This circuit is from a 1969 Electronics World. It generates 100 kHz sinusoidal signals determined by the crystal. Capacitors must be ceramic.
Found in American documentation from the 90s, this circuit is ideal for wearables and can be...
June 2017 - New high power TVS for high-power retention applications with bi-directional features...
The figure shows how to use a varicap in a conventional tuning circuit. The circuit may be an...