This circuit was obtained from a 1980's QST magazine. The circuit can generate 1 to 15 MHz signals with 1 Vpp at 50 ohms load. Used transistors are still common today.
This circuit controls a heating element using a triac. Triac must be fitted with a heat sink. We...
IDT ZSSC3230 Capacitive Sensor Signal Conditioner Available from Mouser Electronics stock, this IDT...
Vishay's VCNL4200 integrated circuit consists of a fully integrated proximity detector containing...