100 mA Line Driver (CB20921E)

This low distortion circuit was found in 80's Analog Devices documentation. The used integrated circuits are not very common today.

| Clique na imagem para ampliar |

AC to DC converter (CB16696E)
This circuit was found in a 1992 publication, using an operational amplifier not very common...
Earphone Amplifier (CB416)
This is a amplifier for XTAL high impedance earphones or piezoelectric types. Current drain is...
Relay Shield LM111 (CB20168E)
This circuit is from the LM111 manual of the 1980s. The component no longer exists, but...