12.
If the internal VFO harmonic is phase locked to the input frequency,
the sampler output will be a dc voltage proportional to
a.
the difference frequency.
b.
the VFO harmonic.
c.
the beat signal.
d.
13.
What type waveform is present at the output of the pulse driver?
a.
Sine wave
b.
Sawtooth
c.
Square wave
d.
Pulsed signal
14.
What results when the resistance of the Level Adj (R1 in APC No.1) is
decreased?
a.
Gain decreases
b.
Gain increases
c.
Q7 saturates
d.
Q5 turns off
15.
In what type configuration are Q4 and Q5 (in the Peak Holding circuit)
connected?
a.
b.
Darlington Amplifier
c.
Eccles-Jordan Amplifier
d.
Push-Pull Amplifier
16.
What condition in the dc amplifier (figure 9) will cause the meter to
deflect?
a.
Q8B conducting
b.
Q8A conducting
c.
Positive going signal on base of Q8A
d.
Q8A emitter positive
17.
What is the purpose of R8-R17 in the VFO Linearizer (figure 11)?
a.
Maintain dial linearity
b.
Vary Q2A and Q2B gain
c.
Voltage divider
d.
All of the above
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