This circuit was found in a 1968 US publication. Transistors used are uncommon today. The circuit can be adapted to operate with modern equivalent components.
We found this circuit in the February 1989 issue of Radio Electronics magazine. The selectors are...
This circuit, which generates a linear sawtooth signal, can be used in a frequency-band...
This Audio System circuit was found in 1965 documentation. It is a 50 ohm line circuit with 22 dB...