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

Q. A clipper

View solution

Q. In a rectifier circuit the filter capacitance is increased. Then the ripple will

View solution

Q. The static characteristic of an adequately forward biased p-n junction is a straight line if the plot is of

View solution

Q. The main use of JFET with a

View solution

Q. Assertion (A): A dc stabilizer has constant output voltage irrespective of variations in input voltage and load current

Reason (R): A dc series regulator uses a zener diode across the load to stabilize the output voltage.

View solution

Q. In the self biasing scheme (RF across collector to base) of BJT, S1 tends to unity by __________ RC is the collector load Resistance.

View solution

Q. In op-amp integrating amplifier the input is feed to

View solution

Q. Transformer coupling in transistor amplifier circuits provides high efficiency, because

View solution

Q. Two identical FETs each having parameters gm and rd are connected is parallel. The composite FET has parameters

View solution

Q. If f is more than funity the gain of op-amp becomes less than 1.

View solution