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A common-collector (CC) amplifier is also known as an emitter follower (or a voltage follower) due to the fact that the output voltage "follows" the input by being approximately equal to the input voltage. The amplifier is shown in Figure (a), in which the collector forms a common terminal between the input and output circuits, and resistors R1, R2, and RE are determined by biasing. Capacitors CB and CE are chosen large enough to appear as short circuits at the lowest frequency of interest in the input signal vS. The output voltage vL is taken across the load resistor RL. The small-signal ac equivalent circuit of the amplifier is shown in Figure (b), whose analysis yields the following results:
Redraw the Wheat stone bridge circuit of Figure and show that Equation holds good for the null condition when the meter A reads zero current.
(a) Explain what asynchronous transmission is and give two advantages and two disadvantages of using this type of transmission. (b) One of the goals of multiplexing is efficienc
AC Motors DC motors that have their magnetic fields produced by coils as described earlier can, in principle, be powered from AC as well, since if the applied voltage reverse
1) Assume that we are given the continuous-time signal xa (t) = xa1 (t) + xa2 (t) + xa3 (t), where, xa1 (t) = 2 + cos3 (2pf1 t + p 3 ) + 2 cos(2pf2 t), xa2 (t) = 2 cos(2pf3 t)
PUSH PSW Instruction It is similar to above push instruction but instead of normal register Paris it use PSW as its operand. Program status word comprises of the content
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
different coupling methods
Q. Explain Integral-error or reset control? A control system is said to possess integral-error control when the generation of the output in some way depends upon the integral o
Diagram and explanation of cro
explain appropriate first aid procedure to be followed in case of electric shock
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