ECE :: Analog Electronics
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In a class C power amplifier the input frequency of ac signal is 1 MHz. If tank circuit has C = 1000 pF, the value of L =
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In calculating output impedance of an amplifier the source is replaced by an open circuit.
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For transistor 2 N 338 the manufacturer specifies Pmax = 100 mW at 250°C free air temperature and maximum junction temperature of 125°C. Its thermal resistance is
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It has been found that in a rectifier circuit with RC filter one RC section reduces ripple by 15%. Two RC sections are used in cascade the reduction in ripple would be
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An op-amp has
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In the figure, assume the op-amp is to be ideal. The output Vo if the circuit is
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(Vs2 - Vs1)
.
... (1)
... (2)
increases efficiency decreases.