Biasing Definition In Electronics. In the previous chapter, we explained how a transistor acts as a. The main use for class a bias is in low power audio and radio frequency voltage amplifiers, where the amount of power wasted is less significant than the amplifier´s main advantage of low distortion.
A diode or a pn junction is reverse biased when the negative side of external bias voltage is connected to the p region of the diode (the anode in a diode) and the positive side is connected to the n region (the cathode in a diode). By applying an external voltage across a diode, we are able to control the width of the depletion layer. The main use for class a bias is in low power audio and radio frequency voltage amplifiers, where the amount of power wasted is less significant than the amplifier´s main advantage of low distortion.
