This circuit is from a Radio Electronics from December 1964. The components are from the time and modern equivalents for transistors and diodes can be used.
This circuit can be used in fiber optic links or even direct links to microcontrollers and other...
Suggested by Hughes in 1968 documentation, this circuit makes use of a transistor matched pair and...
This 600-ohm line driver was found in a 1980s documentation. The integrated circuit used is not...