Found in a 1968 publication, this circuit generates signals with the waveforms shown next to the diagram. Modern equivalent transistors can be used.
This circuit produces the ticking of a clock on a common piezoelectric transducer. The circuit has an...
The basis of this circuit is a double T in the feedback, which has the components calculated to...
This configuration was found in the Texas Instruments optoelectronics manual. PNP transistors...