Headphone amplifier (CB7100E)

This high impedance headphone amplifier was found in American documentation from the 1990s. Any general-purpose FET can be used.

| Clique na imagem para ampliar |

Infrared receiver (CB6836E)
Found in old documentation, this circuit uses components that are still common on the market. The...
Multi Optical Sensor (CB20345E)
This circuit activates a relay by activating one of a series of optical sensors that can be...
Infrared Remote Control Test Receiver (CB18803E)
We found this circuit in a 1996 publication. Equivalent components can be tried, especially in the...