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.
The pulses applied to input C of the SAA1027 integrated circuit determine the engine speed. Each...
In the figure we have 3 monostable circuits for triggering without rebounds of CMOS circuits. The...
This integrated consists of a mono amplifier for battery powered recorders and radios. The load...