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Q. Explain the applications of emitter follower.
Because of high input impedance and low output impedance an emitter follower is capable of transferring maximum power from the high impedance source to low impedance load. When an emitter follower is employed for this purpose it is called a buffer amplifier. The emitter follower is more preferred than a step-down transformer for impedance matching because it is more convenient and it also provides a better frequency response. Emitter follower can also be deployed in circuits where high current gain is required without increase in voltage gain.
Q. Explain Computer-aided circuit analysis? A word of caution is appropriate if this is the student's first experience with simulation. Just as the proliferation of calculators
Body Effect The body effect explains the changes in the threshold voltage through the change in the source-bulk voltage, approximated by the subsequent equation: In whi
Determine Total magnetic flux: A ring is composed of three sections. The cross-sectional area is 0.001 m2 for each section. The mean lengths of each section are l a = 0.3 m,
A 20µF capacitor is connected in series with a 50 kΩ resistor and the circuit is connected to a 20 V, d.c. supply. Verify: a) The initial value of the current flowing, b) T
how can i solve clipper diode circuit ???
Establish the relationship between duty ratio and output voltage
Q. Explain Time-invariant versus time-varying systems? When the parameters of a control systemare stationary with respect to time during the operation of the system, the system
In this case, 24 simultaneous calls can be put through switch. Generally a 24-outlet Uni-selector is used as a selector hunter. Every one of the 24 outlets is connected to one two-
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For a 50kW three phase rectifier connected at 415 V to a point of common coupling with a short circuit capacity 500kVA modelled as an inductive source, design filters to make the s
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