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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.
The material with lowest resistivity is (A) Constantan. (B) Silver. (C) manganin. (D) nichrome. Ans: The material with lowest resist
What do you understand by solar water heating and discuss different kind of solar water heating based on collector-storage and circulation type. Discuss integrated collector - s
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Draw and discuss power failure detection circuit interrupt NMI. The non-maskable interrupt (NMI) is an edge-triggered input which requests can interrupt upon the positive-edge.
Q. Explain the different types of probes used in cathode Ray Oscilloscope (CRO). Sol. probes: The probe performs the very important function of connecting the test circuit
ANI AND Immediate with Accumulator Instruction 8 bit data specified in the instruction is logically AND with the contents of the accumulator. The result is stored in
A 15kVA has a turns ratio 1:10. If the voltage applied is 13.8kV and the applied load is 20+j6. Find the current in the secondary winding and the active and reactive power consumed
Balance Business Score Card in KPI Information Age The current era is driven by the information. It is a revolutionary transformation and industries are competing in th
Q. Input bias current of operational amplifier? When operated at extremely low quiescent current values, the base bias currents will be low; but they do have to be taken into c
Question 1: Planning is one of the primary functions of management. (a) Explain the importance of planning in an organisation. (b) How can managers develop an effective a
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