This circuit was found in the February 1992 issue of Radio Electronics magazine. The circuit provides stepped frequencies as shown in the diagram.
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...