Linear Integrated Circuits Questions and Answers
Q1.
The current to voltage converter photosensitive device can be used as
Answer :
Light intensity meter
Q2.
Voltage follower circuit are used in
Answer :
1. Active filter
2. Sample and hold circuit
3. Bridge circuit with transducer
Q3.
How to remove the dc term produced along with the output in frequency doubler?
Answer :
Use a capacitor between load and output terminal
Q4.
The op-amp operating in open loop result in output of the amplifier to saturate at a voltage
Answer :
Close to op-amp positive or negative power supply
Q5.
Which factor makes the differentiator circuit unstable?
Answer :
Gain
Q6.
Filters are classified as
Answer :
1. Analog or digital
2. Passive or active
3. Audio or radio frequency
Q7.
What are the most commonly used active filters?
Answer :
1. Low pass and High pass filters
2. Band pass and Band reject filters
3. All-pass filters
Q8.
In which filter the output and input voltages are equal in amplitude for all frequencies?
Answer :
All-pass filter
Q9.
To change the high cutoff frequency of a filter. It is multiplied by R or C by a ratio of original cut-off frequency known as
Answer :
Frequency scaling
Q10.
In a first order high pass filter, frequencies higher than low cut-off frequencies are called
Answer :
Pass band frequency
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