This circuit is from a 90s 73 Amateur Radio Today. The circuit uses a MOSFET to provide 10 W of output from a 2 W input.
We found this circuit in an 80's Radio Shack publication. The circuit uses a company buzzer, but...
This circuit is based on the well-known PLL 567 and can operate at 100 kHz. The transformer can be...
This ultra-sensitive circuit detects the light that strikes a sensor by activating a relay. The...