This 800 Hz sinusoidal oscillator was found in a 1970s American documentation. The transistor supports a modern general-purpose equivalent. The frequency is given by the RC network that can be changed.
We found this circuit in a Poptronics from 1998. The circuit can be extended to more competitors...
November 2016 - Mouser Electronics is makingToshiba's new TLP78x and TLP79x isolation amplifiers...
This system makes use of incandescent lamps only and uses a SCR with a full wave bridge for powers...