This circuit with 10 MHz and 1.25 MHz TTL outputs was found in an American documentation from the 1980s. The used integrated circuit is uncommon today.
This circuit was found in a 90s Popular Electronics. The circuit uses components from that time,...
This circuit simulates a diode whose characteristics can be adjusted with a trimpot. The circuit is...
This circuit is a modification of the previous one, also found in the July 1995 Electronics Now...