MM0474
AIPD SUBCOURSE NUMBER MM0474, POWER MEASUREMENTS
EXERCISES FOR LESSON 5
1.
At which point(s) should the frequency be calibrated on a thermistor
mount?
a.
Low, center, and high frequency ranges
b.
Low frequency range only
c.
Center frequency range only
2.
What value is obtained by calibrating a thermistor mount?
a.
Frequency range
b.
Power limits
c.
3.
What is the purpose of the main line variable attenuator used in the
reference technique procedures for calibrating thermistor mounts?
a.
Provides phase-locked leveled output
b.
Adjusts for power output at specific frequencies
c.
Increases or decreases the calibration factor of the test instrument
4.
What position should the RANGE switch be in on the model 431C, when
adjusting zero control for 25% to 75% of full scale?
a.
Null
b.
0 dBm
c.
0.01 mW
5.
During initial set up for a power measurement, what position should the
CALIBRATION FACTOR switch be in?
a.
Position stamped on label of thermistor mount
b.
88% position
c.
100% position
6.
For making a DC substitution power measurement, how should the signal
source be operated?
a.
Square wave modulated
b.
CW mode (unleveled)
c.
CW mode (leveled)
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