Tektronix 434, Инструкция по эксплуатации

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Calibration—434
H O R IZ O N T A L SYSTEM C A L IB R A T IO N
E quipm ent Required
1. Test Oscilloscope
4. 42-Inch 50 £2 BNC Cable
2. T im e-M ark Generator
5. 3-Inch Screw driver
3. Standard A m p litu d e C alibrator
6. Low-Capacitance Screw driver
C ontrol Settings
Preset in stru m e n t c o n tro ls to the settings given under
P relim inary C o n tro l Settings except as fo llo w s :
Sweep M ODE A U T O
IN T E N S IT Y V isible Display
34. A djust Sweep Generator O ffset A djustm e n t
a. C onnect a I X probe to the test oscilloscope vertical
in p u t.
b. C onnect the tip o f the I X probe to TP701 (see Fig.
5-12).
c. Set the test oscilloscope in p u t coupling to ground and
establish a 0 V DC reference level.
d. Set the test oscilloscope in p u t coupling to DC and
the V o lts /D iv to 5 m V .
e. C H E C K —Test oscilloscope display is w ith in tw o d iv i­
sions o f the 0 V DC reference level.
f. A D J U S T —Sweep Generator O ffs e t adjustm ent R703
(see Fig. 5-12) to center the test oscilloscope display
around the 0 V DC reference level.
g. D isconnect all test equipm ent.
35. A d ju s t Sweep Cal A d ju stm e n t
a. C onnect a T im e -M a rk Generator to the CH 1 in p u t
connector via a 42-inch 50 £2 BNC cable.
M a g n ifie r
R e g is tra tio n
R 8 6 3 H
W k
H o riz o n ta l
R 8 1 7
T e s t P o in t
TP 701
ac-iSRzr
# ■ isr?0'' T fik r
iU 9 : -
.
Sw eep G e n e ra to r
O ffs e t R 7 0 3
5-24
Fig . 5 -1 2 . L o c a tio n o f h o riz o n ta l system a d ju s tm e n ts an d te s t p o in ts .