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 was found in a Signetics documentation from the 1980s. Next to the figure are the...
This circuit was found in documentation from Analog Devices from the 90s. The circuit uses...
This sophisticated decade of benchtop resistors was found in the November 1989 issue of Radio...