Sawtooth generator (CB9143E)

Indicated for scanning circuit applications, we found this generator in a Radio Electronics from the 80s. The components used are still common today.

| Clique na imagem para ampliar |

JFET AM radio (CB22038E)
This receiver with two common JFETs was found in an old English documentation. The phone is...
Binary counter (CB22437E)
This TTL circuit with the 7493 makes the binary count of the pulses sent by a flip-flop with the...
Long interval timer (CB9365E)
This circuit was found in a Popular Electronics from the 90s. The counter circuit is not common...