Found in documentation from the 1980s, this circuit can generate signals between 6 and 8 MHz. The frequency can be slightly varied in the setting. FET is a general-purpose type.
This TTL digital circuit from Texas Instruments documentation from the 1970s used the company's SN types...
This circuit is used in transceivers, enabling input selection by diode switching through polarity...
This circuit was found in a Popular Electronics from the 80's. The circuit can be applied to any...