Found in documentation from the 1990s, this circuit drives an SCR with a delay that depends on C1 and can be set to R1. The load depends on the SCR.
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...