This 130 V drive uses an integrated circuit not very easy to find, which is the LM143. The circuit is suggested by National Semiconductor in its 1994 Linear Applications Handbook.
We found this circuit in an English publication from 1980. It provides a logical output signal when...
This circuit was found in a 1980 documentation. The triac used is of the TIC226D type which in the...
The integrated circuit used is a dual 555 CMOS. The circuit is from an English documentation and...