Analog and Digital Electronics – ATT Week 7 –
Multivibrator Circuits Explained (Q&A Format)
What is the purpose of R2 in an Astable Multivibrator Circuit? Base bias resistor for Q2
What is the purpose of R4 in an Astable Multivibrator Circuit? Collector load resistor for
Q2
What are the outputs of Q1 and Q2 in an Astable Multivibrator Circuit? 180° out of phase
What is the purpose of R5 in an Astable Multivibrator Circuit? Adjusts Symmetry of the
output waveform.
What is the purpose of D1 and D2 in an Astable Multivibrator Circuit? Prevents slow rise
times.
What does the feedback circuit in a monostable multivibrator contain? C1 and R3
What provides biasing for Q1 in a monostable multivibrator circuit? R1, R3, R4, R5
What is the collector load resistor for Q1 in a monostable multivibrator circuit? R1
, What provides Base bias for Q1 in a monostable Multivibrator circuit? R3, R5
What provides biasing for Q2 in a monostable Multivibrator circuit? R2, R4
What is the collector load resistor for Q2 in a monostable multivibrator circuit? R4
What is the base biasing resistor for Q2 in a monostable Multivibrator circuit? R2
D1 and C2 in a monostable Multivibrator circuit are used for... Input trigger pulse
Operation of a monostable multivibrator is controlled by... Charging of C1
In a monostable multivibrator circuit, the output frequency is... Same as input frequency
What provides the biasing for Q1 in a bistable Multivibrator circuit? R3, R4, R5
What is the collector load resistor in Q1 in a bistable Multivibrator circuit? R1
What provides base bias for Q1 in a bistable multivibrator Circuit? R3, R5
What provides biasing for Q2 in a bistable Multivibrator circuit? R1, R2, R6
Multivibrator Circuits Explained (Q&A Format)
What is the purpose of R2 in an Astable Multivibrator Circuit? Base bias resistor for Q2
What is the purpose of R4 in an Astable Multivibrator Circuit? Collector load resistor for
Q2
What are the outputs of Q1 and Q2 in an Astable Multivibrator Circuit? 180° out of phase
What is the purpose of R5 in an Astable Multivibrator Circuit? Adjusts Symmetry of the
output waveform.
What is the purpose of D1 and D2 in an Astable Multivibrator Circuit? Prevents slow rise
times.
What does the feedback circuit in a monostable multivibrator contain? C1 and R3
What provides biasing for Q1 in a monostable multivibrator circuit? R1, R3, R4, R5
What is the collector load resistor for Q1 in a monostable multivibrator circuit? R1
, What provides Base bias for Q1 in a monostable Multivibrator circuit? R3, R5
What provides biasing for Q2 in a monostable Multivibrator circuit? R2, R4
What is the collector load resistor for Q2 in a monostable multivibrator circuit? R4
What is the base biasing resistor for Q2 in a monostable Multivibrator circuit? R2
D1 and C2 in a monostable Multivibrator circuit are used for... Input trigger pulse
Operation of a monostable multivibrator is controlled by... Charging of C1
In a monostable multivibrator circuit, the output frequency is... Same as input frequency
What provides the biasing for Q1 in a bistable Multivibrator circuit? R3, R4, R5
What is the collector load resistor in Q1 in a bistable Multivibrator circuit? R1
What provides base bias for Q1 in a bistable multivibrator Circuit? R3, R5
What provides biasing for Q2 in a bistable Multivibrator circuit? R1, R2, R6
