Institute Newton C. Braga

Circuit Bench

Cable Finder Transmitter (CB18623E)
The signal from this transmitter is injected into a cable that you want to follow along a...
Mid-Range Filter (CB25143E)
This midrange filter for sound systems was found in the May 1988 issue of Radio Electronics...
1 MHz TTL Oscillator (CB15687E)
The TTL circuit shown in the figure generates a 1 MHz rectangular signal depending on the 20-200 pF...