Institute Newton C. Braga

Circuit Bench

Musical Bell (CB16514E)
We found this circuit in a 1998 documentation. It generates a musical melody tone obtained from a...
Tuned Band Notch Filter LM107 (CB15472E)
An interesting and versatile filter circuit, suggested by National Semiconductor is the one shown...
MM5316 Clock (CB24259EE)
Published in the September 1973 issue of Radio Electronics magazine, this diagram may be useful to...