Question
Thu February 24, 2011 By: Padmini Kommu

I still couldn't understand why input and output waveforms out of phase with each other in a common-emitter amplifier configuration?

Expert Reply
Mon February 28, 2011
Dear student,
 
In common-emitter configuration  the output voltage is inversely proportional to the input signal strength. That is, the output voltage decreases as the input signal increases. For this reason, the common-emitteramplifier configuration is referred to as an inverting amplifier. And hence the waveforms are out of phase.
 
Hope this helps.
Thanking you
Team
Topperlearning.com
Tue February 07, 2017

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