This high impedance step suggested by an English publication can operate up to 1 MHz with 1 V rms output. Input impedance is 1 M ohm.
This circuit is intended to monitor the flame of gas heating systems that must always have a small...
This circuit deactivates the ignition system after a certain time when you leave the vehicle. In...
This circuit was obtained in a technical publication from the 1970s. It fires a diac and thus a...