Temperature Sensor (CB6022E)

This circuit was obtained from an 80s factory manual. The integrated circuits used are uncommon today, but the diagram is for reference only.

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Self-biasing JFET stage (CB25566E)
This circuit was found in Electronics Now magazine and can be applied to any JFET. The circuit has high...
3 Tone Oscillator (CB4187E)
This circuit appears in other articles and suggestions for circuits in this section from other...
Signal Follower (CB1356E )
If you have a common analog multimeter, you can increase its input resistance in the measurement of...