This physical line servo control uses components that are not currently common. The circuit is from an 80's documentation and is powered by a voltage according to the servo.
This circuit uses a general-purpose transistor and has waveform adjustment. We found it in an...
This 1 kW circuit was found in documentation from the 90s. The sensor is a thermistor, and the...
The purpose of this modified astable is to make the initial pulses have the same duration as the...