This is the circuit of a modified Heathkit kit. The circuit was found in a Radio Electronics from December 1965. The author of the circuit included improvements to the original circuit.
This sensitive circuit can be designed with FETs such as BF245 and MPF102. The sensor is a silicon...
May 2017 - Mouser Electronics already has Microchip's new MCP14A0451 and MCP14A0452 integrated...
This circuit was found in a 1966 General Electric documentation. The circuit makes use of PUTs...