This circuit is for traditional old-style telephone lines found in an American 1980s documentation. Components are common and the optical coupler can be replaced with an equivalent.
Microchip Continues Expansion of AVR Microcontroller Product Line with Addition of Three New...
The coils of this simple mid-wave radius are wound 28 or 26 on a 12 to 30 cm long ferrite rod and the...
We found this circuit in an old American publication. It is possible to test common FETs using a...