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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:
A pure sine wave along with a frequency of 100Hz is sampled at 150Hz. At which point one of the subsequent frequencies would you expect an alias? A) 75Hz B) 100Hz C) 150Hz
Q. Advantage of digital technology? The primary advantage of digital technology is the low cost, simplicity, and versatility of the digital building blocks. Because digital sig
design a clipper circuit of a sinsoiudial wave of a peak value 25v&minimum value of -12v to make the output voltages of 20&-9v respectively.
Q. What do you mean by Retention of Risk? Retention of Risk: In case of this method, the organization voluntarily accepts the risk since either the risk is insignificant or its
Q. What are the different types of coupling in amplifiers? The coupling between stages of amplifications may also be used to classify amplifiers. There are four main groups: di
One battery having of eight cells in parallel. Emf and internal resistance of every cells is 1.5V and 0.4Ω. Find the value of current if an external resistance of 5Ω is connected t
Direct Addressing In this addressing mode one of the operands is the data stored in the memory. The memory address of the operand is directly given in the instruction
transformation of independent variable e.g. time related explaination
Q. What is the need for bias stabilization in BJT? BJT or bi-polar junction transistor is a three terminal, two junction semiconductor device and the conduction is due to the m
Q. Discuss the operation of a transistorized phase shift oscillator with the help of a diagram? Explain the phase shifting circuit? An oscillator is a circuit which converts el
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