MM0474
13.
When connected what effect does a recorder have on the panel meter of the
Model 432A power meter?
A.
Decrease the meter reading by 10 dB
B.
Decrease the meter reading by half
C.
No effect on the panel meter
14.
Power entering the thermistor mount but not dissipated in the detection
thermistor element is called
A.
RF losses.
B.
instrumentation error.
C.
mismatch error.
15.
How much impedance does the Model 478A thermistor mount terminate the
input by?
A.
35 ohms
B.
50 ohms
C.
75 ohms
16.
The model 486A/power meter combination can measure average power up to 10
mW, how can power in excess of 10 mW be measured?
A.
Insert a tuner between mount and source
B.
Insert a directional coupler between mount and source
C.
Connect to thermistor mounts in series
17.
Thermistor mount VSWR and RF losses is compensated by
A.
coarse zero control on power meter.
B.
mount resistance switch.
C.
calibration factor on power meter.
18.
What is being accomplished on model 432A when the coarse and fine zero is
adjusted?
A.
Adjusting VCOMP and VRFO
B.
Adjusting VCOMP only
C.
Adjusting VRFO only
19.
What meter indication is made on the 432A power meter when the range
switch is set to coarse zero?
A.
Thermistor mount unbalance
B.
Thermistor bridge balance
C.
Thermistor bridge unbalance
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