HP 11869A User manual

1
This manual applies directly to HP Model 11869A RF
Plug-in Adapter having serial number prefix 2227A
With changes described in Section VII, this manual also
applies to instruments with serial number prefixes lower
than 2227A.
For additional information about serial numbers, refer
to INSTRUMENTS COVERED BY MANUAL in
Section I.
©Copyright HEWLETT-PACKARD COMPANY 1983
1400 FOUNTAIN GROVE PARKWAY, SANTA ROSA, CA 95404 U.S.A.
MANUAL PART NO. 11889-90006
Microfiche Part No. 11889-90007
Printed: MARCH 1983

SAFETY CONS!DERATIONS
GENERAL
This product and related documentation must be reviewed for familiarization with safety
markings and instructions before operation. This product has been designed and tested in
accordance with international standards.
SAFETY SYMBOLS
Instruction manual symbol: the product will be marked with this symbol
when it is necessary for the user to refer to the instruction manual (refer to
Table of Contents).
Indicates hazardous voltages.
Indicates earth (ground) terminal.
The WARNING sign denotes a hazard. It calls attention to a procedure,
practice, or the like, which, if not correctly performed could result in
personal injury. Do not proceed beyond a WARNING sign until the
indicated conditions are fully understood and met
The CAUTION sign denotes a hazard. It calls attention to an operating
procedure, practice, or the like, which, if not correctly performed or adhered
to, could result in damage to or destruction of part or all of the product. Do
not proceed beyond a CAUTION sign until the indicated conditions are
fully understood and met
WARNING I
Any servicing, adjustment, maintenance, or repair of this product must be performed only by qualified
personnel.
Adjustments described in this manual may be performed with power supplied to the product while
protective covers are removed. Energy available at many points may, if contacted, result in personal
injury.
A
±
WARNING
CAUTION
SERVICING

BEAR PANEL GABLES
Blue- FREQ REF
White - EXT ALC
Grey- PULSE IN
Violet - FM INPUT
(Factory Installed)
LATCH-HANDLE
(HP 11869-60007)
KIT
■ LU
(HP 11869-60012)
(HP 11869-60015)
^rrar
s>-4 a
(HP 11869-60014)
jr -1
(HP 11869-60013)
OPTION 006
AUX OUT CONNECTOR AND CABLE
(For instruments with rear panel AUX OUTPUT)
Figure 1 -1. HP Model 11869A RF PIug- in Adapter and Accessories

Model 11869A
General Information
SECTION
?
-a.
1”1. INTRODUCTION
1-2. This Operating and Service Manual contains information required
to install, operate, test, and service the Hewlett-Packard model
11869A RF Plug-In Adapter. Figure 1-1 shows the model 11869A and the
latch handle and standard BNC Plug-In interconnect cables shipped
with the instrument. Also shown in Figure 1-1 are the semi-rigid
rear-panel AUX OUT cable and connector for the model 86290 Plug-Ins.
1-3. This Manual is divided into eight sections, which provide the
following informations
a. SECTION I, GENERAL INFORMATION, includes a brief description of
the instrument, the operating characteristics, safety
considerations, optional extras available, and a list of
recommended test equipment.
b. SECTION II, INSTALLATION, provides instructions for initial
inspection, preparation for use, installation, storage,
packaging, and shipment.
c. SECTION III, OPERATION, presents information concerning the
operating controls of the instrument.
d. SECTION IV, PERFORMANCE TESTS, presents procedures to verify that
the instrument is functioning correctly.
e. SECTION V, ADJUSTMENTS. There are no electrical adjustments in
the 11869A.
f. SECTION VI, REPLACEABLE PARTS, provides information required to
order all replaceable parts and assemblies.
g. SECTION VII, MANUAL BACKDATING CHANGES, provides backdating
information to make this Manual compatible with earlier shipment
configurations.
h. SECTION VIII, SERVICE, provides a key to component symbology, a
table of mnemonics, an overall block diagram, circuit
descriptions, schematic diagrams, component location diagrams,
and troubleshooting information.
1-1

General Information
Model 11869A
1-4. SPECIFICATIONS AND SUPPLEMENTAL CHARACTERISTICS
1-5. There are no specifications for the model 11869A Adapter. Table
1-1 lists supplemental characteristics,, which are not specifications
but typical characteristics included as information for the user.
1-6. SAFETY CONSIDERATIONS
1-7. General
1-8. The model 11869A is a Safety Class 1 instrument and has been
manufactured and tested according to international safety standards.
1-9. Service
1-10. Although the instrument has been manufactured in accordance
with international safety standards, this Manual contains
information, cautions, and warnings which must be observed to ensure
safe operation and to avoid damage to the instrument. Warnings and
cautions appear where appropriate throughout the Manual. Service
should be performed only by qualified personnel.
1-2

Model 11869A
General Information
Table 1 -1. Supplemental Characteristics of the HP 11869A (1 of 2)
11869A Adapter
The 11869A RF Plug-In Adapter provides the electrical and
mechanical interface between the model 8350A Sweep Oscillator
Mainframe and an 86200 series RF Plug-In. All of the 8350A’s
standard operating features including HP-IB remote programming are
available. However, functions specific to the Plug-In (OUTPUT POWER
LEVEL, RF ON/OFF, etc.) cannot be controlled or remotely programmed
by the 8350A Mainframe.
Option 004 (Rear-Panel RF Output)
The 11869A Option 004 is designed for use with 86200 series Option
004 Plug-Ins (with rear-panel RF OUTPUT). The 11869A Option 004 is
supplied with two pre-shaped semi-rigid coax cables with mating
connectors to extend the RF OUT from the rear panel of the Plug-In
to the rear panel of the 11869A Adapter, and with a Type-N(f)
output connector. Two different RF OUT cables are supplied to match
different Plug-In models (see Figure 1-3).
Option 006 (Rear-Panel AUX OUT Connector)
The 11869A Option 006 is designed for use with 86200 series
Plug-Ins which have a rear-panel auxiliary output. The Option 006
is supplied with a pre-shaped semi-rigid cable to extend the AUX
OUT from the rear panel of the Plug-In to the rear panel of the
11869A Adapter, and with a Type-N(f) output connector (see Figure
1-1). If the Plug-In is an Option 004 Plug-In (rear-panel RF
output) which also has a rear-panel auxiliary output, the 11869A
Adapter used is an Option 004 and Option 006.
Rear Panel Description
On the rear panel of the 11869A are five hole plugs that can be
removed to allow connections to be made through the rear panel to
the rear panel of the Plug-In. For user convenience the holes are
labeled; AUX OUT, EXT ALC IN, RF OUT, PULSE IN, and FREQ REF.
Three short BNC interconnect cables are supplied to extend the
Plug-In EXT ALC IN, PULSE IN, and FREQ REF to the rear panel of the
11869A Adapter for external access. A BNC-to-SMD cable is installed
for connection of the 8350A FM INPUT signal through the Adapter to
the rear panel of the Plug-In.
1-3

General Information
Model 11869A
Table 1~L Supplemental Characteristics of the HP 11869A (2 of 2)
Plag-ln Compatibility with the 11869A/S350A
The 11869A Adapter attaches to the back of the 86200 series Plug-In
and provides connections to the 8350A Mainframe, The Plug-In
Identification Switch on the 11869A top panel is coded to interface
the individual Plug-In with the 8350A. The Modulation Select Switch
on the 11869A Connector Board selects the correct path for the
squarewave modulation signal from the 8350A for use with each
Plug-In.
The following Plug-Ins will operate in the 835QA Mainframe by using
the 11869A Adapter,
MODEL
FREQUENCY RAMGE
86220A
.01-1.3 GHz
86222A/B
.01-2.4 GHz
86230B
1,8-4.2 GHz
86235A
1.7-4,3 GHz
86240A/B
2-8.4 GHz
86240C
3.6-8.6 GHz
86241A
3.2-6.5 GHz
86242A/C/D
5,9-9.0 GHz
86245A
5,9-12.4 GHz
862 5 0A/B/C/D
8.0-12.4 GHz
86260A
12.4-18 GHz
8 6 290 A
2-18 GHz
86290B/C
2-18.6 GHz
86290A/B Opt, HQ8
2-22 GHz
Special Plug-Ins
For factory modified 88200 series Plug-Ins with non-standard
frequency coverage a special PROM must be inserted in the 11869A
Adapter. Consult your local HP Sales and Service Office for
information about the PROM to be used in a specific Plug-In,
Plug-Ins Mot Compatible with the 1X869A Adapter
The 862IB RF Drawer and the 86300 series RF Modules are not
compatible with the 11869A and will not operate in the 8350A
Mainframe.
Furnished
Three BNC interconnect cables for extending the Plug-In rear panel
inputs/outputs to the Adapter rear panel? a BNC to SMD cable
(factory installed) for connecting the Plug-In FM INPUT from the
Adapter/Mainframe? a latch handle with hardware for the Plug-In, to
simplify installation in the 8350A Mainframe,
Weights Net, 0,9 kg (2 lb). Shipping, 2,7 kg (6 lb).
1-4

Model 11869A
General Information
1-11. INSTRUMENTS COVERED BY THE MANUAL
1-12. Attached to the side panel of the 11869A is a serial number
plate similar to the one shown in Figure 1—2. The serial number is in
two parts, a prefix and a suffix. The first four digits and the
letter comprise the serial number prefix. The prefix is the same for
all identical instruments; it is changed only when the instrument is
modified. However, the numbers in the suffix are sequential,
regardless of changes in the prefix. The suffix is different for each
instrument. This Manual applies to instruments having the serial
number prefix given under SERIAL NUMBERS on the title page.
SERIAL NUMBER
f - - * ". >
PREFIX SUFFIX
, _ _ ■ * ■■■■
SER 1234A 12345
OPT
HEWLETT • PACKARD
MADE IN USA
Figure 1-2. Typical Serial Number Plate
1-13. An instrument manufactured after the printing of this Manual
might have a serial number prefix that is not given on the title
page. This unlisted serial prefix indicates that the instrument is
different from that described in the Manual. The Manual for this
newer instrument will be accompanied by a yellow Manual Changes
Supplement, which contains information explaining how to adapt the
Manual for a newer instrument.
1-14. In addition to change information, the Supplement might
contain information for correcting errors in the Manual. Such
11 errata 1 5 information applies to all serial numbers.
1-15. To keep this Manual as current and accurate as possible,
Hewlett-Packard recommends that you periodically request the latest
Manual Changes Supplement. The Supplement for this Manual is
identified with the print date and part number of the Manual, both of
which appear on the title page of the Manual. Complimentary copies of
the Supplement are available from Hewlett-Packard. For information
concerning a serial number prefix that is not given on the title page
or in the Manual Changes Supplement, contact your nearest
Hewlett-Packard Office.
1-5

General Information
Model 11869A
1-16. DESCRIPTION
1-17. The HP model 11869A RF Plug-In Adapter provides a means for
using the 86200 series RF Plug-Ins (designed for use in the 8620
Mainframe) in the 8350A Sweep Oscillator Mainframe. The 11869A
Adapter locks on to an 86200 series RF Plug-In, then this assembly
plugs into the Plug-In compartment of an 8350A Mainframe. The Adapter
provides frequency range information to the Mainframe, as well as
self-test circuits and various level shifting and interface
functions.
1-18. OPTION 004 (REAR PANEL RF OUTPUT)
1-19. If the RF Plug-In is an Option 004 (rear-panel RF OUT), it is
used with a model 11869A Option 004. The model 11869A Option 004 adds
a semi-rigid cable kit to extend the RF output from the rear panel of
the 86200 series RF Plug-In to the rear panel of the 11869A/8350A.
Figure 1-3 shows the Option 004 rear-panel RF OUT cables and
connectors.
OPTION 004
REAR-PANEL RF OUT
CONNECTOR AND CABLES
(HP 86290-60005)
(HP 11869-20002)
(HP 11869-20003)
Figure 1-3. Option 004 Rear Panel RF Out Cables and Connectors
1-20. OPTION 006 (REAR PANEL AUX OUTPUT)
1-21. If the RF Plug-In has a rear-panel auxiliary output, it is
used with a model 11869A Option 006. The Option 006 adds a semi-rigid
cable kit to extend the auxiliary output from the rear panel of the
Plug-In to the rear panel of the 11869A. The Option 006 cable and
connector are shown in Figure 1-1. If the Plug-In is an Option 004
which also has a rear-panel auxiliary output, the 11869A Adapter used
is an Option 004 and Option 006.
1-6

Model 11869A
General Information
1~22„ SPECIAL PROM MODULE
1-23. For RF Plug-Ins with non-standard frequency coverage (models
not listed in Table 1-1), a special matching PROM module must be
installed in the 11869A. Consult your HP Sales and Service Office for
HP Part Numbers of PROMs for individual factory modified Special
Plug-Ins.
1-24. LATCH HANDLE KIT
1-25. A kit containing a latch handle and mounting hardware for
installing the 86200 series RF Plug-In in the 8350A Sweep Oscillator
is supplied with the 11869A. Additional latch handle kits can be
ordered using HP Part Number 11869-60007. The latch handle kit is
shown in Figure 1-1.
1-26. OPTION 910, EXTRA MANUAL
1-27. The standard instrument is supplied with one Operating and
Service Manual. Option 910 instruments are supplied with two Manuals.
1-28. RECOMMENDED TEST EQUIPMENT
1-29. Equipment required for testing the 11869A RF Plug-In Adapter
is listed in Table 1-2. Other equipment may be substituted if it
meets the critical specifications listed in the Table.
Table 1-2. Recommended Test Equipment
CRITICAL SPECIFICATIONS
USE*
86200 series
RF Plug-In
Any RF Plug-In listed in Table 1-1
will check the interface. However,the
86290A/B/C is recommended so that
the band changing function may be checked.
8350A Sweep
Oscillator
No substitute
1740A
Oscilloscope
Dual channel,
external sweep capability
8470B Crystal
Detector
Frequency response 0.01 to 18 GHz
P,T
Adapter
Type N (m) to BNC (f)
P ?T
Equipment for
Residual FM
Test
See Operating and Service Manual for
RF Plug-In used.
P , T
*P=Performance
Test T=Troubleshooting
1 - 7 / 1 - 8

Model 11869A
Installation
SECTION II
INSTALLATION
2-1. INTRODUCTION
2-2. This section provides installation instructions for the model
11869A RF Plug-In Adapter with an 86200 series RF Plug-In and a model
8350A Sweep Oscillator Mainframe. Also included are information
concerning initial inspection and damage claims, preparation for use,
operating environment, storage, packaging, and shipment.
2-3. INITIAL INSPECTION
2-4. Inspect the shipping container for damage. If the shipping
container or cushioning material is damaged, it should be kept until
the contents of the shipment have been checked for completeness and
the instrument has been checked mechanically and electrically. The
contents of the shipment should be as shown in Figure 1-1. Procedures
for checking electrical performance are given in Section IV. If the
contents are incomplete, if there is mechanical damage or defect, or
if the instrument does not pass the electrical performance tests,
notify the nearest Hewlett-Packard Office. If the shipping container
is damaged, or the cushioning material shows signs of stress, notify
the carrier as well as the Hewlett-Packard Office. Keep the shipping
materials for the carrier's inspection. The Hewlett-Packard Office
will arrange for repair or replacement without waiting for claim
settlement.
2-5. PREPARATION FOR USE
2-6. Power Requirements
2-7. When the model 11869A RF Plug-In Adapter is properly installed,
it obtains all power through the rear interface connectors from the
HP model 8350A Sweep Oscillator Mainframe.
2-8. Interconnections
2-9. An 86200 series RF Plug-In is connected into the Plug-In
Interface Connector of the model 11869A RF Plug-In Adapter and locked
in place with the top and bottom clamps. This assembly (86200 series
RF Plug-In and 11869A Plug-In Adapter) is then installed in the 8350A
Sweep Oscillator Mainframe (see Figure 2-1). Proper connection is
made when the two interface connectors on the rear panel of the
Adapter mate with the Mainframe connectors. The three interface
connectors and their input and output signals are shown in Figures
2-2, 2-3, and 2-4.
2-1

Installation
Model 11869A
835QA
SWEEP OSCILLATOR
11869A
RF PLUG-IN
ADAPTER
88200-SERIES
RF PLUG-IN
NOTE
CONNECT RF PLUG-iN ADAPTER TO RF PLUG-IN BEFORE
INSERTING THE RF PLUG-IN ASSEMBLY INTO THE SWEEP
OSCILLATOR MAINFRAME.
w ‘ ; * WJg&mzMfM
Figure 2-1. Mounting Plug-In into Mainframe
2-10• Operating Environment
2-Xl„ Temperature, The instrument can be operated in temperatures
from 0 degrees C to 4-55 degrees C.
2—12. Humidity, The instrument can be operated in environments with
relative humidity up to 95%, However, the instrument should be
protected from temperature extremes which might cause condensation
within the instrument,
2-13. Altitude, The instrument can be operated at altitudes up to
4572 meters (15,000 feet),
2-14. INSTALLATION INSTRUCTIONS
2-15, Figure 2-5,Installation, gives instructions for connecting the
11869A Adapter to an 86200 series RF Plug-In and installing this
assembly in an 8350A Sweep Oscillator Mainframe,
2-2

Model 11869A
Installation
PLUG-IN INTERFACE CONNECTOR PI
RFM (RF MARKER)
LCGND {LOW CURRENT)
+20V
+5VB
HC GND (Ht CURRENT GND)
-10V
-10V UNREG
-40V
BAND 3 TURN ON
BAND 4TURN ON
BAND 1 TURN ON
BAND 2TURN ON
RTS {RETRACE STROBE)
NC
NC
NC
NC
NC
SEQ SYNC (SEQUENCE SYNCRONIZATION)
NC
NC
NC
NC
NC
NC
-10V SENSE
GND FREQ REF
+20V FREQ REF
L SSRQ (STOP SWEEP REQUEST)
-10V REFERENCE SWEEP SPEED
SQ MOD (1 KHz SQUARE WAVE MOD)
AM INPUT (EXTERNAL AM MOD.)
.1 - .01 SEC RANGE GATE
RFB (RF BLANKING)
CW & MAN GATE (SLOW SWEEP COMPENSATION)
VTUNE (TUNING VOLTAGE)
Figure 2-2. Plug-in Interface Signals on Connector PI
POWER SUPPLY INTERFACE CONNECTOR P2
(Connects to 8350A J3)
AM INPUT (W5)
FM INPUT (W7)
NC
NC
+20V SENSE
+20V RETURN
-10V
-10V RETURN SENSE
-40V
-40V RETURN SENSE
Alignment Pin
VTUNE
Figure 2-3. Power Supply Interface Signals on Connector P2
2-3
NC
NC
+20V
+20V RETURN SENSE
-10V UNREG
-10V SENSE
±10V RETURN
-40V SENSE
-40V RETURN

Installation
Model 11869A

Model 11869A
Installation
1. Removing the Hole Plugs
Detach the rear panel of the 11869A Adapter by removing the four
screws at the corners. To disengage the plugs from the connector
holes, pry up the prongs with a soldering aid or other convenient
tool. Push the plugs out of the holes and discard them. Replace the
rear panel on the 11869A, making sure it is the right way up.
2. Installing the Special PROM A1U6
If the exact model number of the RP Plug-In is not listed on the
11869A above the Plug-In Identification Code Switch, it is a
factory-modified Special Plug-In. The frequency range is
non-standard, and a specially matched PROM must be installed in
the 11869A Adapter to convey the correct frequency range
information to the 8350A Mainframe. The special PROM can be
ordered from the nearest Hewlett-Packard Sales and Service
Office.
Insert the PROM into the socket A1XU6 provided on the Logic
Board. See Figure 2-6 for the location of A1XU6.
Figure 2-6. Location of Socket A1XU6 for Special PROM
2-5

Installation
Model 11869A
Figure 2-5. Installation (2 of 6)
3. Setting the Modulation Select Switch
The Modulation Select Switch A2S1 selects the proper squarewave
modulation input signal for each Plug-In model depending on its
internal circuitry. Table 2-1 lists the settings of A2S1 for the
individual Plug-In models.
Table 2-1. Modulation Select Switch Settings
Plug-In Model Humber
A2S1 Position
*8622QA
EXT
86222A/B
EXT
*86230B
EXT
86235A
EXT
86 240A/B/C
EXT
*86241A
EXT
*86242A
EXT
86242C/D
INT
86245A
INT
*86250A/B
EXT
86250C/D
INT
*8626GA/B/C
EXT
86290A/B/C
EXT
86290B H08
EXT
HOTE
* Plug-Ins marked with an asterisk (*) are
not compatible with 27.8 kHz internal
squarewave modulation. For
the HP 8755 Frequency Response Test Set the
front panel RF OUTPUT is modulated at 27.8
kHz with a model 11665B Modulator. The
modulation drive signal for the 11665B is
supplied by the 8755 MODULATOR DRIVE
output. The 8350.A squarewave modulation
function is disabled by the front panel
MOD key (light off). The externally
modulated output cannot be
HP—IB
controlled.
Set the Modulation Select Switch to INT or EXT depending on the
model number of the Plug-In. If the Plug-In is a factory-modified
Special, select the switch setting for the corresponding Standard
model of similar number.
2-6

Model 11869A
Installation
Figure 2-5. Installation (3 of 6)
4* Adjusting the Clamp Position Plate
The clamp position plate on the bottom of the 11869A can be moved
backward or forward to adjust the effective length of the clamp
that attaches the Adapter to the Plug-In. Check the CLAMP ADJUST
list beside the position plate for the correct placement of the
position plate for the Plug-In to be installed. To move the clamp
position plate, loosen the four retaining screws (Figure 2-7),
slide the plate to the proper position, and re-tighten the
retaining screws.
5. Extending the Clamps
Extend the clamps on the top and bottom of the 11869A by turning
the clamp adjust knob according to the INSTRUCTIONS on the top
panel. Turn the knob to the TO DISCONNECT position.
POSITION
PLATE
'TO CONNECT'
POSITION
CLAMP ADJUST
KNOB
RETAINING SCREW
(4 PLACES)
CLAMP
(2 PLACES)
TO DISCONNECT'
POSITION
Figure2-7. Clamp Position Plate
2-7

Installation
Model 11869A
Figure 2~5. Installation (4 of 6)
f
6. Option 004; Connecting the RF OUT Cable
If the RF Plug-In is a model 86290A/B/C, clip off and discard the
chain attached to the AUX OUT cover and the heat sink, to avoid
possible short circuits on the Connector Board.
Select the correct semi-rigid Option 004 cable for the Plug-In
used. Cable number 11869-20003 is used with the 86290A/B/C*and
cable number 11869-20002 is used with all others. Set the Plug-In
right side up on a flat surface. Connect the Type-N(m) connector
of the semi-rigid cable to the rear-panel RF OUT connector of the
Plug-In. Keep the semi-rigid cable approximately parallel to the
work surface and tighten the N-connector nut by hand.
The SMA end of the semi-rigid Option 004 cable is connected to
the inside of the rear panel RF OUT connector on the 11869A
Adapter at the same time as the Adapter is mated to the Plug-In.
(See Mating the Adapter to the Plug-In below).
CAUTION
Do not over-tighten the SMA nut on the
semi-rigid RF OUT cable„ Excessive torque
may cause internal damage to the cable
connection. Tighten the nut snugly only.
After the Option 004 cable is connected to the 11869A Adapter and
the Adapter is mated to the Plug-In, carefully tighten the SMA
nut on the output end of the RF OUT cable, using a 5/16-inch
wrench. Do not overtorque, as internal damage to the cable
connection may result.
7. Option 006; Connecting the AUX OUT Cable
Remove the cover from the AUX OUT on the rear cover of the
Plug-In, and clip off and discard the chain to avoid possible
short circuits on the Connector Board.
To connect the AUX OUT cable, follow the instructions given above
for the Option 004 rear-panel RF OUT cable, except connect the
cable to the AUX OUT connector of the Plug-In and to the inside
of the AUX OUT connector on the Adapter. If the Plug-In is an
86290A/B/C Option 004, connect both the RF OUT and the AUX OUT
cables to the Plug-In before mating the 11869A Adapter to the
Plug-In.
2-8