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Q Explain about 'Darlington Amplifier'?
DARLINGTON AMPLIFIER : A CC stage followed by another CC stage has an input resistance of about (b + 1) 2 times the emitter resistance of the second stage. More precisely, using the b transform, it is
If RE1 is removed, the second term is about b2 times RE2. Furthermore, if the collectors are connected together, the result is a Darlington stage, as shown below.
This stage can be viewed as a "Darlington transistor" because it has three terminals and an equivalent b of about b2 . Darlington BJTs can be used in any of the three BJT configurations.
For a vehicle suspension, a basic two-degree-of-freedom "quarter-car" model would be slightly more complicated than the spring-mass-damper system I chose to study in Figure 1. The
Q. The self and mutual inductances of a machine with two windings are given by L 11 = (1 +sin θ), L 22 = 2(1 + sin θ), and L 12 = L 21 = M = (1-sin θ). Assuming θ = 45°, and le
EI Enable Interrupts Instruction The interrupt enable flip flop is set and all the interrupts of 8085 microprocessor are enabled which are disabled by DI instructi
Construction and operation of jet: jet is a three terminal device one terminal capable of controlling the current between the other two. Basic construction of an n chann
A 3-bit quantizer is utilized to transform the following signal into a binary digital signal. Determine the binary values of the first three samples (assuming the quantizer rounds
Speed control of DC Motor The DC motor are versatile motors among the available electrical motors due to their superior characteristics. These motors give a smooth sp
A feedback control system with the configuration of Figure has the following parameters: K p = 0.5 V/rad, K a = 100 V/V, K m = 2.7 × 10 -4 N·m/V, J = 1.5 × 10 -5 kg·m 2 , and
Immediate Addressing In this addressing mode that 8/16 bit data is specified in the instruction itself as its one of the operands. Normally the instructions using a
Q. Explain working of Presentation Layer? This is concerned with format of the data represented, in order to overcome difference in representation of information as supplied to
Explain ionic polarisation. Ionic Polarisation: It takes account of the fact that while some of the atoms in a molecule contain an excess positive or negative charge that of
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