This nice function generator circuit with the XR2206 was found in the May 1977 Radio Electronics magazine. The circuit has a transistor output stage.
This circuit was found in a 1974 publication. It provides a tone indication of the temperature sensed by...
This is a simple rheostat circuit for motor control that works with voltages from 6 to 12 V. The...
This circuit with TTL compatible output was found in a 1968 US documentation. The circuit is...