Relay driver (CB20549E)

Found a documentation on PCs from 1996, this circuit can be used as a shield. The relay is rated at 100 mA of coil current.

Dual power supply with the 741 - I (CB1183E)
This circuit was obtained in an English publication of 1975. It is a regulator circuit for...
Electroscope or Proximity Alarm (CB16703E)
This sensitive electrostatic charge detector uses only common discrete components. The circuit can be...
Temperature to Pulse Width Converter (CB14376E)
The circuit presented is based on the National Semiconductor's LM3524, a component not common...