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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Linear Ramp Generator (CB4691E)
This circuit with JFET and Unijunction was found in an ancient American documentation. The...
Single Bridge Circuit (CB4798E)
This metering bridge circuit uses one power supply only. The operational ones depend on the...
Transistor Srhift Register (CB14818E)
We found this configuration in the 1964 RCA transistors manual. As indicator loads in each stage,...