Frequency Response Check - HP 3400A Operating And Service Manual

5-9. Frequency Response Check
NOTE
Connect the 50 ohm feedthru termination directly to the 3400A IN-
PUT, to eliminate high frequency losses in the output cable.
a. Connect the test setup shown in Figure 5-2.
c. Set the Test Oscillator for a 400 Hz output. Adjust its amplitude for the reading ob-
tained in paragraph 5-8 step d, on the 3400A.
hp3400A
TEST OSCILLATOR
RMS VOLTMETER
p654A
50M FEED-THRU
TERMINATION
Apioses
a:
ee me ae ee ew
Figure 5-2. Frequency Response Test Setup
Table 5-3. Frequency Response Check
0.95 to 1.05
45 Hz "0.95 to 1.05
100 Hz 0.99 to 1.01
900 kHz 0.99 to 1.01
1.2 MHz 0.98 to 1.02
1.8 MHz 0.98 to 1.02
0.97 to 1.03
0.97 to 1.03
0.95 to 1.05
0.95 to 1.05
5-4