Amity University 2007 B.Tech Computer Science and Engineering end semester - Question Paper
AMITY UNIVERSITY -UTTAR PRADESH--
(Established by Ritnand Balved Education Foundation)
Lucknow Campus
MID TERM EXAMINATION - SEPT, 2008 JB.TECH (CS I f) III SEM ANALOG ELECTRON 1 CS - [ (BTCEC-20301/BTI EC- 20301)
Time: 1 Hours
Max. Marks: 20
instruction: Attempt all questions.
Q.No.l Explain in brief tlie following terminology used in semiconductor devices/diodes
Forbidden gap (0.5)
Doping (0.5)
Reverse saturation current (0.5)
Avalanche and Zener breakdown (1)
Tunneling and negative resistance concept in tunnel diode (2)
Schottky diode and hot carrier concept (1.5)
Junction capacitances (1)
Q. No. 2 Discuss the working of a Half wave rectifier and derive the formula for ripple factor and efficiency. (8)
OR
Discuss the working principle of full wave rectifier and derive the formula for ripple factor or efficiency in center tapped full wave rectifier.
Q. No. 3 (a) Explain the clipper and ciamper network in brief.
(1)
(2)
(b)Sketch the output wave form of following circuit.
(c) Sketch the output wave form of following circuit
(2)
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| Earning: Approval pending. |
