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What does an emitter follower do?
The emitter follower is widely used as a buffer amplifier to reduce the loading on the previous stage and provide a lower impedance output for any following circuits. The electronic circuit design for the stage is also very straightforward and easy to accomplish.
Why can an emitter follower be used as a buffer?
An emitter follower can serve as a buffer for a voltage source. The simple voltage divider will give a 4V output for an open circuit, but quickly drops when larger loads (smaller load resistors) are connected. The buffer helps to keep the output voltage more nearly constant.
What is cut off clipping?
As the signal simply “cuts” or “clips” at the maximum capacity of the amplifier, the signal is said to be “clipping”. The extra signal which is beyond the capability of the amplifier is simply cut off, resulting in a sine wave becoming a distorted square-wave-type waveform.
How do you know if your amp is clipping?
If the amplifier peak power maxes out below the signal’s max voltage, then clipping results. Or, if the peak power is not generated fast enough, the signal may be distorted or clipped as well. This condition may result due to an inadequate power match between the amplifier and the speakers and desired volume levels.
What does it mean when your amp is clipping?
Clipping occurs when more power is required from an amplifier then it is able to deliver. Once the maximum amount of power supply voltage has been reached, it becomes impossible to amplify the incoming signal without compromising its form. This means that the signal is amplified but in a very distorted form.
What does clipping mean?
waveform distortion
Clipping is a form of waveform distortion that occurs when an amplifier is overdriven and attempts to deliver an output voltage or current beyond its maximum capability. Driving an amplifier into clipping may cause it to output power in excess of its power rating.