Low Frequency Power Amplifiers Tutorial

An alternate LED driver which uses the 74F3040 line driver was incorporated in this particular...

A standard dual integrator filter can be constructed using a few CA3080s. By varying LABC, the reso

A radio camera on a model railway should transmit constantly while the train is moving and...

Infrared transmitter and receiver circuit shown in the schematic diagram below can be used as...

The amplifier feeds a brace of speakers with two LM3876 amplifier chip circuits (50 watts per...

This unit employs a dual trace oscilloscope with X-Y function as a display to test and...

The signal from MSP430 PWM pin isn`t quite ready to drive a speaker or amplifier. First, we can...

As shown, when not in external transistor Q1, connect a 3.3k resistor between feet and legs....

Audio equipment from the former speaker output terminals left and right channel signal, the Rl,...

Circuit shown in Figure 3-99. The low start-up circuit to the motor ( shaped connection), then...