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.
This circuit is from an old documentation making use of a 3,579,645 MHz analog color television...
The circuit of the figure serves the same purpose as the previous one (CB5057E), but has a...
This power supply is indicated to power small loads up to 30 mA. The original output voltage is 6...