Suggested by General Electric in a 1970 document, this circuit uses a LASCR, or SCR fired by light. This component is uncommon today.
We found the circuit of this Japanese transistorized commercial receiver in a documentation from...
In the figure we have a constant current source for Shape Memory Alloy or (Nitinol). The...
We found this circuit in the Texas Instruments opto-electronics manual. The button resets and the...