This low-noise, low-drift amplifier was found in a 90's EDN. It can be implemented with modern equivalent operational amplifiers. The font must be symmetrical.
This circuit was found ina 90s Popular Electronics. It is intended for switching analog video...
This circuit from a 90s Popular Electronics, decodes the old analog TV signal. It works with a...
This circuit, which appears from other sources on this site, converts a voltage into a current....