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1192032 Pages:2

With the help of a circuit diagram, derive the equation for load current I, for a
V to converter with grounded load.
Derive the equation for frequency of oscillation (fo) of a Wein Bridge oscillator.
Design a Wein Bridge oscillator for fo = 1 KHz.
Derive the equation for the transfer function of a first order wide Band Pass filter.
Design a first order wide bandpass filter with fy= 2KHz and 1-5 500 Hz
Draw the circuit of a log amplifier with temperature compensation and derive the
equation for its output voltage.
Derive the equation for frequency of oscillation for a square-triangular waveform
generator.
PART C

Answer any two full questions, each carries 20 marks.
With the help of circuit diagram, internal functional diagram and relevant graphs,
explain the working of a Monostable Multivibrator using IC555.
With the help of a circuit diagram and truth table, explain the working of a Flash
type ADC.
With the help of circuit diagram and internal diagram, explain the working of a
Low Voltage Regulator using IC723.
With the help of a circuit diagram explain the working of a Dual slope ADC.
With the help of block diagram explain the working of PLL. Explain any two
applications of PLL.
The basic step of a 9bit DAC is 10mV. If 000000000 represents OV, what output is
produced if the input is 110011001?
Define the following terms with respect to DAC (i)Resolution (ii)Linearity (iii)

Full scale output voltage (iv) LSB (v)MSB

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