Found in a 1967 American documentation, this circuit produces a pulse with a delay that depends on the components used. The operational is from the time.
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...