Light Controlled Blinker Indicator (CB6745E)

Suggested by General Electric in a 1965 publication this circuit uses a light bulb. Can be changed to use LED and capacitor can be 22 uF.

| Clique na imagem para ampliar |

Signal Follower (CB4240E)
This 80s signal follower makes use of an audio amplifier of the era. The circuit can be adapted to...
Telephone amplifier with LM386 IC (CB967E)
The circuit shown is only for analog telephone lines. I found it in Popular Electronics (1991). It...
1 kHz CMOS VCO (CB1528E )
We found this circuit in a 1977 CMOS oscillators documentation. The power can be sourced with...