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20. 1st LO Output
Amplitude Test
Specification
Description
Equipment
Procedure
2- 66 Pe r fo r m a nc e T e s t s
The power level at the 1ST LO OUTPUT connected is measured as the
first L.O. is swept over its 2.0 GHz to 3.1 GHz range.
SPECTRUM ANALYZER
Figure 2-35. 1st LO Output Amplitude Test Setup
Power Meter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HP 436A
Power Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HP 8482A
1. Press
].
PRESET
2.
Set
to 100 seconds.
[
)
SWEEP TIME
3. Calibrate power meter and sensor. Connect equipment as
Figure 2-35.
4. Observe the meter indication as the analyzer makes a complete
sweep. The indication should be > + 4 dBm across the full sweep
range.
5. Replace 50 ohm terminator
on
POWER METER
shown in
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