(Figure below) The corresponding netlist is in Figure below.įull-Wave Voltage Doubler Operation Analysis The full-wave voltage doubler is composed of a pair of series stacked half-wave rectifiers. v(2) half-wave rectifier stage, which is the doubler output. Waveform v(2) is the output of the doubler, which stabilizes at 10 V (8.6 V with diode drops) after a few cycles of sine wave input. D1 conducts waveform v(1) (figure below), charging C1 to the peak of the sine wave riding on 5 V DC (figure below v(2)). Thus, rectifier D1 sees a total of 10 V at the peak of the sinewave, 5 V from generator and 5 V from C2. Note the polarities of the generator and C2, series aiding. C2 is now in series with the voltage source.

Diode D2 is out of the circuit since it is reverse biased. This is the operation of the clamper.ĭuring the positive half cycle, the half-wave rectifier comes into play at Figure(c) above. The left end is charged at the negative peak of the AC input. The right end is grounded by the conducting D2. Referring to Figure(b) above, C2 charges to 5 V (4.3 V considering the diode drop) on the negative half cycle of AC input. Half-wave Voltage Doubler Operation Circuit Analysis Half-wave voltage doubler (a) is composed of (b) a clamper and (c) a half-wave rectifier. C2 has been added to a peak detector (half-wave rectifier). The half-wave voltage doubler in Figure below (a) is composed of two circuits: a clamper at (b) and peak detector (half-wave rectifier) in Figure prior, which is shown in modified form in Figure below (c). This is the input to a switching regulator producing lower voltages for powering, say, a personal computer. The 120 V position of the switch rewires the bridge as a doubler producing about 300 VDC from the 120 VAC. The supply uses a switch selected full-wave bridge to produce about 300 VDC from a 240 VAC source. Voltage DoublerĪ voltage doubler application is a DC power supply capable of using either a 240 VAC or 120 VAC source. We’ll first go over several types of voltage multipliers-voltage doubler (half- and full-wave), voltage tripler, and voltage quadrupler-then make some general notes about voltage multiplier safety and finish up with the Cockcroft-Walton multiplier. Any load in a practical circuit will lower these voltages. Thus, it is possible to get 200 VDC from a 100 Vpeak AC source using a doubler, 400 VDC from a quadrupler. A voltage multiplier is a specialized rectifier circuit producing an output which is theoretically an integer times the AC peak input, for example, 2, 3, or 4 times the AC peak input.

Rangkaian clipper dengan dioda zener