Rajasthan Polytechnic Third Year Paper 2016 – Signal Conditioning

Rajasthan Polytechnic Third Year Paper 2016 – Signal Conditioning

Which of the following is NOT a signal conditioner?
(a) Transducer
(b) Sensor
(c) Modulator
(d) Rectifier

Which of the following is NOT a ideal Op-amp characteristic?
(a) Infinite input impedance
(b) Infinite CMRR
(c) Full power bandwidth
(d) Finite open loop gain

A charge amplifier is used to
(a) convert charge into voltage
(b) convert charge into current
(c) amplify the charge signal
(d) modulate the charge signal

The following is an example for a signal level changing circuit?
(a) Clipping circuit
(b) Time division multiplexing
(c) Clamping circuit
(d) Low pass filter

Which of the following bridge is used to meausre capacitance?
(a) Hay’s Bridge
(b) Maxwells’s bridge
(c) De Sauty’s Bridge
(d) Wheatstone Bridge

A band pass filter can be created by
(a) cascading a high pass and a low pass filter
(b) cascading a low pass and a high pass filter
(c) connecting a high pass and a low pass filter in parallel
(d) connecting two band elimination filters in parallel

A.C. bridge used for measurement of inductance is/are
(a) Maxwell’s Inductance Bridge
(b) Hay’s Bridge
(c) Anderson’s bridge, Owen’s bridge
(d) All of these

In time division multiplexing
(a) Time is doubled between bits of a byte
(b) Time slicing at CPU level takes place
(c) Total time available in the channel is divided between several users
(d) none of the above

Main difference between isolation & instrumentation amplifier
(a) Instrumentation amplifier has an input stage
(b) Instrumentation amplifier has an output stage
(c) Instrumentation amplifier has an differential stage
(d) Input, output and power supply stages of an isolation amplifier are all isolated from each other.

Sample and hold circuits are used in
(a) A/D converter
(b) Peak detection
(c) Pulse modulation
(d) All of the above