ECE :: Analog Electronics
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In the circuit shown in the given figure, the current flowing through resistance of 100 Ω would be
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A sine wave is passed through an amplifier which severely limits it symmetrically. If then passes to a second amplifier which is narrow band and tuned to the frequency of the original sine wave. What will be the output wave from this second amplifier?
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Assertion (A): The main use of positive feedback is in oscillator circuits.
Reason (R): In an oscillator the loop gain Aβ is kept slightly more than unity
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In a transistor which of the following region is very lightly doped and is very thin?
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The properties of FETs closely resemble those of a
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The purpose of providing groundings rings with MOSFET is to
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The minimum value of hfe of a transistor used in RC phase shift oscillator is
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Self bias is an example of __________ feedback that tends to stabilize the drain current against changes in temperature and JFET replacement.
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A.
A square wave of the same frequency as that of the original sine wave
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B.
A square wave of double the frequency of that of original sine wave
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C.
A sine wave of constant amplitude at the frequency of the original sine wave
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D.
A sine wave of constant amplitude at double frequency of the original sine wave
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