This two-transistor circuit was found in the August 1972 issue of Radio Electronics magazine. The coil is a common IF transformer for transistor radios. The signal generated is rich in harmonics.
July 2017 - Microchip's new MCP39F511 demonstration and development boards, which consist of...
This circuit, which controls both the temperature and the level of a liquid in a reservoir, was...
This circuit provides a constant current of 1 mA, stabilized by an LED, which can be equivalent to that...