This oscillator was found in a 1967 General Electric documentation. The UJT is P-channel, an unusual type today.
The clock circuit shown in the figure is suggested by Murata and is based on a ceramic resonator of the...
The operational amplifier of this configuration from the 70s is the 741 in its Motorola version from...
This circuit was found in the September 1971 Radio Electronics magazine. The buzzer can be...