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.
Found in a 90s Electronic Design, this circuit generates harmonics from a sinusoidal input signal....
Danger always exists and a nuclear war could be underway. Although we can't do more than detect the...
The presented circuit is suggested by Texas Instruments (www.ti.com) in its Application Report...