This is a typical circuit of a PROM programmer from the 70s. It appeared in the magazine Radio Electronics in 1979. Note that the programming was done manually byte by byte using switches.
This circuit was found in a 2005 Linear Technology component manual. The circuit is full bridge...
The source used in this timer is of the type without transformer and regulated by the 7 W zener. The...
This circuit detects the sound of thunder, assessing its intensity and thus the distance of a...