The integrated circuit used in this trigger is uncommon today. We found it in a documentation from the 70s. The circuit operates with signals up to 50 kHz.
This is the application note circuit of the integrated circuit used with the LASER diode. The...
Suggested by a 1990 book for amateurs, this circuit makes use of an integrated component that is...
Found in Popular Electronics from the 90s, this circuit generates two tones that are selected by a...