Thursday 11 June 2015
LICA Assignment Questions
ASSIGNMENT
QUESTIONS FOR IIIRD IAT
Unit no 6
1. Design a 2nd order HPF using IC
715 for a cut-off
frequency of 5K Hz, draw its frequency response and comment
on the same. Given IB(MAX) = 1.5 µA.
2. With a neat circuit diagram, waveform and
expressions, Explain capacitor coupled non-Inverting crossing detector.
3. With a neat circuit diagram, waveform and
expressions, Explain Inverting Schmitt- trigger circuit.
4. With a neat circuit diagram, waveform and
expressions, Explain astable multi
vibrator.
5. With a neat circuit diagram, waveform and
Explain i) zero crossing detector.
ii)
voltage regulator.
6. An Inverting Schmitt trigger circuit is
to have UTP= 0 V
and LTP = 2.5 V. Design a suitable circuit using a bipolar op-amp and a ±18
V supply.
Unit no 7
1. Explain the basic Switching Regulator
Circuit and mention its Advantages and Disadvantages.
2. Explain the working of Series Voltage
Regulator with current limit protection.
3. Mention the advantages of IC Voltage
regulator. With a neat internal block diagram of IC723 Explains the Functions of each block.
4. Explain the standard
Representation/Standards of 78XX
type Regulators.
5. Design 723 based Voltage Regulator to provide
constant VO= 20V, IOMAX = 250 mA, given VUN-REGUL =
30V±10%.
6. Explain the terms Line Regulation, Load
Regulation, And Ripple Rejection For a DC Voltage regulator.
Subscribe to:
Posts (Atom)