Institute Newton C. Braga

Circuit Bench

Sub audio sinusoidal oscillator (CB8046E)
This oscillator that generates signals below the audible range (sub audio or infrasound) was found...
Window Comparator with the CA3140 (CB12151E)
This well-known configuration was found in a 1982 publication. Other operational amplifiers can be...
GPS 1575 MHz Amplifier (CB12519E)
Avago Technologies (www.avago.com) suggests the circuit in figure 1 for amplifying signals of...