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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:
Q. An interesting application of the SRFF is as a buffer in overcoming contact bounce in mechanical switches. These switches, of the toggle type, may be used to change the logic st
How is EISA bus different from ISA bus? The Extended Industry Standard Architecture (EISA): it is a 32 bit modification to the ISA bus. Since computers became larger and had wi
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A three-phase, 4160 V, 60 Hz, 3000 kVA generator supplies the following three phase loads: A 00 kVA at .7 pf lagging, D 00 kVA at .9 pf lagging, and C 50 kVA at unity pf.
fir and iir filter design
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Define Salient-pole Rotor Construction - Synchronous Machines? Salient-pole rotor construction on the other hand, may be used for low to medium speed applications. The machines
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