Flash-activated flash (CB6749E)

This circuit was suggested by General Electric in 1970 documentation. It makes use of a photo-SCR or LASCR, an uncommon component today.

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Inverter and programmable rectifier (CB8781E)
Found in a 90s Maxim's documentation, this circuit applies to almost any comparator. | Clique na...
Temperature sensor with frequency output (CB25386E)
Using a V/F converter this circuit was found in the June 1991 issue of Radio Electronics magazine. The...
Relaxation oscillator Using Bipolar Transistors (CB884E)
The frequency in this circuit is adjusted by P1 and given by C1. Short pulses, as the ones...