Current Booster (CB6787E)

This circuit was suggested by Linear Technology in documentation from the 90s. The circuit applies to modern operators with modern transistors.

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MW Micro Radio (CB11836E)
This simple receiver picks up local MW stations with playback on a small speaker. The antenna must...
Immobilizer for car (CB26287E)
This circuit deactivates the ignition system after a certain time when you leave the vehicle. In...
Humidity Alarm (CB18478E)
This conventional humidity or water alarm circuit was found in an English documentation from 1974....