This circuit provides a few watts of output and can be used in the car as an auxiliary amplifier. Transistors must be mounted on heatsinks and the speaker can be 4 ohms or 8 ohms.
This Wein bridge oscillator provides a sinusoidal 3 to 4 kHz signal. The circuit was found in a...
This circuit was found in the power semiconductor manual of the 1980s ON Semiconductor. The...
This circuit with a common FET generates signals around 1 MHz, depending on the crystal used. We...