Temperature controller LM3911 (CB21281E)

This circuit is from a Popular Electronics from the 90's. The circuit provides an output for a control stage.

Lights On Reminder (CB12637E)
This circuit activates the horn if the door is opened with the headlights on. The circuit is for...
High Side Transimpedance Amplifier (CB5228E)
This circuit for Laser Diode power was found in a 2005 Linear Technology manual. In the diagram...
Grounding Test (CB13252E)
This circuit tests whether electronics are properly protected with internal grounding. If the...