Tektronix P6046 User manual

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Tektronix, Inc.
P.O. Box 500
Beaverton, Oregon 97077
070-0756-00
Product Group SO
COMMITTED TO EXCELLENCE
PLEASE CHECK FOR CHANGE INFORMATION
AT THE REAR OF THIS MANUAL.
P6046
PROBE
AND
AMPLIFIER
INSTRUCTION MANUAL
Serial Number----
First Printing JAN 1968
Revised MAY 1986

Copyright if• 1968 Tektronix, Inc. AH rights reserved.
Contents
of this publication may not be reproduced in any
form without the written permission of Tektronix, Inc.
Products of Tektronix, Inc. and its subsidiaries are covered
by U.S. and foreign patents and/or pending patents.
TEKTRONiX, TEK, SCOPE~MOBILE, and are
registered trademarks of Tektronix, Inc. TELEQU!PMENT
is a registered trademark of Tektronix UK Limited.
Printed in U.S.A. Specification and price change privileges
are reserved.
INSTRUMENT SERIAL NUMBERS
Each instrument has a serial number on a pa"el insert, tag,
or stamped on the chassis. The first number or letter
designates
the country of manufacture. The last five digits
of the serial number are assigned sequentially and are
unique
to each instrument Those manufactured in the
United States have six unique digits. The country of
manufacture is identified as follows:
8000000
100000
200000
300000
700000
Tektronix, Inc., Beaverton, Oregon, USA
Tektronix Guernsey, Ltd., Channel Islands
Tektronix United Kingdom, Ltd., London
Sony/Tektronix, Japan
Tektronix Holland, NV, Hoorenveen,
The Netherlands

l'ig. 1-L !'6046 Oiffenmlio! Probe t~nd Ampilfier For 1'6046.

:~
P6046 Probe and Amplifier
SECTION J
CHARACTERISTICS
Change information, if any, affecting this section will be found at the
rear
of the manual.
General Information
The P6046 Differential Probe is on active, duai input probe
designed for use with the Tekrronix Type 1 A5 Differentia!
Amplifier
or the "Amplifier For P6046". High common-mode
rejection ratios ore provided at high frequencies by per-
forming the common-mode rejection within the probe body.
Ca!ibroled vertical deflection factors
of from 1 mV through
200 mV /division (in 1, 2, 5 sequence) con be selected by
switching at the Type 1A5 or ot the Amplifier for 1'6046.
These deflection factors
can be increased to ten times. the
indicated amount through use of a calibrated Dual Atten-
uotor Head, which
is a standard accessory to the P6046
Probe.
The Probe and Type 1 AS combination has a 45 MHz
bandwidth when used with em appropriate oscilloscope. The
Probe
and Amplifier For P6046 combination has a 100 MHz
bandwidth.
This provides a 70 MH:t overall system bandwidth
when the Probe
and Amplifier ore operated into the singte-
ended input of any 100 MH:z oscilloscope having a vertical
deflection foetor of 10 mYjdivision.
The Probe has a 5-V common-mode operating ronge and
a 25-V maximum input which con be extended by o foetor
of ten through use of the Duo! Attenuator Head.
Charaderistics
A summary of the P6046 Differential Probe electrical char·
aderistics, and pertinent mechanical and environmental
characteristics
ore contained in Table l- L Specifications per-
tain to operation with both the Type l A5 and the Amplifier
For P6046, except where noted otherwise.
Fig. 1-2, l-3, and 1·4 contain graphs of common-mode
rejection ratios {CMRR) under different equipment setups ot
25"C. MINIMUM refers to the values required to meet spec-
ifications. TYPICAL indicates the approximate valves which
most probes will obtain.
Fig. 1-5 shows how CMRR varies os temperature deviates
from 25"C. For exomple, if the Probe is to be operated at
20"C to test a 50 MHz circuit, the spe<ified CMRR shoui~ be
multiplied by 0.95 to determine the minimum CMRR value
which may
be expected.
fig. 1-6 displays the effect that sou<ce impedance has on the
gain of the Probe
as a function of frequency. It can be ap-
plied to differential operation as follows: Relate the upper
graph to the display amplitude ""'- input signal when the
signal source impedances
are matched (up to a 5:1 source
impedance ratio); Re!o!e the lower graph to the display
amplitude
-:- input amplitude when the signal source imped-
ances
are greatly mis-matched.
Accessories
A number of accessories which extend operating capabil-
ities are supplied with the P6046 Probe and !he Amplifier For
?6046 as Stondord Accessories. These are listed on the last
page of the Mechcmicol Ports list.
An optional accessory which must. be used during Probe
calibration is listed in ~he Calibration section. Additional
miscellaneous accessories are listed in the Tektronix catalog.
All accessories can be purchased through the Tektronix Field
Office.
TABLE 1-1
CHARACTERISTICS
...
Characteristic Performance
Requirement at
25"C Supplemental Information
Step Response
With Type lAS
Bandwidth Risetlme
5 to 200
mV /CM
245MHz
:::;7.8 ns
'lmV/CM and 20mV/ ?:43MHz $8.1 ns
CM-Retained Range
----~
1 mV/CM and 10 mV/ >38MHz
S:9.2 ns
CM--·Retained Range
With Amplifier For P6046 Bandwidth Risetime
----~------
-·----··
-~--"--·-----~-~~-·------~-----~- ·-·"'-·~---------- ----
1 mV /DIV through 200
>lOOMHz
53.5 ns
Bandwidth
in
l and 2mV/D!V positions
mV/DIV decreases
to 90MHz at 50°C.
1-1

Ringing, Rounding, Over·
shoot and Tilt
With Type lAS
Head
--D"iff;cifon--f:c;-c:io;:- - -----
Basic {I Xl
wiih-lox""-l)~-c;r·;,:ttei~uofor
Head
Range
DC to 10MHz
Dual Attenuo!or Heod
:±:4% (S6% peok ro peak) in first 70 ns
::':::1
1 mV/div to 200mV/div calibrated in 1, 2,
5 sreps
+5 V {DC + peak AC) from overage
nai !eve!; not exceeding ±~5 V with
sped to ground
Input
----··------+-------------- -------~---
Probe
!OX Duol
lOX--D~oi"Attenuotor
·oc:-·rhermoro-;:iF----~---
Probe
Am-p~f;r _________ ·
1-2
o C ot Probe head
Percent of devio!ion soedfication increases
by 4% within the fir~t 10 m; at 0o C and
+50°C
1 mV /div through 2_500 mV /div l.mcoli·
brated with 1 A5
®

Churaeterittin-P6046 Probe and Amplifier
~
15
~~~~;;~]~~§~=~==~~~::~:""~ ·~~!~~~~~~!:~~~~~~~~=~~=t-~-~::"~f~~~~~!~I~~~l~~!!?~:~-=-:~
With Type 1A5 I 200 t.N tongentiglly M;;!'QSvted i RMS value is approximately 1J
2 of the tan-
--WithA~pilf{;;-F(;~P6o46~·~·-~t2So p.V- rengentiuiiy-meo~orecr·--------··is~ntially measured value. Peak to peak
! . . . l value is approximately 5J times RMS.
~r£~~~~If!~~~:_i~~~~~d~~:~~=~J .. ~}!~~o;:}~s~o!_}~£~~s§~L-=-~~-=--~==--==~r===--~:~~--~~:·· -===-~-=-~=~==-=:-.=~
Overdrive Recovery Time , I 5V Input
With Type iA5 i 0.15 p.s or less {to within 10 mV of DC j
!shifted level) !
wilh'A;:;pmier -For P6046-·-·-ra-:~-;~-o·~·I;;;$(io withi;TOmVof-DC sr;iftecn
i !eveij !
~~,~--·~-·~---·~--·- ---·-···--..-----..--~---'--·~- -··--~~~-~-~........-.~-.- .... -..----~.-----~--~-~--------- --- "- .-,-..~---~·---~-- -~...,.._~ ......... ~ ......._... - ... --.~- --------~ --- ..,-··-----~-------·~----····~---·-·
Maximum Al!cwoble tnpvf ' 25 V toto! OC + Peak AC; 25 V toted dlf- i AC or DC-covpled
1 ference
betweM + and ~- Input tips 1
-~;1ftf~~~~~~~~~c:=~-~~-~~~+~~~fs~:\1r:~~;~;c;~~~~;--o~--~~--~=p~J-~~=~~§J~_ --==-~==~·=·=~~=--=~===
l +5" c !
----~-----------··---·--t-·----. ~----··-·---. -------·+---------------------~---~-·
Amplifier for ?6046 ! 90 to 136 V or 180 to 272 V AC, 50 to 1Chong$ power eonn~dions for ronge and
Operating Voiroge i 400Hz !vQitoge within range. See Table 4-3.
--~ ·--~. -•-4~- --··-~• --·~~·---~ ··~~--- --~-.~- ~.._-••·•·-~·~·---·---~-~---.-· .... -~--..........,..~>'"·.-•V-•·•--~- .. ~-------- •-•<-'<-• .--.. -~ __ _.,. -,<\' ~·-~·-~-_,,. ___ ,,_, ___ ,.....,.. _ ____.~~---~~ -~---·-·~- -~~ , __ ,
~mp•afure ! ;
i
Non-operating 1-4Q"C to +o5"C
o-p-e,:atin9 ________ -----~- ---- ··n5"ct"o- +50"c
----···-·---·---···-~·-···-~--- .................... ·----4.----·----------------~-----------·-·-·--·-~-·-·-
Aititude j
Non-operating
l To 50,000 feet
i
j
--~f~~~;i:~~~g~--~=~~ ~~=- -==--~~--=~~t!~J:~~~!ee~:=·-==:=:· _______ ----·-·----·--+----·-·--·-·-..,·-------·-·. ------~-···-----·-~-----·
Non-~peroling Is cycles Mll-STD-202C, Method 1068, omit·
__ ···-·- ·-- .... ----~---~-·----- --------1-!!.~_fre~~~-o~ .. v ___ ib ___ r __ o __ tio_n ___ ......... ..:------------·--+------··-··-· ___ .. _____ ..... _--·-·-----·-·--···-------- ..
Vibration ,
Operating l1s minutes each oxis at 0.015 inch. Fre·
lquency varied from 10-50.10 c/s in 1-min·
i ute cydes with instrument secured to vibra·
Non-operating
Probe Body
Amplifier
ticm pkltform. Three minutes eoch oxi; ot
reso~!:!..J:~i~_?!~~t_SO __ :... ..... --·-·--·-•-----·-
400 g's 1
/'" sinai 6 shocks along
tri::Huvers!ll'
axis at
1
/2
ms, i ms and 2 ms duration
(toto! of 1B :shocks); 3 oddltionol shO<:ks in
longifudinol axis or Y
2
rns, l ms and 2 ms
(toto! of 9j
200 g·s, V
2
si~, 3 ms or 7 ms durotion:
3 shoth eoeh direction cdong the 3 maior
axes for o toto! of 18 shocks
··------!---·--·-
1-3

Hl00:1
HIO:!
10Hz. l
kH:r:
10 kHx
iOCH:t-1%
50 100
MHx Mlb
FREOIJENCY

H)OO:l
100:1
10 Ht 100 lb: lldit
l Mtb:
I'!U!QIJENCV
f!g. 1~3, Typkol 1"6046 CMI!:R: versus fr~>quency for 50 mV !lm:n;gh 700 mV divl$ion at 75° C. Alu> 1:1pp!les to Hl and 20 mV-Ih>talmrd Range
positiont of Type 1A5.
lOOMtb: