Sunday 29 December 2013

ELECTRONIC DEVICES AND CIRCUITS


ELECTRONIC DEVICES AND CIRCUITS

1.      Valence Electrons are the electrons present in the outermost orbit
2.      The element that does not have three valence electrons is Gallium
3.      The ripple frequency for a full wave rectifier is twice the supply frequency
4.      The primary function of a rectifier filter is to Removes Ripples
5.      Power transistors are invariably provided with Heat Sink
6.      The common emitter transistor High Gain
7.      The practical range of stability factor is from 1 to 10
8.      An amplifier in Voltage Divider Bias configuration is the most widely used one
9.      The input and output impedance of a CC amplifier is Large and Small
10.  The power gain of a CB amplifier is approximately equal to Current Gain
11.  For small values of drain-to-source voltage, JFET behaves like a Resistor
12.  A depletion MOSFET differs from a JFET in the sense that has no PN-Junction
13.  A uni-junction transistor has two Bases and One Emitter
14.  The voltage gain of common drain amplifier is always Less than 1
15.  The tunnel diode can be used as a Logic Memory Storage device

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