15W Amplifier (CB6284E)

This circuit was suggested by Texas Instruments in a 1968 publication. The transistors are of the time, and modern equivalents can be used.

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Water Pump Automatic Control (CB18626E)
This circuit was found in a 2006 publication. It uses discrete components and CMOS that are still...
Electronic Thermometer (CB15076E)
The sensor of this circuit is a common diode, and the measured range is from -10 to + 40º C. The...
Digitally Controlled Pulse Width Modulator (CB14367E)
The circuit presented was found in the Linear Applications Handbook of the National Semiconductor of 1994....