We found this circuit in an old documentation for radio amateurs. The circuit uses an analog indicator. The characteristics of the coils are given next to the diagram.
July 2017 - Microchip's new MCP9V91 operational amplifiers with input offset and low drift voltage...
Found in Popular Electronics from the 90s, this signal tracer or tracer can be used with the inner...
The FAN1117A and FAN1117A-5 integrated circuits from Fairchild consist of fixed and adjustable...