STUPIDSID
1 (a)
Explain current amplifier with grounded load
5 M
1 (b)
Explain requirements of an instrumentation amplifier
5 M
1 (c)
Explain Flash ADC
5 M
1 (d)
Explain muliplier characteristics
5 M
2 (a)
Draw the internal block diagram of IC XR 2206 and explain it
10 M
2 (b)
Draw the circuit of basic integrator using op-amp. Find expression for output voltage. Explain disadvantage of basic integrator
10 M
3 (a)
Design a multiple feedback low pass filter with H0=3, F0=5 KHz and Q=6
10 M
3 (b)
Explain internal block diagram of IC 555 with monostable mode. Explain one application of it.
10 M
4 (a)
Draw the circuit of instrumentation amplifier with dual op-amps. Find expression for the output voltage
10 M
4 (b)
Design an astable using 555with output frequency 1 KHz with 60% duty cycle. Modify the circuit design to obtain 1 KHZ output frequency with 40% duty cycle
10 M
5 (a)
Write the VHDL code for simple 4-bit counter with Rising Clock Edge and Asynchronous Active Low clear input
10 M
5 (b)
Draw the block diagram of IC 565 and explain it. Also mention important electrical characteristics of 565
10 M
6 (a)
For 5-bit R-2R ladder network with 0=0V and 1=10V. Find-
(i) Analog output due to LSB change
(ii) Full scale output voltage
(iii) Analog output for digital input 11000
(i) Analog output due to LSB change
(ii) Full scale output voltage
(iii) Analog output for digital input 11000
10 M
6 (b)
Design a sequential circuit using Mealy machine to detect an overlapping sequence as follows 1010
10 M
7 (a)
Explain inverting Schmitt trigger
5 M
7 (b)
Explain antilog amplifier
5 M
7 (c)
Explain FPGA
5 M
7 (d)
Differentiate between Moore and Melay circuit
5 M
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