Institute Newton C. Braga

Circuit Bench

Second Order High Pass Active Filter MC34071 (CB15295E)
Other operational amplifiers in the series, such as the MC34072, MC34074, MC35071, MC35072,...
Tunnel Diode Remote Control Transmitter (CB22572E)
This circuit for the 11-meter band, operating at 29.255 MHz was found in a Radio Electronics dated...
Time Light (CB16941E)
In this circuit, the relay remains closed by activating a lamp, for a time that depends on the...