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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Turntable Circuit (CB24357E)
This is the circuit of a turntable from the 1970s. We found it in a repair article in the December...
24 Hour Clock (CB6462E)
This circuit divides the grid 60 Hz frequency to obtain 20 Hz to drive mechanical watches used at...
Audio Amplifier CA3080 (CB20022E)
This small audio amplifier uses an uncommon integrated circuit today. The circuit is from a...