Can the darlington transistor made up of an npn and a pnp

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Reference no: EM13254812

(1) Can we have Darlington transistor made up of an NPN and a PNP or do the two transistors have to be of the same type?

(2) Amplifiers has a power gain of 1,000 or 30dB. Where is that power coming from? Is it from the input signal or is it coming fromthe power supply?

Reference no: EM13254812

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