Agilent Technologies 83620A, Service Manual

Page: 168 / 687

5. On the function generator, set:
Function: Sine wave
Frequency: 1 kHz
DC Offset: 0 mV
Set the amplitude to 600 mV
p-p
(or 212 mV
rms
) and v erify this amplitude
with the D VM. Note that the D VM measures in V rms
(V
rms
x 1.414 x 2 = V
p-p
).
6. On the measuring receiv er, set:
HP Filter: 300 Hz
LP Filter: 3 kHz
Measurement: AM
Detector: Peak 6/2 (both on)
Automatic Operation
7. On the syn thesizer, turn on AM mo dulation. Press:
4 MOD 5
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
AM On/Off 100%/V (asterisk on)
F or instrumen ts with Option 002, instead press:
4 MOD 5
NNNNNNNNNNNNNNNNNNNNNNN
AM Menu
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
AM On/Off Ext (asterisk on)
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
AM Type 100%/V (asterisk on)
8. On the test record, record the mo dulation depth as indicated b y the
measuring receiv er.
For Instruments with Option 002 only .
9. On the syn thesizer, turn on in ternal AM. Press:
4
MOD
5
NNNNNNNNNNNNNNNNNNNNNNN
AM Menu
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
AM On/Off Int (asterisk on)
10. On the syn thesizer, press:
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
Internal AM Rate 4
1
5 4
kHz
5
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
Internal AM Depth 4 30 5 4 enter 5
11. On the test record, record the mo dulation depth as indicated b y the
measuring receiv er.
2-98 P erformance T ests
AM Accuracy
HP 8360
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