The figure shows how to couple two TTL circuits using an optical coupler to obtain isolation. The circuit is shown in the August 1992 issue of Radio Electronics magazine.
This circuit is used in the analog part of the telephone lines. The same circuit can directly...
In this project, from a Japanese magazine of 1973, only one channel of a stereo amplifier of 20 W...
Molex Sealed Industrial USB Solutions achieve superior signal integrity in harsh factory and...