RTD Temperature Meter (CB25463E)

This circuit with RTD sensor was found in the Radio Electronics magazine of April 1992. At the output we have 1 mV for each degree Celsius.

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SCR Trigger Circuit (CB16413E)
In the figure we have a very simple trigger circuit for an SCR that powers a 12 V lamp whose...
Precision Time Control using a PUT (CB12337E)
With the use of precision resistors and capacitors, this circuit with programmable unijunction transistor...
15W Stage (CB23628E)
This 15 W power stage was found in Radio Electronics magazine from August 1959. The transistors are the...