Appendix
C:
Performance Verification
Step
3:
Check LF Reject
A
Triggering
a. Set:
A
Trigger
LEVEL
A
COUPL
Midrange
NORM
b. Set the generator to produce a
25
kHz,
0.35
division display.
c. Set the
A
COUPL
switch to
LF REJ
position.
d. CHECK
-
The display cannot be obtained by adjusting the
A
Trig-
ger
LEVEL
control.
e. Set the generator to produce a
50
kHz,
0.35
division display.
f. CHECK
-
Stable display can be obtained by adjusting the
A
Trigger
LEVEL
control.
g. Disconnect the test equipment from the instrument.
Step
4:
Check External Triggering
a. Set:
CH
1
VOLTSIDIV
A
SECIDIV
A
&
B
SOURCE
A
COUPL
5
mV
0.1
ps
A
EXT
NORM
b. Connect the leveled sine wave generator output via a
50
Q
cable, a
50
CJ
termination, and a dual-input coupler to both the
CH
1
OR
X
and
EXT INPUT
connectors.
c. Set the leveled sine wave generator output voltage to
40
mV and the
frequency to
10
MHz.
d. CHECK
-
Stable display can be obtained by adjusting the
A
Trigger
LEVEL
control for each switch combination given in Table
A-1 3
on
page
A-46.
e. Set:
CH
1
VOLTSIDIV
50
mV
XI0
Magnifier On (knob out)
f. Set the generator output voltage to
120
mV and the frequency to
60
MHz.
g. Repeat part d.
h. Set the generator output voltage to
150
mV and the frequency to
100
MHz.
i.
Repeat part d.
Step
5:
Check External Trigger Ranges
a. Set:
CH 1 VOLTSIDIV
A
SECIDIV
XI 0
Magnifier
0.5
V
20
ps
Off (knob in)
-
-
-
-
-
-
Scans
by
ARTEK MEDLA
=>
Appendices