Filter
Top Products
20.
1st
LO Output
Amplitude Test
Specification
>+4
dBm from 2.0
GHz
to 3.7
GHz
Description
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
POWER METER
Figure 2-35.
1st
LO Output Amplitude Test Setup
Equipment
Power Meter
.................................................
HP
436A
Power Sensor
...............................................HP
8482A
Procedure
1. Press (INSTR PRESET].
2. Set [SWEEP TIME) to 100 seconds.
3. Calibrate power meter and sensor. Connect equipment as
shown in
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.
dBm
5. Replace 50 ohm terminator on
1ST
LO OUTPUT.
2-66 Performance Tests