HP 8642A - Page 249

Model 8642A/B
Performance Tests
PERFORMANCE TESTS
PROCEDURE: 1. Setup
Connect the equipment as shown in Figure 4-4. Preset the
instruments. On the measuring receiver, enable the 300 Hz HP Filter
and the 3 kHz LP Filter.
2. Residual AM
Put the measuring receiver in AM mode using the rms detector. Set
the HP 8642 to the levels and frequencies in the following table and
verify that the measuring receiver reading is less than the specified
maximum.
ill
18
18
18
5
5
5
8642
FREQ
1 MHz
1 GHz
1.3 GHz
1
1 MHz
1 GHz
1.3 GHz
1
Results
Actual
Max
0.010%
0.010%
0.010%
0.010%
0.010%
0.010%
1
8642B only.
3. Residual FM
Put the measuring receiver in FM mode and leave the rms detector
enabled. Set the HP 8642 to the levels and frequencies in the
following table and verify that the measuring receiver reading is less
than the specified maximum.
8642
AMPTD
(dBm)
10
10
10
10
8642
FREQ
250 MHz
0.5 GHz
1 GHz
1.3 GHz
Results (kHz)
Actual Max
0.0010
0.0012
0.0020
0.0050
4-17