Retriggerable JK Flip Flop (CB25122E)

This circuit is from an April 1988 Radio Electronics magazine. The circuit is retriggerable and has complementary outputs.

| Clique na imagem para ampliar |

Thermostatic relay (CB21285E)
We found this circuit in an old QST magazine. The circuit is powered according to the thermostatic relay...
SCR circuit breaker (CB8901E)
This circuit was found in a 90s Popular Electronics. The components are from the era. R3 must be...
Analog Multiplier (CB7930E)
Found in a 1968 EEE, this circuit accepts frequencies from 1 to 1000 Hz and control voltages from 0.1 to...