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.
This circuit encoded audio signals from two sources (stereo) to make their transmission by single FM...
This 6-transistor Japanese commercial radio was manufactured in the 1960s. The receiver is a super...
Found in McGraw Hill documentation from the 1990s, this circuit supplies high voltage to the...