artisan 8640B - Output Level Accuracy Test Setup (Abbreviated)

Model 8640B TM 9-4935-601-14-7&P
PERFORMANCE TESTS
4-23. OUTPUT LEVEL ACCURACY TEST (Abbreviated) (Cont'd)
Figure 4-10. Output Level Accuracy Test Setup (Abbreviated).
EQUIPMENT:
Spectrum Analyzer...........................................................HP 141T/8552B/8554B
Power Meter...........................................................................................HP 435A
Power Sensor.......................................................................................HP 8481A
20 dB Amplifier (2 required) .................................................................HP 8447A
10 dB Step Attenuator............................................................................HP 355D
Double Shielded Cable (2 required)..............................................HP 08708-6033
NOTE
An HP Model 432A Power Meter with a Model 478A Thermistor Mount can be used for this test.
However, a 10 dB attenuator, such as the Model 8491A OPT 10, must be used with the mount.
This will slightly degrade measurement accuracy.
PROCEDURE:
1. Connect equipment as shown in Figure 4-10 after setting Signal Generator's controls as follows:
Meter Function..........................................................................................LEVEL
COUNTER MODE: EXPAND ..........................................................................Off
LOCK...............................................................................Off
Source............................................................................ INT
AM................................................................................................................OFF
FM ................................................................................................................OFF
RANGE.........................................................................................256 - 512 MHz
FREQUENCY TUNE..............................................................................512 MHz
OUTPUT LEVEL....................................................................................+19 dBm
RF ON/OFF ....................................................................................................ON
4-25
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