Tektronix 2221 - Page 141

Appendix
A - 2221
Operators
П
л
n . Set the VERTICAL MODE switch to CH 1 .
f . Move the cable from the CH 1 OR X input connector
to the CH 2 OR Y input connector .
C
i . Set the
generator to produce
a 50 kHz , 6 -
division
display .
g
.
Set
:
j . Set the VERTICAL MODE switch to BOTH .
П
П
Л
VERTICAL MODE
Channel 1 AC - GND - DC
Channel 2 AC - GND - DC
CH 1
GND
AC
k . Adjust the CH 1 or CH 2 VOLTS / DIV Variable con
trol
for
minimum
display
amplitude
.
h . CHECK - Display amplitude is 0.05 division or less .
1. Set the
VERTICAL
MODE
switch to CH
1 .
i . Set
:
50 MHz , 6 - division
m . Set
the
generator to
produce
display .
CH 2 VOLTS / DIV
STORE / NON - STORE
SAVE / CONT
50 mV
STORE (
button in
)
CONT
n . Set the VERTICAL MODE switch to BOTH .
j . CHECK - Display amplitude is 0.1 division or less .
O. CHECK - Display amplitude is 0.6 division or less .
k . Move the
cable from the
CH 2 OR Y
input
connector
to the CH 1
OR X input
connector
.
p . Disconnect the test equipment from the instrument .
I. Set :
VERTICAL MODE
CH 1 VOLTS / DIV
CH 2 VOLTS / DIV
Channel 1 AC - GND - DC
Channel 2 AC - GND - DC
CH 1
50 mV
0.1
V
GND
AC
13. Check Non Store and Store Channel Isolation
a .
Set
:
CH 1
0.1 V
m . CHECK - Display amplitude is 0.1 division or less .
Л
П
in
Л
П
П
Л
П
Л
n
п
Л
VERTICAL MODE
VOLTS
/
DIV
(
both
)
VOLTS / DIV Variable
( both )
INVERT
Channel 1 AC - GND - DC
Channel 2 AC - GND - DC
SEC / DIV
n . Disconnect the test equipment from the instrument .
CAL detent
Off (
button
out )
AC
GND
0.1
us
14. Check Store Mode Cross Talk
a .
Set
:
b .
Connect the
leveled
sine -
wave
generator
output
via
a 50 2 cable and a 50 termination to the CH 1 OR X
input
connector
.
VERTICAL MODE
VOLTS
/
DIV
(
both
)
SEC / DIV
BOTH and
CHOP
0.1 V
10
us
C. Set the generator to produce a 50 MHz , 5 - division
display . b .
Connect
the
Pulse
Generator
pulse
-
period
output via
a 50 12
cable and a 50 2
termination to
CH 1
OR X
input
connector .
d . Set the VERTICAL MODE switch to CH 2 .
C
C. Set the generator to produce a 100 kHz , 5 - division
display
.
e . CHECK - Display amplitude is 0.05 division or less .
A - 9