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 filter with the 741 has a Q factor of 8 at the frequency of 1 kHz. The circuit is from a...
The presented circuit emulates a precision diode. The operational can be replaced by a more modern...
This circuit was found in Intersil's documentation from the 70's, being indicated for powering...