A signal has passed through three cascaded amplifiers, each with a 4 db gain. What is the total gain? How much is the signal amplifie
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Answer is :- 12 dB.
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Answer:
The total gain is 12 db.
Explanation:
- The signal is passed through three amplifiers, therefore the signal power is improved 3 times, and each time the attenuation is 4db.
- Therefore the total gain or attenuation achieved on the signal is 3*4=12 db.
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