Heater for photo development (CB21390E)

Found in a 1965 General Electric documentation, this circuit is intended to control a 150 W lamp used as a heating element for developing photos.

| Clique na imagem para ampliar |

Triac Dimmer 1 (CB20703E)
Found in documentation from the 1980s, this circuit is used for resistive loads (incandescent...
Simple AM radio ZN416E (CB8203E)
The ZN416E integrated circuit is uncommon today. It consists of a complete radio, like the one...
omplex Signal Generator or Ramdom Pulses 4093 (CB13173E)
C The combination of rectangular signals of different frequencies and intensities can result in...