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 matches a source of high or medium impedance audio signals with a low impedance...
Found in a 1993 Electronics Hobbyst Handbook, this circuit uses components that are still common...
This pulse width-tuned circuit was found in the March 1996 issue of Electronics Now magazine. The...