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Describe briefly modal noise in optical communication. Write down the advantages and disadvantage of APD (Avalanche Photodiodes) based optical receivers.
Describe leaky-capacitor concept in Vidicon in detail. Describe luminance and chrominance signals.
Write down the advantage of VSB modulator. What do you mean by the resolving power of a camera tube?
Explain the basic principle of automatic gain control and illustrate how it is applied to tube and transistor amplifier.
Write down the principle of operation of a monochrome camera tube. Sketch the block diagram of V.H.F Tuner.
Describe the working principle of water sealed spirometer set up to measure slow lung – volume changes.
Distinguish between active and passive transducers. Draw the action potential waveform and label an amplitude and time values.
Describe electrode skin interface with its equivalent electrical circuit. Describe the X-ray technique of radiography with diagram.
Describe sphygmomanometer with working principle and circuit. Describe the terms: TIDAL volume, LUNG COMPLIANCE.
Describe the working of cardiac pacemakers with its block diagram, working and different pacing modes of operation.
Describe the selection criteria for transducers. What are different physiological effects of electric current?
Describe Zener Breakdown and Avalanche Breakdown. What is Transistor? What are the functions of Emitter, Base and Collector? Describe the working of PNP transistor.
Draw the circuit diagram of a single stage amplifier. Mention the functions of each component used in this circuit.
Illustrate a comparison between logarithmic and Laplace transformation. Show how inverse Laplace transform transforms frequency domain function F(s) to the time domain function f (t).
Illustrate the difference between the Transmission and Inverse Transmission Parameters for reciprocity and symmetry.
Determine the frequency at which a prototype Ti-section low pass filter containing a Cut-off frequency of 1.5 Khz consists of an attenuation of 20 dB.
Find out the number of independent loops in a network having conventional transformer and 8 elements with 5 nodes?
In terms of ABCD parameters, illustrate when is a two-port network symmetrical?
What are the values of inductances and capacitances in m derived band stop filters.
Differentiate between the Network analysis and synthesis.
What is the application of the Reciprocity theorem?
Define the active and passive circuit elements.
What do we mean by the term Network synthesis? How is it distinct from the network analysis?
Why is the scope of hydraulic and pneumatic techniques of data transmission limited? Describe.
Describe the landline telemetering systems. Explain the torque balance telemetering system.