Institute Newton C. Braga

Circuit Bench

Two Transistors Constant Current Source For LEDs (CB14631E)
The circuit shown is from a 1978 Texas Instruments optoelectronics manual. The circuit can use...
Reinartz Oscillator (CB25318E)
The coils determine the frequency of this oscillator that we found in the January 1996 issue of...
UJT and SCR with negative supply (CB21476E)
In the figure we have a negative power circuit for SCR and unijunction transistor suggested by...