Institute Newton C. Braga

Circuit Bench

Measuring temperature with the multimeter (CB24904E)
This circuit was found in the June 1985 issue of Radio Electronics magazine. The idea is to use a...
Tone Control Mixer (CB4918E)
The integrated circuit used in this 80's mixer is the LM301A. However the circuit can be used to...
30 and 50 V power supply (CB8678E)
This source was originally suggested by Delco in a 1969 documentation to power amplifiers up to 50 W. The...