This high voltage amplifier is based on Elantec components based on high voltage feedback. The supply voltage range is 50 to 230V symmetrical and the quiescent current is 56 mA.
The relay of this circuit closes when the position set in P2 is reached by the sensor...
This circuit is intended to monitor the flame of gas heating systems that must always have a small...
This circuit makes use of an old operational one to generate clock signals that depend on the...