Q. A dc amplifier can operate

View solution

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

View solution

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

View solution

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

View solution

Q. CC circuit is suitable for impedance matching.

View solution

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

View solution

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

View solution

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

View solution

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

View solution

Q. Volt equivalent temperature in a PN Junction diode is

View solution

Q. Primary advantage of a crystal oscillator is that

View solution

Q. The conversion or collector circuit efficiency is a measure

View solution

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

View solution

Q. A capacitor input filter relies on

View solution

Q. RECTIFIER : OSCILLATOR ::

View solution

Q. A voltage doubler circuit uses

View solution

Q. Which amplifier will be preferred for highest gain?

View solution

Q. Which of the following are synonymous?

View solution

Q. Which of the following contributes to harmonics distortion in amplifiers?

View solution

Q. Which of the following couplings may cause unwanted clamping?

View solution