Institute Newton C. Braga

Circuit Bench

1 kHz High Pass Filter with the LM3900 (CB14187E)
The circuit shown is from the 1994 Linear Applications Handbook from National Semiconductor. Other...
Universal Preamplifier (CB25699E)
We found this universal preamplifier circuit in a March 1994 Electronics Now. It has several types...
15 V x 1 A power supply with Shutdown LM340 (CB14264E)
We found this configuration in the Linear Applications Handbook of the National Semiconductor of...