This 3-digit circuit was found in the 1992 special edition of the Radio Electronics Handbook. The circuit produces a standard voltage for bench testing.
With the values of the components indicated, this timer controls intervals from a few seconds to a...
This 80's circuit uses a light-sensitive SCR or LASCR and a one-sided silicon switch SUS, uncommon...
This circuit, found in ancient US documentation, allows you to switch the antenna from the...