Tektronix DF2 User manual

Tektronix, Inc .
P .O . Box500
Beaverton, Oregon

97077

Serial Number

------ -_ .__
._
070-2478-00

First Printing JAN 1978
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TI N MANUAL

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Page
LIST OF ILLUSTRATIONS ....... . ... . . . . ....

ii
LIST OF TABLES ......... . . . .... . . . . ......
iii
SAFETY INFORMATION . . . . ...... .......... iv
SECTION 1

GENERAL INFORMATION
SECTION
2

OPERATING INSTRUCTIONS
Front Panel Controls
. . . . . . .......
2-1
Internal . . . . . . .
............. 2-1
External . ..... .............
2-1
Basic Operating Instructions ........
2-4
Power-On-Mode . .
............
2-4
Display Modes
............... 2-4
Timing Diagram Displays ..... . 2-4
Map Displays ..............
2-4
State Table Displays ......... .
2-4
Menu Displays ............
. 2-8
Size and Position Adjustment ...
2-8
Error Message Displays ..... . . .
2-8
Basic Functional Check ........ ...
2-9
Setup Procedure ........... . . .
2-9
Timing Diagram Displays ..... ...
2-9
Map Displays ........... . . . . . 2-9
State Table Displays ........... .2-10
Front Panel Adjustments ...... .
.2-11
Irregular Operating Symptoms .... . . .2-12
SECTION 3

DETAILEDOPERATING
INSTRUCTIONS
FOR GPIB
Introduction
. . . . .... ... . .......
1-1
Glossary of Terms .... ........... 1-1
Installation . . . . . . ... . . . ........ 1-2
Packaging for Shipment . . ......... 1-2
Specifications ..... . . ...........

1-4
Standard Accessories . . .......... .
1-6
GPIB Overview ............ .
....
3-1
General ........... . ... . . . . . 3-1
Mechanical Elements .... . . ... . . 3-1
Electrical Elements ..... . . . . . . . 3-1
Functional Elements ...... . . . . . 3-2
GPIB Line Definitions ..
... ... 3-2
ATN (Attention) Messages . . . . .
3-4
Interface Functions .... .
. . . . . 3-4
Setup Procedure for GPIB
Operation
. . . 3-5
Full Display/First Trigger Selector
of 7D01
Logic Analyzer . . . . . . . . 3-5
GPIB
Adapter
.......
. .. .
. . ... 3-5
Installation of
GPIB Adapter . . . . 3-8
7D01 Front Panel ...... .. . . . . . 3-8
GPIB Acquisition and Display ... . ... 3-8
General
...........
. . . . ..... 3-8
Menu Display
.......
. . ..
.
. ...
3-8
ntent
D F2
Page
SECTION 3

DETAILED OPERATING INSTRUCTIONS
FOR GPIB (cont .)
GPIB
Display ................
3-8
GPIB Crt Display
............
3-10
Control Lines (Channels 4-7) . .3-10
Data Bus Lines (Channels8-15)3-10
Device Dependent Messages ... 3-13
User Definable Lines
(Channels 0-3) ...........
3-13
Secondary Functions of Display
Push Buttons

.............
3-15
GPIB Triggering

................
3-15
General Description and Features ... 3-15
ATN (Attention) Message Triggering .3-16
Triggering
on
Any ATN Message . .3-16
Triggering on
Any ATN Message
Group ..................
3-16
Triggering on A Specific ATN
Message
.................
3-18
NON-ATN
Message
Triggering .... .3-20
Triggering on
Any NON-ATN
Message ..... . . . . . . . . . . .
.3-20
Triggering on
A Specific NON-ATN
Message . . . ... ... . . . . . . .
.3-20
Control Line Triggering .... . . . . .
3-20
GPIB Timing

........
. . . ..... . . 3-21
Correct Handshake

. . .... . . . ... 3-21
Asynchronous Triggering ..... . . . 3-21
Time Measurements ...... . . . ... 3-23
Error Message Display

..... . . . . ...
3-27
Requires 16 Channel Mode . . . . . . .
3-27
Irregular Operating Symptoms
for GPIB 3-28
GPIB Applications ........ . . . . ... 3-29
Procedure

. ...... . . ... ..... . 3-29
Possible Causes ....
..... . ... . . 3-29
GPIB Functional Check ..... . ... . . 3-30
SECTION
4

DETAILED OPERATING INSTRUCTIONS
FOR ASCII
ASCII Acquisition and Display ..... . .
4-1
General ... . ... . . .......... .
4-1
Menu Display . . . .............
4-1
ASCII Display . . . . . . . .........
4-1
ASCII Crt Display ...........
4-1
Secondary Functions of Display
Push Buttons .............
4-6
ASCII Triggering ................
4-8
8 Channel ASCII Triggering .......
4-8
16 Channel ASCII Triggering ..... .
4-8
Trigger Word ............. .
4-9
Negative Logic ASCII
Triggering
... .
4-10
Error Message Display

........... .
4-10
Requires 8 or 16 Channel
Mode
... .
4-10
Irregular Operating Symptoms
for ASCI I....................
4-11
ASCII Functional Check ........... 4-12

DF2
THE
REMAINING PORTION OF THIS TABLE OFCONTENTS
LISTS THESE RVICING INSTRUCTIONS . THESE SERVICING
INSTRUCTIONS ARE FORUSEBY QUALIFIED PERSONNEL
ONLY .
T O AVOID ELECTRICAL SHOCK, DO NOT PERFORM
ANY
SERVICING OTHER THAN THAT CALLED OUT IN THE
OPERATING
INSTRUCTIONS UNLESS QUALIFIED TODO SO .
SECTION 5

THEORY
OF OPERATION
SECTION
6
SECTION
7
Page
Front Panel .... . . . . . .......... 5-1
Data Acquisition . . . . . . . ......... 5-1
SECTION 8
SECTION
9

REPLACEABLE
ELECTRICAL PARTS
SECTION 10 DIAGRAMS AND
CIRCUIT BOARD
ILLUSTRATIONS
SECTION 11 REPLACEABLE
MECHANICAL PARTS
CHANGE
INFORMATION
Lit f Illustration
Page
Figure
shooting
the DF Display Formatter ... 6-5
MPU,
Program, and Data Storage ..... 5-2
Vert and Horiz Display
Output ...... 5-2
Character Memory and Generator
..... 5-3
No .
Frontis-
Page
Display Control and Z-Axis
. . . . . . ... 5-3 piece
DF2
Features
...................
v
Display ............. . . . . .
. ...
5-4
1-1 Attaching the DF
to the
7D01 ....... 1-3
ROM Extension ........... ..
. . .
5-4
1-2 DF Dimensional Drawing .......... 1-5
2-1 Location
of the
Readout Source
MAINTENANCE
Multi-pin Jumper ............... 2-1
Preventive Maintenance . . . . . . . . .. .
6-1
2-2
Front Panel Controls, Connectors,
Cleaning
.............. . . . . . 6-1 and Indicators ................. 2-2
Visual Inspection ......... .
. . . .
6-1 2-2
(cont) Front Panel Controls, Connectors,
Semiconductor Checks .....
. . ... 6-1 and Indicators ................. 2-3
Troubleshooting ............. . . .
6-2 2-3 Typical DF Display Modes ......... 2-5
Troubleshooting Aids
........... 6-2 2-4 Typical Map Display Usage ......... 2-6
Troubleshooting Equipment ...... 6-2 2-5
Typical State-Table Display Showing
Troubleshooting Techniques ..... . 6-3
Offset Between 7D01 and Reference
Troubleshooting With the System
State Tables .................. 2-7
Text Fixture .............. 6-4
3-1 GPIB Connector ................ 3-2
Corrective Maintenance ...........
6-14 3-2 General Purpose Interface Bus Structure 3-3
Obtaining Replacement Parts
...... 6-14 3-3 Location of 7D01 Full Display/First
Soldering Techniques
........... 6-14
Trigger Selector
................ 3-6
Component Removal
and
3-4 GPIB
Adapter .................. 3-7
Replacement . . . .
. ........... 6-15
3-5 GPIB Operational Mode Display
......
3-9
Circuit Boards . .............
6-15
3-6 Changing 'Trigger Word Readout in
Push Button Switches
......... 6-18
GPIB Operation ................ 3-10
Semiconductors
... ......... 6-19
3-7 Typical DF GPIB Display Showing Dis-
Interconnecting Pins
......... 6-19
assembled Instructions in IEEE
Adjustment After Repair . . . .......
6-20
Standard 488-1975 Message Mnemonics .3-11
PERFORMANCE CHECK AND
3-8 Hex and Binary
to Mnemonic Message
ADJUSTMENT ConversionTable ...............
3-12
Preliminary
Information . . . . . . ..... 7-1
3-9 Hex and Binary
to ASCII
Adjustment Interval ... . . . . . . ...
7-1
Conversion
'fable . . ............. 3-14
Tektronix Field Service
... ... ... 7-1
3-10 GPIB
Handshake Timing Diagram ..... 3-22
Performance Check . . . . . . . . . . . .
7-1
3-11 GPIB
Handshake and ATN With
Adjustment Procedure ....... . . . 7-1
Associated State Diagrams . . ....... 3-24
Partial Procedure ........... .. . 7-1
3-11 (cont) GPIB
Handshake and ATN With
- rest Equipment Required ..... . . . 7-2
Associated State Diagrams . . . . . . . . . 3-25
Index to Performance Check and
4-1
ASCII Operational Mode Display
.....
4-2
Adjustment ............. . . . 7-3
4-2
ASCII State Table Displays of Hex,
Preliminary Procedure .......... 7-3
Performance Check Procedure ..... 7-4
Octal, and Binary Values . . .. .
. . . . .
4-3
Adjustment Procedure .......... 7-8 4-3
Changing Display Mode in ASCII
Operation . . . . . . . . . . . . . . . . . . . 4-4
INSTRUMENT OPTIONS
4-4 Hex
and Binary to ASCII Conversion . . 4-5
4-5 Octal
to
ASCII
Conversion . ..... . . . 4-6
6-1 Test Equipment
Setup for Trouble-

Figure

Figure
No .

Page No .
6-2

Partial View of ROM Extension Board .

10-8
Shows Pin Location and Indexing
for Connection to the Interface

10-9
Test Fixture ......... . . . . .... . 6-5
6-3

Location of Readout Source Multi-

10-11
pin Jumper . . . ..... . . . . . . ..... 6-9
6-4

Circuit Board Locations . . . . ... ... .6-16
6-5

Locations of Securing Screws on

10-12
the Front Sub-Panel .... . . . . . . . . .6-17
6-6

Locations of Securing Screws on A2
Button Lights
Circuit Board . . . . ... .6-17

10-13
6-7

Locations of Hex Securing Spacers and
Wiring to be Disconnected on A1

10-14
Formatter Keyboard Circuit Board . . .6-18
6-8

Locations of Securing Screws on A3
Intelligence Circuit Board and A5
ROM Extender Circuit Board ... . . . .6-18
6-9

Locations of Securing Screws and
HardwareMounting Screws on A4
Acquisition Circuit Board ........
6-19
6-10

Exploded View of Circuit Board Pin
and Ferrule ................
7-1

Location of 7D01 Full Display/First
Trigger Jumper .............
7-2

Test Setup for Performance Check
anAdjustment Procedure ........
7-3

Hexadecimal State Table Display . .
7-4

Reset Out Check Test Setup . . . . .
The illustrations in Section
10
are located near their
associated diagrams on
the
foldout pages .
10-1

Semiconductor lead configurations .
10-2

Circuit board locations .
10-3

A1-Formatter Keyboard circuit board
locations as viewed from front of
instrument
10-4

A2

Button Lights circuit board component
locations as viewed from the component
side of the board .
10-5

A4--Acquisition
circuit board
component
locations .
10-6

A3--Intelligence circuit board component
locations .
10-7

Partial A4-Acquisition circuit board .
Component locations as viewed from
component side of the
board .
Table
3-2
4-1
4-2
5-1
5-2
6-1
6-2
6-3
6-4
6-5
6-6
6-7
7-1
7-2
List
DF2
Page
A4---Acquisition circuit board
component
locations .
A3--Intelligence circuit board component
locations .
Partial A3- Intelligence
circuit
board .
Component locations
as viewed from the
component side of the
board .
Partial A4--Acquisition circuit
board .
Component locations
as viewed with board
installed .
Partial
A3-Intelligence circuit board
component locations
.
A2--Button Lights circuit
board component
locations, as viewed
from component side
of the board .
Minimum Clock
Pulses Required to
Display Data . . . . . . . . . . ... . .....
3-5
Irregular Operating
Symptoms for GPIB 3-28
Secondary Functions of Display
Push Buttons . . . . . . . ..... .... . 4-7
Irregular Operating Symptoms for
ASCII . ..... ., . . . . . . . . .  . .
.4-11
Data Acquisition
Address Decoder . . . . 5-1
Extended ROM
Decoder . . . ........ 5-4
Error Messages and Responses
. ...... 6-2
Hex to Binary Conversion ....... . . .
6-6
ROM Hexadecimal
Output Program ... 6-7
Keyboard Circuit
Checkout Procedure . . 6-7
Manual Clock Pulses Required
to Control
Button Lights .................
6-8
Formatter Readout
TruthTable ..... .6-10
Mainframe
Readout Truth Table ..... 6-10
Performance
Check Description ...... 7-1
Test
Equipment ................ 7-3
. .
. .
d
.6-20
.
7-4
No .
1-1
1-2
1-3
Electrical Characteristics
...... .
Environmental Characteristics
Physical Characteristics ........
. .
.......
. .
Page
. .
1-4
1-5
. . 1-5
. . . 7-5
2-1 Irregular
Operating Symptoms ...... .2-12
. . .
7-6
2-1 (cont) Irregular
Operating Symptoms ...... .2-13
. . .
7-7
2-1 (cont) Irregular
Operating Symptoms ...... .2-14

GEN RAL
Y IN
The following general safety information applies to all
operator and service personnel . Specific warnings
will be
found throughout the manual where
they apply and
should be followed in each instance .
WARNING statements identify conditions or practices
which
could result in personal injury or loss of life .
CAUTION statements identify conditions or practices
which could result in damage to the equipment or other
property .
The
word DANGER on the equipment identifies areas
of immediate hazard which
could result in personal injury
or loss of life .
NOTES identify a procedure, condition, statement,
etc ., which
may be essential for better understanding .
The following safety
symbols may appearon the
equipment .
GROUNDING
CAUTION-----Refer
to manual
DANGER--Nigh voltage
Protective ground (earth) terminal
Chassis ground
To avoid electric shock, plug in the power cord with its
grounding (earth) conductor before connecting to the
instrument input or output terminals .
Do not defeat the grounding connections .
USE THEPROPER POWER CORD
To avoid electric shock and fire hazard, use only the
power cord and connector specified for your instrument .
Use
only
a power cord in good condition
.
For detailed information on power connectors, see
appropriate (operators, servicing) instructions .
US THE PROPER FUSS
To avoid electric shock and
fire
hazard, use
only fuses
specified in parts list for your instrument, and identical in
the following respects :
A . Type : Slow blow, fast blow, etc .
B .
Voltage rating : 250 V, etc .
C
.
Current rating
Fuse replacement
procedures,
that require qualified
service personnel to perform, are described in theService
portion of the appropriate manual .
Disconnect the power input before replacing the fuse .
DO
NOT OPERATE IN
EXPLOSIVE
ATMOSPH
NOT S
DF 2
To avoid explosion, do notoperate this instrument in an
explosive atmosphere unless it has been certified forsuch
operation .
O NOTREMOVE COVERS OR PANELS
To avoid personal injury, do notoperate the instrument
without covers or panels installed . Do not perform any
servicing other than that contained in operating instruc-
tions unless you are qualified to doso .
RVICE ALONE
Do not attempt internal service or adjustment unless
another person
capable of
rendering first
aid
and
resuscitation is present .

DF2
Instruction
DF2FEATURES
2478-15
The DF Display Formatter provides data-domain display modes in addition to the existing time-domain display of the 71301 Logic
Analyzer .
It adds state table displays with a comparison mode, a map display and other operational modes as assigned to the Menu List . The DF attaches
to the left side of the 71301, forming a three-wide plug-in assembly . This assembly operates in a 7000-series oscilloscope mainframe to comprise
a complete 16-channel logic timing-state analyzer system .
A microprocessor controlled memory system, contained in the DF, is capable of recording two 71301 information records . Portions of both
information records may be displayed concurrently in a state table presentation .
State tables are displayed in terms
of
either hexadecimal, octal, or binary formats . Thisdata may be displayed in up to two tables of 17
lines
of
16-bit words each
.
The left-hand table displays data currently stored
in the 71301 memory (71301 display) . The right-hand table displays data
that has been transferred from previous 71301 displays to the DF memory (reference display)
.
The DF compares the 2 tables and resets the
71301 when the
71301 data
equals the reference
data
.
The
map
function plots a dot display of the
16 data channels
in X-Y coordinate points . Each dot location represents one possible combination
of
up
to 16
inputs to the 71301
.

The Instruction
Manual contains eleven sections . Operating
information is
covered in the first four sections ; servicing
information
is covered in the remaining seven sections .
Schematic diagrams are located
at the rear of the manual
and can be unfolded
for reference while reading other parts
of
the
manual . The reference designators and symbols used
on the schematic
diagrams are defined on the first page of
the Diagrams and Circuit
Board Illustrations section .
Abbreviations used in the
manuals, except in the parts list
and schematic diagrams,
comply with the American
National Standards Institute
Y1 .1-1972 publication . The
parts list
is
a computer
printout and uses computer-supplied
abbreviations
.
Throughout this manual the DF2 Display Formatter will
be referred to as the "DF ."
The following
logic
terms are used throughout this manual .
Asynchronous Mode-The data is acquired by the 71301
using its internal clock at a rate selected by its sample
interval control
.
Bit-The smallest increment of digital information .
Blanked Columns--The columns eliminated from the
memory by the COLUMN BLANK function .
Compare-A check between the 71301 memory and the
reference memory for equality (a microprocessor function .)
Data---This
is
informationacquired by the 71301 . Up to 16
channels of data may be acquired, and each data bit is one
clock period in the synchronous mode .
Data Record--All of the information stored in the 71301
memory or the DF memory . (A Data Record has 4096
bits of information .)
DataWord--This is Good Data that may be formatted in
any of three different ways :
U
TI N
GLOSSARY

F T
1 . A vertical slice of the Timing Diagram display .
2 . A coordinate point of the Map display .
3 . A horizontal line of characters in a State Table
display .
IN
NOTE
Channel 0 is the
top-most channel displayed in
TIMING
DIAGRAM format and is always
considered the least significant bit .
Don't Care Data--Invalid Data
that is excludedfrom
comparison in all comparison modes .
End Data---Data that fills out the last portion of a
table
when valid data ends before completion of the
table . This
is indicated by an "*" in the display .
Good Data--All data
which
is
not Invalid Data .
Section 1---DF2
Indeterminate Data--This is valid data but is considered
invalid because its location cannot be defined . This data is
indicated by an "X" in the display and occurs during sweep
retrace in Timing Diagram . The number of Indeterminate
Data bits for each position of the 71301 bits/channel switch
are : Two bits (254 bits/channel position), four bits (508
bits/channel position), and eight bits (1016 bits/channel
position) .
Invalid
Data--This
term describes a combination of Indeter-
minate Data, Old Data
(if any),
and
End
Data
.
New Data--The most recent acquisition of Good Data into
the 71301
.
Old Data--Data which was part of a previous Data Record
in the 71301
memory
but
is
out
of sequence . This
is
caused
by the arrival of the trigger before the
New Data has
completely filled the memory . Old Data is
indicated by
an
"X" in the display .
Reference State Table--A display of DFmemory
data
transferred from a previous 71301 display and displayed on
the right half of the crt .
Synchronous Mode--The data is acquired
by the 71301
using an externally supplied clock signal (71301 sample
interval switch set to external, and with the
external clock
signal connected to the clock input of the channel 0-7
Data Acquisition Probe) .
TABLE-This term refers only to the 17 lines
of data dis-
played on the left or right sides of the crt
an anyone time .
"TABLES-" refers to only the displayed data contained
in the two tables and should not be confused with the
total memory capacity .
Word-See Data Word .

General
Information-DF 2
IN ST LLATI N
NOTE
The DF
Display Formatter attaches to the left side
of the
7D01 Logic Analyzer to make a three-wide plug-in system .
Thetwo units latch together to provide a rigid
instrument
that plugs into a 7000-series mainframe .
Refer to Figure 1-1
to attach the DF to the 7D01
.
To preventinstrument
damage, plug-in units
shouldnot be installed
or removed without first
turning off the mainframe
power .
To install the DF/7D01, first turn
off the
power to
the
oscilloscope mainframe . Then, gently push the 2 plug-in
units into the
appropriate plug-in compartments until they
fit firmly . The front panels of the
DF/7D01 should
be
flush with the front panel of the oscilloscope
mainframe .
When installed in a four-compartment main-
frame, the DF%7D01 occupies the left vertical,
right
vertical, and A horizontal compartments
only
.
The oscilloscope mainframe vertical
mode
switch must be set to right and the horizontal
mode switch must be set to A .
To remove the
DF/7D01, pull the release latch (located
on the
lower left corner of the 7D01) to disengage the
DF/7D01 from the mainframe . Then, gently slide the
plug-in units from the mainframe .
A KA IN F

NI

N
If this instrument
is to be shipped for long distances by
commercial transportation,
it is recommended that the
instrument be packaged in
the original manner for maxi-
mum protection . The carton
and packaging material in
which your instrument
was shipped should be saved and
used for this purpose .
Also, if this
instrument is to be shipped to a Tektronix
Service
Center for service or repair, attach a tag to the
instrument
showing the following : Owner of the
instrument
(with
address), the name of an individual at your firm that
can
be contacted, complete instrument type and serial
number,
and a description of the service required
.
If the original packaging
is unfit for use or not available,
package the instrument
as follows :
1 . Obtain a carton of corrugated
cardboard with at least a
200-pound test strength and at least
6 inches larger than the
instrument dimensions to allow
for cushioning .
2 . Surround the
instrument with polyethylene sheeting to
protect the instrument
.
3 . Allow a 3-inch
cushion on all sides by tightly . packing
dunnage or urethane
foam between the carton and the
instrument .
4 . Seal the carton
with shipping tape or with an industrial
stapler .
5 . Mark the address
of the Tektronix Service Center and
your return address
on the carton in one or more locations
.

Slide
the movable latch on the top of the DF
forward
until it stops .
Continue
to slide the DF forward
until the jack at
the top rear
of the OF lines up with its
mating plug
on
the 71301 .
DF/71301
INSTALLATION
02
Figure
1-1 . Attaching the OF to the 71301 .
r -, l
General Information-131`2
Tilt the DF
and 71301 slightly and
place the bottom
two latches on the
D F into the bottom
two slots on
the 71301 . Gently
slide the OF forward
to just
engage the bottom
latches with the bottom
track on
the 71301 .
Gently press the
units together until the
connector
is properly mated and
the movable latch is
inserted
into the rail slot on
the 71301 .
Make sure the movable latch fits into the 71301 rail
groove and slide the movable latch toward the rear
along the rail groove until it stops . The OF and
71301
should now be latched together to form a
rigid
three-wide plug-in system .
(2150-10)2478-42 l

General Information-DF2
The electrical
specifications listed in Table 1-1 apply for the DF/7D01 system under the following conditions : (1) the
instrument must havebeen
adjusted at an ambient temperature between +20
° and +30 ° C (+68 ° to +86 ° F), (2) the instru-
ment must be operating
in an ambient temperature between 0 ° and +40
° C (+32 ° and +104 °
F),
and (3) the instrument
must have been operating for
at least 20 minutes .
External
Read Clock
Frequency Range
Duty Cycle
Display
Vertical Size
Output Signals
Reset Logic
Voltage Level
SPECIFICATIONS
TABLE 1-1
Electrical Characteristics
Performance Requirement
50% within 5% .
Adjustable from
6 .9
div
or less to at least 8 .1 div from the
top of the first line of DF readout to the bottom of the
last line of
DF readout .
Adjustable to vertical
center of display area in any cali-
brated 7000-series mainframe .
LO : +0 .4 V or less at 2 mA .
H I: at least +2 .4 V at 2 mA .
Adjustable
to horizontal center of display area in any
calibrated 7000-series mainframe .
Positive-going
rectangular pulse .
100 ps within 50 its when used with
the 7D01 internal
read clock .

Temperature
Calibration
Operating
Storage
Altitude
Operating
Storage
Transportation
3
.110"
(7 .9 cm)
Characteristic
TABLE 1-2
Environmental Characteristics
Performance
Requirement
2 .800"
(7 .1 cm)
General Information--DF2
Physical Characteristics
+20 ° to +30 ° C (+68 ° to +86 °
F) .
0 ° to +40
°
C (+32 ° to +104 ° F) .
TABLE 1-3
-55 ° to +75 ° C (--67 ° to +167 ° F) .
To 15,000
feet .
To 50,000 feet .
Approximately 2 Ibs
(0 .9
kg) .
See Figure 1-2, Dimensional Drawing .
Qualified under National Safe Transit Committee Test
Procedure 1A, Category II .
C
c
Figure 1-2 . DF dimensional drawing
.
12 .730"
(32 .33 cm)
12 .608"
(32.02 cm)
0
(2150-4)247 , 8-171
0
00 0
0 0 0 0
I
0 0 p
5 .000"
(12 .7 cm)
0 0 0 0
0 0 0 0
0 0 0 I

General Information-DF2
STANDARD A
1 ea
. ... ................... . . . . . ....
.GPIB Adapter
1
ea . ... . . . . ..................... . . . Instruction Manual
Refer to the tabbed
Accessories page in the back of this manual for standard accessory
part numbers .

P754 0000
IN
To effectively
use the
DF Display
Formatter, the
capabilities of the DF and the companion 7D01 Logic Analyzer must be
known . This section
briefly describes the operation of the controls and
connectors, provides detailed operating instructions,
and a
functional check procedure for the DF . The General Information section
provides instructions for installation of the
DF
and the 7D01 into a 7000-series oscilloscope mainframe . Refer to the 7D01
Operators or Instruction Manuals for
information on
the 7D01 LogicAnalyzer .
NT L AN CONNECTORS
INTERNAL

EXTERNAL
The Readout Source jumper is located inside the DF
.

The major controls required for
operation of the
DF
are
When using the Timing Diagram display, readout can be

located on the front panel of the unit . Figure 2-2
provides a
produced either by the DF readout system or by the read-

brief description of the front-panel functions . More infor-
out system of the associated oscilloscope mainframe (refer

mation is given under Basic Operating Instructions .
t o Figure 2-1) . We recommend using the DF readout
unless it is important to have the style of characters
produced by the mainframe readout system .
PLACE MULTI-PIN JUMPER ON P752
FOR READOUT FROM THE OSCILLO-
SCOPE MAINFRAME (MFR) .
PLACE MULTI-PIN JUMPER ON P754
FOR READOUT FROM
THE DF1 DISPLAY
FORMATTER (FOR R) .
Section 2---DF2
Figure 2-1 . Location of the Readout Source multi-pin jumper .
2150-3

Operating
Instructions-DF2
Figure
2-2
.
Front-panel controls, connectors, and indicators
.
(2150-1A)2478-18

Timing Diagram Switch-Selects the timing diagram display from the 71301 Logic Analyzer .
MAP (CURSOR SCAN Switches)--Select view of the 71301 memory data in X-Y coordinate points on the oscillo-
scope mainframe crt . The DF automatically sequences the data locations at a FAST or SLOW rate, or data locations
are selected manually with the 71301 Cursor control
.
STATE TABLE Switches-Select tabular display of the cursor word, the 16 words following the cursor word, and
the trigger word . The tabular format can be displayed in HEX
(hexadecimal), OCTAL, or BINARY base-number
systems .
71301 ONLY Switch-Selects the state table from the 71301 memory for display on the left-hand side of the crt .
(Exclusive Or) INTENS REF Switch--Compares state table display from the 71301 memory (left-hand column)
to a reference state table stored by the DF
(right-hand colunn) .
LOGIC Switches-Determine whether the state table displays are in positive or negative logic .
TABLE = Indicator--Lamp turns on when the 71301 state table and the reference state table are equal .
COLUMN BLANK Switches--Provide column blanking for state table displays . The blanked columns are excluded
from the data base for all state table comparison and reset functions .
REF TABLEFOLLOWS 71301 Switch-The
cursor location (trigger-to-cursor difference) in the reference state table
(right-hand column) follows
the cursor location in the 71301 state table (left-hand column)
.
REF TABLE HELD Switch-Locks the
cursor location
in
the reference state table which allows the cursor location
in the 71301 reference state table to be moved independently .
REF TABLE FOLLOWS W/OFFSET Switch-Maintains the cursor location offset, between the 71301 and reference
state tables, that was established in the REF TABLE HELD mode .
SEARCH Switch-The 71301 memory is
searched
for
a match of the cursor word (first word)
in
the reference
state
table .
RESET IF 71301 = REF Switch-The 71301 memory is reset when the 71301 memory equals the
DF
reference
memory .
RESET I F TABLES = Switch-The 71301 memory is reset when the 71301 state table display equals the reference
state table
display .
STORE 7D01°

REF
Switch-Transfers the 71301 memory into theDF reference
memory .
INTENS CONTRAST
Adjustment-Controls brightness of the intensified characters of the DF display .
HORIZPOSN Adjustment-Controls
horizontal position of the OF display .
VERT SIZE Adjustment-Varies
vertical size of the OF display .
VERT° POSN Adjustment-Controls
vertical position of the OF display .
RESET OUT Connector-Pin-jack connector
provides a
HIGH
TTL level output when the 71301 memory is reset by
00

the DF .
Ground Connector (°L°')-Pin-jack connector provides a ground return for
the RESET" OUT gate .
MENU Switch-Selects the Menu List
display .

(2150-1 B)2478-43
Operating Instructions-DF2
Figure 2-2 . Front-panel controls, connectors, and indicators (continued) .

Operating Instructions---DF2
POW
Timing Diagram Displays
ON-MOD
When power is applied to the oscilloscope mainframe
(Power-On mode), the
DF
reference memory and the
memory which acquires data from the 7D01 are checked
for proper operation of the random access memory (RAM)
integrated circuits (refer to Error Message Displays in this
section) . Then, the 7D01 is reset and the DF reference
memory and the 7D01 memory are cleared . The Display
Mode is automatically set to Timing Diagram, the LOGIC
is set to POS, and the cursor location (trigger-to-cursor
readout)
is set to +0 .
All
other OF push-button selections
are cancelled .
DISPLAY MODES
The DF
displays digital data in 3 Display Modes
:
Timing
Diagram, Map, and State Table . Figure 2-3 shows the
controls required to activate typical DF displays
.
The front-panel TIMING DIAGRAM push button selects
the Timing Diagram display (4, 8, or 16 channels) from the
companion
7D01 Logic Analyzer (see Fig . 2-3) . The cursor
function of the 7D01 provides an intensified zone on the
data display and a corresponding numerical readout display
shows the logic state for each displayed channel of data .
The position of the cursor, relative to the trigger, is also
displayed on the crt readout . Refer to the 7D01 manual for
more information on the 7D01 Logic Analyzer .
The source of the display readout can be from the oscillo-
scope mainframe readout system (MFR)
or the DF
(FOR R) . (Refer to Internal Controls and Connectors, in
this section, for more information .) When the Timing
Diagram Display Mode is selected (Readout Source jumper
set to Formatter Readout) after either the HEX, OCTAL,
or BINARY State Table function has been displayed, the
cursor word readout
is displayed in the same base-number
system as displayed previously in the State Table
Display
Mode . Then, the cursor word readout changes between
binary and the base-number system in the previously
selected State Table Display Mode, with every other push
of the TIMING DIAGRAM push button . However, if the
Readout Source jumper is set for mainframe readout
(MFR), cursor
word readout is displayed only in the binary
system .
INSTRUCTION
Map Displays
The Map function provides a view of the 7D01 memory
displayed as x-y coordinate dots on the crt . The vertical
axis represents the most significant half of the data word
and the horizontal axis represents the least significant half
(see Figure 2-3) .
The map display can be formatted from 4, 8, or 16
channels of input data . Therefore, 4- and 8-channel map
displays are
plotted
over
the entire crt display area in the
same manner
as a
16-channel
display . A 16-channel display
is capable of 64,000 coordinate points, an 8-channel display
is capable of 256 coordinate points, and a 4-channel display
is capable of 16 coordinate points .
A map cursor, indicated by a plus symbol (-
E),
sequences
automatically through the data locations in the order in
which the data was loaded into memory . The cursor scans
at a FAST or SLOW rate, as determined by the CURSOR
SCAN push buttons . When either the FAST or SLOW push
button is held in, the cursor scan is stopped near a desired
location on the display and can be positioned to the exact
location with the 7D01 cursor position controls . Also,
when the MANUAL CURSOR SCAN push button is
pressed, the 7D01 cursor position controls are used to
manually position the cursor to the exact position desired .
The readout display shows the logic state of the cursor
word (bottom of crt), and the position
of
the cursor
point,
relative to the trigger point,
is
displayed
at
the top of the
crt .
The map display
is particularly useful
for
a fast overall
check of digital systems . First of all, the map display
pattern
for a particular set of digital inputs must be known .
Then, if there is a change in any one
of the input signals,
the map display pattern will change . A different map
display pattern indicates that the circuits are not operating
in the normal manner . Figure 2-4 illustrates
a
map display
pattern from 16 signal inputs and shows that the map
display pattern changes when input signals are removed .
State Table Displays
The State Table function enables the data, recorded in the
7D01, to be displayed in a tabular format . The cursor word,
the sixteen wordswhich follow, and the trigger word are

TRIGGER TO
CURSOR READOUT
IN SAMPLE INTERVALS
INTENSIFIED DOTS
DENOTE TRIGGER
POINT (7DO1 POST
TRIG POSITION)
TRIGGER-TO-
CURSOR
READOUT X7001
IN SAMPLE
INTERVALS
LOGICSTATE FOR
EACH
CHANNEL OF-
DISPLAYED DATA
ATCURSOR POINT
TRIGGER-TO-
CURSOR READOUT
IN SAMPLE
INTERVALS
INTENSIFIED
BIT DENOTES
DIFFERENCE
IN STATE
TABLE
DISPLAYS
11011001
1001 1011

G4-
LOGIC STATE FOR

I

CHANNEL 15
EACH CHANNEL OF
DISPLAYED DATA
AT CURSOR
POINT
CHANNEL 15

CHANNEL O
6101
01100110
l01o
1101 011001101011
0011 01100110 1100
:011 01100110 1101
0111 711001101130
1111 o11oollo 1111
0000111001i1,
.30
1! 10011!
~-'ll
1110011100112 - ' ?10
li 1110011! -'=T31
uulu iiiu0111u100
1010 111001110101
0110 1110 alit 0110
1110 1110 011 .1 alit
13001
11100111
Woo
1001 111013111 too1
7DO1 REFERENCE
STATE TABLE ---STATE TABLE
DISPLAY DISPLAY
0110011001100110
it1001100110OL11
0001011oollo
11100
100101100110
1001
0101
01100110 1 :130
110101
100110 1 311
0011
01100110 1100
!01101100110110 :
0111 01100110 1110
till 01100110tilt
OOUE3 l 1 i O O l11 u , 10o
1000
111O011101301
01001110011101310
11001110011101311
0010 11300111 0100
1010 1110011 1 01n1
Figure
2-3
. Typical DF Display Modes .
INTENSIFIED DOTS
a
DENOTECURSOR
POINT
STATE
TABLE
Operating Instructions--DF2
ELECT
RIGHT VLRT MOO :
E-----CURSOR SCAN
,AS, SLOW
MANUAL
(CURSOR

CTS
FIRST WORD',
HEXOCTAL BINARY
MENU
U Y om .
1ARLES=
-- . . .-_THE TABLE-- -
iouaws Eouows
mm

OIL .

FS URSFT

S1ARCx
7L1 °U 9U, IOU
-_RESET IE-----,
- .
L- --
VPNT--- ,

OURiI

IRTH1S
1, IT

POSN

POSH

CONTRAST
STORE
7DOI-REF
REST
DF2
DISPLAY
FORMATTER
TEXTRONIXU

T-
-R
(2150-5)2478-19
2-
5

Operating Instructions-DF2
displayed . If
the trigger word is displayed in the first 17

words are
displayed, the remainder of the
display is filled
words of the state table, it is indicated
by a blinking

with an asterisk (*)
character . Any "old data"
from the
condition . The position of the cursor,
relative to the trigger,

71301 memory is indicated
by an "X" character .
i s also displayed on the crt readout (see
Figure 2-3) .
Each time
the 71301 cursor position
is changed or the 71301
is reset, the
display is updated . If the
data ends before 17
2- 6
KNOWN MAP
PATTERN
MAP PATTERN
WITH
CHANNEL 5
INPUT
DISCONNECTED
(CHANNELS
0-7
CONTROL
HORIZONTAL
AXIS OF MAP
DISPLAY) .
MAPPATTERN
WITH CHANNEL
12
INPUT
DISCONNECTED
(CHANNELS 8-15
CONTROL
VERTICAL
AXIS OF
MAP
DISPLAY) .
.7001 TRIG . - .7

.
DID*1810 Dies
0010

CUR
CHANNELCHANNEL
7

0
Three push button
switches select State Table displays
in
HEX (hexidecimal, base
16), OCTAL (base 8), or BINARY
(base 2) codes
.
The
digits are grouped in threes
or fours
depending upon the
setting of the 71301 cursor
byte switch .
The ten Display
push buttons are
functional in STATE
l - ABLE
formatonly . When the HEX,
OCTAL, or
BINARY
push buttons are depressed
the function of
all ten
DISPLAY push buttons
corresponds to the
functional
name positioned
above each button . When
the MENU
push button is depressed
the function
of each push
button changes
to the number positioned
to the left
of each button . These
numbers correspond
to the numbers
in the MENU list
display .
71301
ONLY . The State Table display from the 71301
is
displayed on the left side of the crt . The m INTENS REF
displays are not functional in the 71301 ONLY
mode
.
71301
®
INTENS REF . Two state tables are displayed
simultaneously on the crt . The state table from the 71301
is
displayed
on the left half of the crt and a reference state
table
is displayed on the right half of the crt (see Figure
2-3) . When the 71301 ® INTENS REF is initially selected,
the STORE
7D01°

REF push button must be pressed to
load the reference
memory . Any differences between the
71301 and reference state
tables are indicated by intensified
bits at the appropriate location
in the 71301 state table .
Any differences in the state
tables due to old data, indeter-
minate data, end data, or blanked
columns, is interpreted as
"don't care" conditions and are not intensified in
the 71301
state table (refer to the Glossary in the General
Information
section) . If there are no differences between
state tables,
the
TABLES= indicator is illuminated .
REF
TABLE FOLLOWS 71301 . The
FOLLOWS 71301
mode
is functional only when operating in the 71301
INTENS REF mode . The cursor location
(trigger-to-cursor
readout) in the reference state table
is aligned with the
cursor location of the 71301
state table . As the 71301
location is changed (by means of the 71301 cursor
position
or data
position controls), the cursor
location of the
reference state table follows .
CHANNEL

CHANNEL

REF TABLE HELD . °rhe HELD
mode is functional only
15

82150-6

when operating in the 71301 o
INTENS REF mode . The
reference table cursor location remains
at one setting,
allowing the cursor location in the 71301
state table to be
Figure
2-a
. Typical
map display usage .

moved independently (offset) . Refer
to Figure 2-5 .

CURSOR_
WORD
-Itoo00toolooo01t
oo 0010 0100
0100
1000oat00IGO0101
0100 0010010,00t10
1100ootooI000111
0001 0010 01002690
too 100to01001 1
0101 001001001010
1101 0010at001asI
COOL 0010010011
2001 0010 OI oo
1101
0101 001001001210
1101 OOt001001111
coca 10200101
1000 10100101 ow1
0100 1010010&0010
I IGO 1010 01010011
1101 0100 0010 lilt
REFTABLE FOLLOWS WITH/OFFSET
. The FOLLOWS
WITH/OFFSET mode is functional
only when operating in
the 71301 ®
INTENS REF mode . The
difference in cursor
location (offset) between the 71301
state table and the
reference state table, is maintained
at the time the
FOLLOWS W/OFFSET
push button is pressed (see
Figure 2-5) . The offset between the 71301
and reference
state tables remains
constant as the 71301 cursor is moved .
To delete the trigger-to-cursor
offset, select REF TABLE
FOLLOWS 71301 .
SEARCH . The
SEARCH mode is functional when
operating in the 71301
® INTENS REF mode . When the
SEARCH push button is
pressed, the 71301 memory is
searched for a match of the reference cursor
word . When a
match of the reference cursor
word is found, the REF
TABLE mode is automatically
set to HELD and the match-
ing word is moved to the 71301 cursor
word position (first
word) of the 71301 state table .
If a match
for the cursor word is not found in the 71301
memory, the state
table display remains unchanged .
Also, if
the first word in the reference
memory is not valid, or a
comparison is presently being
made in the RESET IF
71301=REF mode, a
search of the 71301 memory is not made .
RESET
IF TABLES= . 'This mode is functional
only when
operating
in the 71301 mINTENS REF
mode . When the
RESET IF
TABLES= push button is pressed,
the 71301
TRIGGER-TO-CURSOR
READOUTBETWEEN
STATE TABLES IS 2
7001 TRIG

.20

REF TRIG

+18
0100actooloooolo
1 100 0010 0100 001 l .m---
00000010 0100 O t 0o
10000010 0100
0101
0100 0010 01000110
1100 001001000111
1001001001000
100, 00100,00 toot
clot 001001001020
1102 oot001001011
00010010 O l o0 1 100
10010010
01001101
0101 00100100 1t10
l101 0010
0100 lilt
oom lol0010t0000
1000
1010 0 t O 1 0001
I lot
0100001o 1112
Operating
Instructions---DF2
CURSOR WORD FROM
71301 STATETABLE
WITHOFFSET OF 2
(CORRESPONDS WITH
TRIGGER TO CURSOR
DIFFERENCE OF
2)
Figure 2-5 . Typical
state-table display showing offset between the 71301
and reference state tables .
2150-8
resets and compares
the data in the 71301 state table to the
data in the reference
state table . If there are no differences,
the 71301
resets, acquires new data, and repeats the compar-
ison . The
number of resets is displayed on the crt readout .
If there are
differences, the acquisition, compare, and reset
cycle stops
. The differences between state-table displays are
intensified in
the 71301 state table . To cancel the RESET
IF
TABLES= function, a second push of the RESET IF
TABLES= push button is required .
RESET IF 71301=REF . This mode is functional when
operating in all DF
display modes . When the RESET IF
71301=REF pushbutton is pressed,
the data in the 71301
memory is compared to the data in
the reference memory .
If
there are no differences, the 71301 resets,
acquires new
data, and repeats the comparison . The
number of resets is
displayed on the crt readout . If there are
differences, the
acquisition, compare, and reset cycle stops
.
The
cursor
word is
moved to the first difference and the RESET IF
71301=REF function
iscanceled .The RESET IF 71301=REF
function may also be
canceled with a second push of the
RESET IF 71301=REF
push button .
STORE
71301--REF . This mode is functional
in all DF
display
modes (Timing Diagram, Map, and State Table) .
When the
STORE 71301--- REF push button is engaged, the
71301 memory
is transferred into the DF reference
mem-
ory . When the
trigger-to-cursor readout is the same in both
state table displays,
the 71301 state table is transferred into
the reference state table
with no intensified bits . However,