This circuit is from an Electronics World of 1968. The transistors are of the time and the power is supplied with a voltage of 40 V. The circuit is high fidelity.
This Phase-Shift Oscillator produces sine low frequency signals suitable for many applications. It...
This circuit was published in a 1977 Radio Shack catalog. The PNP transistor may be BD135 and NPN...
MCP19124/5 Contains Independent Voltage and Current Control Loops Plus a Full Suite of...