
19. 1st LO Output Amplitude Test
19.
1st
LO
output
Amplitude
Test
Specification
>
+ 5
dBm
from 2.3
GHz
to 6.1
GHz
Description
The power level at the
1ST
LO OUTPUT connector is measured as the
first LO is swept over its 2.3
GHz
to 6.1
GHz
range.
SPECTRUM
ANALYZER
B
SENSOR
Figure 2-33. 1st LO Output Amplitude Test Setup
Equipment
Power Meter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
..HP436A
Power Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
..HP8485A
Procedure
1. Press (2’. Key in a
(sTop)
of 5.8
GHz.
2. Set [SWEEP
TIME)
to 100 seconds.
3. Calibrate power meter and sensor. Connect equipment as shown in
Figure 2-33.
4. Observe the meter indication as the analyzer sweeps from 2.0 to
5.8
GHz.
The indication should be
>
+ 5
dBm
across the full sweep
range.
dBm
Performance Tests 2-91
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