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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.
what are the limitations of superposition theroem
describe the compensation technique for both Vbe and Icbo
Flag Registers Flag register is also an 8 bit register. Out of 8 bit five are defined as flags to indicate status of the accumulator hence it is also called status reg
A step-down transformer has primary turns Np = 100; secondary turns Ns = 10; primary winding resistanceRp = 100 ?; secondary winding resistance Rs = 2 ?. Assume that there is no l
Q. A satellite radio transmitter has P in = 3 W and G t = 30 dB. The receiving antenna has a circular aperture with radius r at the ground station 30,000 km away. Find r in meter
Q. Determine briefly subscriber loop system. Give some technical specification for subscriber lines. Ans: Subscriber Loop System: Each subscriber in a telephone network is
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I have an enclosure which doesnt comply with the atex directive, they want to install it in outside in a safe area of an offshore platform. They have produced an atex cert and want
Q. Explain biased and double clipper circuits. Clipper can be either forward biased or reverse biased. If a battery is connected in series with the diode in a positi
Explain Mobility . Average drift velocity of electrons (e - ) in an applied field is proportional to the field, the absolute magnitude of the proportionality factor eq/m, termed
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