- circuit converts ac voltage into a fixed dc voltage
diode conducts when its anode voltage is higher than the cathode voltage, and it offers a very small voltage drop, ideally zero voltage, but typically 0.7 V. A diode behaves as an open circuit when its cathode voltage is higher than the anode voltage, and it offers a very high resistance, ideally infinite resistance, but typically 10 kΩ. The output voltage is a pulsating dc, but it is distorted
