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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.
details of commutator
What are the different flag available in status register of 8086? There are Six flags are present. They are, AF - Auxiliary Carry Flag CF - Carry Flag OF - Ove
What is transfer function
The various flags are: - Sign flag, Axillary flag, Zero flag, Parity flag, Carry flag.
Q. Explain the different coupling schemes used in amplifiers? When amplifiers are cascaded, it is necessary to use a coupling network between the output of one amplifier and th
A LIT (linear time-invariant) system, impulse response h [ n ], is described by: (a) Show the block-diagram representation for this FIR filter (only use multiplier, adder
What is the use of ALE The ALE is used to latch the lower order address so that it can be available in T2 and T3 and used for identify the memory address. During T1 the ALE goe
a. Enlist the benefits and drawbacks of in band and out band voice signalling? b. Describe Channel Associated mode, Channel Non-Associated mode and QuasiAssociated mode of commo
How DRAM's are different from SRAM's? Why DRAMs are said to employ address multiplexing? Dynamic RAM (DRAM) is fundamentally similar as SRAM, except that this retains data for
Q. Advanced Mobile Phone System? Cellular systems employed cells with a radius in the range of 5-18 km. The base station usually transmitted at a power level of 35 W or less, a
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