Introduction of Low Power Amplifier
Introduction of Low Power Amplifier
A low power amplifier is an electronic amplifier designed to increase the power amplitude of a given input signal. The power of the input signal is increased to a level sufficient to drive the load of output devices such as speakers, headphones, and RF transmitters. Unlike voltage/current amplifiers, low-power amplifiers are designed to directly drive the load and used as the final module in the amplification chain.The input signal of the low power amplifier must be higher than a certain threshold. Therefore, instead of passing the original audio/RF signal directly to the low power amplifier, it is pre-amplified with a current/voltage amplifier and sent to the low power amplifier as input after making the necessary modifications.
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