Q. A transconductance amplifier has

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Q. The signal input to a given amplifier is made up of 100 mΩ signal power and 1 mΩ noise power. The amplifier contributes an additional 100 mΩ of noise and has a power gain of 20 dB. The output signal-to-noise ratio is

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Q. In order to protect a MOSFET against damage from any stray voltage at the gate

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Q. A dc amplifier can operate

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Q. Assertion (A): In a common source amplifier with source terminal at ac ground the voltage gain is about gm rd

Reason (R): A common source amplifier is a source follower circuit

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Q. Thermal runaway will take place if the quiescent point is such that

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Q. In applications where __________ input resistance is needed, the JFET is preferred to the bipolar transistor.

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Q. CC circuit is suitable for impedance matching.

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Q. Which of the following number specification refers to FET with one gate?

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Q. Which of the following plot can be directly used to determine β?

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Q. The emitter follower steps up the impedance by a factor of

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Q. In a tuned class C power amplifier the quiescent value of collector to emitter voltage is equal to (VCC denotes collector battery voltage)

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Q. Volt equivalent temperature in a PN Junction diode is

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Q. Primary advantage of a crystal oscillator is that

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Q. The conversion or collector circuit efficiency is a measure

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Q. A transistor amplifier is operating in class A mode. If a transformer is connected for impedance matching, the efficiency will

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Q. A capacitor input filter relies on

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Q. RECTIFIER : OSCILLATOR ::

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Q. A voltage doubler circuit uses

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Q. Which amplifier will be preferred for highest gain?

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