21.
Fast
Sweep
Time
Accuracy
YLkst
(<20
ms)
Related
Adjustment
None
Specification
flO% for sweep times
1100
seconds
Description
The triangular wave output of a function generator is used to
modulate a 500 MHz signal which is applied to the spectrum analyzer
RF INPUT. The signal is demodulated in the zero span mode to display
the triangular waveform. Sweep time accuracy for sweep times
~20
ms is tested by checking the spacing of the signal peaks on the
displayed waveform.
SPECTRUM
ANALVZER
SYNTHESIZED SWEEPER
Figure 2-35. Fast Sweep Time Accuracy (~20 ms) Test Setup
Equipment
Function Generator
........................................
HP 3312A
Universal Counter
........................................
..HP5316
A
Signal Generator
...........................................
HP 8340A
Procedure
1. Connect equipment as shown in Figure 2-35.
2. Press
@ZZQ
on spectrum analyzer.
3. Key in analyzer settings as follows:
(CENTER FREQUENCY]
.....................................
500
MHZ
[FREQUENCY) .......................................
..10 0
kHz
4. Set synthesized sweeper for an output frequency of 500 MHz and
an output power level of -10
dBm.
2-84 Performance Tests
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