Hey there, i was reading up on common emitter amplifiers in allaboutcircuits and i was wandering if one of you could explain this to me: How is it that the output current is out of phase with the input? I understand how the voltage across the transistor is inversely proportional to the input voltage. But say for example if the input voltage increases, the voltage across the transistor will decrease allowing more voltage to be dropped across the load. And more output current in general. I notice that this happens except that it is 180 degrees out of phase according to the text.
But how is it out of phase? does the current not flow in the same direction across the transistor? Are the respective currents not in phase into the emitter? And is the voltage waveform across the load in phase with the input voltage? And is the voltage waveform across the load in phase with the input voltage?
Thanks alot guys!
But how is it out of phase? does the current not flow in the same direction across the transistor? Are the respective currents not in phase into the emitter? And is the voltage waveform across the load in phase with the input voltage? And is the voltage waveform across the load in phase with the input voltage?
Thanks alot guys!