Institute Newton C. Braga

Circuit Bench

Voltage Controlled Oscillator (CB23594E)
This VCO works in the opposite way to the previous circuit, converting direct voltages into...
Voltage Controlled Current Regulator I (CB19943E)
This circuit was found in documentation from the 1980s. The transistor depends on the desired...
Audio Oscillator Driven by a SCR (CIR832E)
Figure 1 shows a simple audio oscillator driven by the SCR When the sensor is closed. The circuit...