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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.
Actuators These devices convert electromagnetic energy to mechanical energy to produce intermittent mechanical movement (e.g. opening a valve in a central heating system or c
Define and explain Numerical aperture? Figure shown below shows an incident ray to the fibre, The light bends at two interfaces, one at the air- core interface and the
ADI Add Immediate Instruction The bit data specified in the instruction is directly added with contents of accumulator and result of operation is stored in the accum
Qestions: a) Draw the approximate equivalent circuit for a single phase power transformer. Identify all circuit elements and briefly explain their physical relevance. b) S
Give four examples of natural insulating materials. Illustrations of the natural insulating materials are rubber, cotton, wood and mica.
The Maximum clock frequency in 8086 is 5 MHz .
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Question: An evaporator is a device in which a feed stream is concentrated by boiling a solution. A combination of heating and reduced pressure are used to induce the boiling.
why is a delay line used in the vertical selection of oscilloscope?
The assignment is to plan, design and write a PLC program on the FX Training Software using a PART SUPPLY CONTROL SYSTEM based on the requirement specification outlined be
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