The emitter of a high-pfsrr should be heavily dopeda is it, Ask an Expert

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The emitter of a high-PFSrr should be heavily doped.

(a) Is it desirable to replace the emitter in BJT with a metal?

(b) Considering a metal on N-Si junction. The minority-carrier injection ratio is the number per second of minority carriers injected into the semiconductor divided by the majority carrier injected per second from the semiconductor into the metal when

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