Fuel Gauge (CB26016E)

This automotive circuit was found in the June 1997 issue of Electronis now magazine. The circuit uses a common operational amplifier powered by 12 V.

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Overtemperature Alarm (CB26158E)
This circuit was found in the Electronics Experimenter Handbook from 1991. The sensor is a diode...
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This circuit can be used on audio, video, or data links to receive modulated infrared signals. The gain is...
AM Modulator 78xx (CB15167E)
With this circuit it is possible to obtain a voltage modulated in amplitude with a maximum current of...