This simple signal generator with transistors was published in Radio Electronics magazine in November 1957. The circuit generates signals determined by the coil and modulation by the transformer.
This circuit was found in a National Semiconductor manual from the 1980s. The integrated circuits used...
This circuit was found in Motorola documentation from 1968. Transistors can be modern equivalents, just...
This circuit was obtained from an English documentation, with the purpose of carrying out the...