With this simple circuit it is possible to simulate a telephone line for carrying out repairs on telephone sets. The transformer must be 36 V and the diode can also be 1N4004.
This circuit is from Motorola's Linear Interface ICs from 1993. The circuit uses a booster...
Found in a 90s Popular Electronics, this circuit is intended for amplifying analog video signals....
The figure shows a NOR or Non-OU logic function shield using general purpose diodes and a common...