Institute Newton C. Braga

Circuit Bench

RF Wattmeter (CB4886E)
This watt meter was found in an old telecommunications documentation. The circuit is interspersed...
555 Sequencer (CB3981E)
This circuit generates sequence of pulses in order and times determined by the capacitors in pins...
DC power source with transistor (CIR22516E)
This circuit was published in the Radio Electronics magazine of September 1950. The transistors are from...