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At what frequencies does the gain of the n-stage cascading amplifier get compromised?(a) Mid-range frequencies(b) High-range frequencies(c) Low-range frequencies(d) It does not affect the gainI had been asked this question in quiz.My doubt is from N-Stage Cascading Amplifiers topic in section Low Frequency Transistor Amplifier Circuit of Electronic Devices & Circuits

Answer»

The CORRECT choice is (c) Low-range frequencies

For explanation: Multistage cascading AMPLIFIERS or n-stage cascading amplifiers have a low CUT off frequency. The gain of the system is compromised at lower frequencies. To calculate the cut off frequency fc = f1 / √(2^1/n – 1), where f1 is initial frequency.



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