Yashwantrao Chavan Maharashtra Open University 2006 Certification TES Electronic Measurements and Instruments - Question Paper

TES064/EE/20070818
Electronic Measurements and Instruments
Time : 180 minutes Marks : 100
Instructions for the students :
1. All ques. are compulsory.
2. “Long ans kind ques. (LAQ)” is a supply kind ques. of 20 marks,
which require typical ans of about 60-80 lines in about 32-40 minutes.
3. “Short ans kind ques. (SAQ)” is a supply kind ques. of five marks,
which require typical ans of about 15-20 lines in about 08-10 minutes.
4. Use of non-programmable kind of scientific calculator is allowed.
5. Draw neat diagrams wherever necessary.
6. presume suitable data if necessary.

Long ans kind ques. (LAQ’s)
1. (a) discuss the working of chopper stabilized amplifier with a
neat circuit diagram.
(b) Draw the block diagram of a staircase ramp digital
voltmeter.


2. (a) Draw the block diagram of phase locked loop and discuss
every block.
(b) Draw the block diagram of a fast fourier transform spectrum
analyzer and discuss.


3. (a) Draw the block diagram of frequency counter.
(b) describe Gauge factor. Derive an expression for a Gauge
factor.


4 (a) discuss the operation of a voltage to frequency converter
with a circuit diagram.
(b) discuss the working of IEEE 488 bus.


Short ans kind ques. (SAQ’s)
5. Draw a circuit and discuss DVM in short. 5
6. elaborate the application of spectrum analyser ? 5
7. With a neat diagram discuss the working of velocity transducer.

8. What is the need of analog to digital multiplexer ? 5

Earning:   Approval pending.