Found on an 80's Radio Electronics, this circuit is designed to pass the 300 to 34,000 Hz voice range using standard operational amplifiers.
This circuit is from a 1990 Philips Databook. The circuit uses a symmetrical source and power from...
This circuit was obtained in old documentation, but it is valid for modern triacs that must be...
This transistor amplifier provides 35 W of power to an 8 ohms speaker and must be powered by a 59...