Q. In a push pull circuit the two transistors are

View solution

Q. In a resistance loaded amplifier, the gain decreases at high frequencies because

View solution

Q. A 1 ms pulse can be stretched to 1 sec pulse by using

View solution

Q. Most of the transistor data sheets specify the power rating for an ambient temperature of

View solution

Q. The early effect in BJT is caused by

View solution

Q. In which configuration does output ac voltage appear between emitter and ground?

View solution

Q. At high frequencies the output circuit of transistor amplifier reduces to

View solution

Q. A pulse transformer uses

View solution

Q. An amplifier signal is made up of just two frequencies 1000 Hz. The output signal consists of 500 Hz and 25000 Hz frequencies. This may be attributed to

View solution

Q. If input ac is 10 Vrms, then maximum voltage that will appear across the diode of a half wave rectifier with a capacitor I/P filter will be

View solution

Q. One of the major applications of JFET is in

View solution

Q. Which of the following circuits can operate class AB for audio power output?

View solution

Q. In a P-N-P transistor, with normal bias

View solution

Q. A D.C. amplifier amplify

View solution

Q. In common base amplifier the current gain is less than one, but the voltage gain may be anywhere from

View solution

Q. In a class C operation

View solution

Q. For a good voltage amplifier, its input impedance should be

View solution

Q. Gain stability in an oscillator can bs achieved by

View solution

Q. A Hartley oscillator uses

View solution

Q. Aperture circuit produces __________ in sample hold circuit.

View solution