This circuit appears elsewhere in this section and on this site. The circuit generates a linear ramp having been found in 1980s documentation. The transistor is a general purpose type.
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...