In this circuit R1 is 56 ohm and R2 is 220 ohm for the 110 V network. SCRs are according to the load. We found it in Philips 1968 documentation.
The purpose of this circuit is to extend the range of frequency meters (typically up to 30 MHz) to...
This half-wave control is used for resistive loads of up to 200W with the TIC106. The diode can be...
This interesting source or isolation transformer also allows to vary the output voltage by...