This circuit was found in a 1964 Electronic Design. It generates opposite phase signals from an input signal. Modern equivalent transistors can be used in the same configuration.
We found this circuit in an Analog Devices documentation from the 90s. The circuit is based on a...
This circuit turns off a load after an interval of 8 to 80 seconds adjusted on the potentiometer. The...
Found elsewhere in this section, this circuit is from the April 1971 Radio Electronics magazine. Note...