Hartley Oscillator Operation Flashcards
This Hartley oscillator feedback circuit does not shift the amplifier’s output signal by 180° because the emitter signal is _______.
in phase with the input
out of phase with the input
in phase with the collector
out of phase with the collector
in phase with the input
The purpose of a Hartley oscillator is to _______.
convert DC energy to sinusoidal AC energy
convert AC energy to sinusoidal AC energy
convert DC energy to non-sinusoidal AC energy
convert AC energy to non-sinusoidal AC energy
convert DC energy to sinusoidal AC energy
In this Hartley oscillator, the input/output coupling capacitors are _______.
C1 and C2
C1 and C4
C2 and C3
C2 and C4
C2 and C4
Hartley oscillators are distinguished by _______.
the two capacitors in the tank circuit
the two inductors in the tank circuit
the capacitor and resistor in the tank circuit
the resistor and inductor in the tank circuit
the two inductors in the tank circuit
In this Hartley oscillator, the frequency is determined by _______.
C2,C4 and C3
R1,R2 and C2
L1,L2 and C2
L1,L2 and C1
L1,L2 and C1
In this Hartley oscillator, the frequency can be changed by _______.
moving the feedback path to the bottom of L2
changing the value of +Vcc
changing the position of S1
varying the value of R3
changing the position of S1
At TP3, an oscilloscope would measure _______.
an AC sine wave riding on the DC base bias level
a DC signal at the base bias voltage level
an AC sine wave at 0 volts DC
a DC signal at 0 volts
an AC sine wave riding on the DC base bias level
The frequency of this Hartley oscillator is _______.
145 Hz
- 60 kHz
- 50 kHz
- 92 kHz
4.60 kHz
The frequency of this Hartley oscillator is _______.
- 5 kHz
- 12 kHz
- 07 kHz
- 52 kHz
7.12 kHz
In this Hartley oscillator, the output is taken at _______.
TP3
TP4
TP7
TP8
TP7
