ATT TEST 6 EXAM NEWEST 2025 ACTUAL EXAM
COMPLETE 100 QUESTIONS AND CORRECT
DETAILED ANSWERS (VERIFIED ANSWERS)
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How is frequency determined in a Hartley Oscillators? -
ANSWER-The values of the components in the feedback circuit
determine the frequency.
How is a colpitts oscillator identified? - ANSWER-Two
capacitors in the feedback circuit.
How is frequency determined in a colpitts oscillator? -
ANSWER-Frequency is determined by the components in the
feedback circuit.
How is an RC Phase Shift oscillator identified? - ANSWER-
They have three RC networks in the feedback circuit.
What is the total phase shift in an RC Phase shift oscillator? -
ANSWER-360 degrees.
Q1 is a common emitter amplifier that produces a 180 degree
phase shift. Each RC network produces a phase shift as well.
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How is frequency determined with the sawtooth oscillator? -
ANSWER-The frequency of the output is determined by the
frequency of the input.
What is the purpose of a blocking oscillator? - ANSWER-They
change DC into short, rectangular pulses that can be used as
timing pulses to trigger other circuits.
Blocking Oscillator - ANSWER-Any oscillator that cuts off its
own oscillations at a predetermined time.
Transconductance (gm) - ANSWER-The amount of control that
the input voltage has over the output current.
Gm= Ioutput/Einput
Name the 3 multivibrators whose purpose is to convert DC
Energy to square wave energy. - ANSWER-1. Astable
Multivibrator
2. Monostable Multivibrator
3. Bistable Multivibrator