Pseudo Random Number Generator (CB24913E)

This flip-flop circuit is from a September 1985 issue of Radio Electronics magazine. It generates random binary numbers.

| Clique na imagem para ampliar |

Light Alarm (CB18345E)
This circuit is from a Japanese magazine from 1967. The circuit uses transistors from that time,...
1 kHz Astable Using the 4070 (CB252E)
This circuit produces 1 kHz square signals using the CMOS IC 4070. The frequency is given by the...
Frequency amplifier (CB6974E)
Found in an old Radio Electronics, this circuit applies to frequency meters for frequencies up to 100 MHz....