Institute Newton C. Braga

Circuit Bench

LED strobe CIR11912S (CB19565E)
CMOS 4046 (PLL) is not very common. In this circuit it generates short pulses to excite a high...
Electret FM transmitter (CB16026E)
This transmitter has a range of approximately 50 meters and operates in the FM range with a...
Audio Visual Thermometer (CB18469E)
This circuit was found in a 1974 publication. It provides a tone indication of the temperature sensed by...