This sophisticated transmitter was found in the June 1993 issue of Electronics Now magazine. The transmitter consists of a dedicated integrated circuit of the time.
Toshiba TCKE8xx eFuse IC Toshiba provides through Mouser Electronics circuits over current...
This circuit was found in the Radio Electronics magazine of May 1990. The supply voltage depends on...
This circuit was found in an American 80's documentation. The transistor is of germanium of the...