This circuit was found in an Electronic Design from the 90s. The circuit uses a type J thermocouple that can measure from -50 to + 100º C. Power is provided by a 3 V lithium battery.
Found in Electronics Now from the 90s, this circuit can use any general-purpose transistor. The power...
This circuit provides two outputs of the same signal. One with the original phase and the other...
We found this circuit in a Radio Electronics magazine from April 1988; The output timing is given...