These are part of AC to DC conversion. A half-wave rectifier keeps only the positive part of the signal. A full-wave rectifier also keeps the negative part, but flips it to make it positive too.
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3answers
90 views
Driving Permanent Magnet DC Motor via PWM
SUMMARY:
I am currently trying to finish up a DIY project I've been working on for a while: Building an electric potters wheel. I acquired a treadmill and salvaged quite a few good parts from it, and ...
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4answers
125 views
How do I attach a bridge rectifier to a PCB or breadboard?
Newbie question here...I need to know the proper terminology so I know what I'm looking for. I have a bridge rectifier that has four flat blades on the bottom.
I want to throw it on a breadboard to ...
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2answers
73 views
easiest way to detect a switch change using an arduino
I have a pinball machine thats an old electro mechanical type. I want to add LED's and do some fancy programming on an Arduino to animate the lights according to the score value of whatever target ...
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1answer
99 views
Capacitor in an voltage doubler
In a standard diode voltage doubler (multiplier):
Does the capacitor also plays the role of smoothing out the output voltage?
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2answers
144 views
bridge rectifier connected to a raspberry pi gpio
I'd like to connect a bridge (full wave) rectifier to my Raspberry Pi (RPi), GPIO pin 22 (configured as an input). I have configured the rectifier such that it has a 120VAC input and 3VDC output (I ...
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1answer
98 views
Common DC ground with two bridge rectifiers
I have an old AC transformer with many taps off it at different voltages. Connecting a voltmeter to tap 2 and tap 3 gives 25V and connecting it to 3 and 4 gives 5V. I connected them to two bridge ...
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1answer
137 views
How does one compute the ripple currents seen by a rectifier filter capacitor?
Suppose one is designing a full-wave rectifier bridge, with a known maximum current load, and a known input inductance. Assume three-phase for this example, though the same concept applies to ...
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2answers
143 views
Voltage doubler or not?
I got a quick question! Is the circuit depicted in the link indeed a voltage doubler or is it just a bridge rectifier with smoothing capacitors?
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1answer
100 views
Can I use more diodes to reduce the voltage off a diode bridge?
I have a transformer labeled as providing 9Vac, 3.36 A. It appears to provide 9.4 v ac according to my multimeter.
It runs through a diode bridge (WAB 040 diodes -- already fried the last version), ...
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4answers
156 views
Can I use single phase 220v AC to power a rectifier designed for 3 phase AC?
I want to use a use a rectifier (Eltek Aeon SMPS 4000 Rectifier, used in telecom) as a stand alone DC power supply (puts out 24v/125a). The unit was designed for 3 phase 220v AC input. I have only ...
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2answers
183 views
LTSpice simulation of rectifier slows down after short time
I have the following simple circuit set up in LTspice:
Blue is on the output of the transformer and green from the rectifier.
If I don't include a capacitor this works fine and the simulation goes ...
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1answer
165 views
10V DC Power Supply help
I've been researching power supply design techniques and information for the last few days and feel like I have a good understanding of how this is to work, but I can't seem to get my simulation to ...
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1answer
64 views
Vrip equation doesn't seem to work
Okay I got a question on how to design a full wave rectifier circuit.Okay I just read a text-book of malvino's principles on electronic and devices.
Let me tell you I have an input voltage of 64 ...
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2answers
173 views
Can I make a rectifier to convert from AC to DC?
I have a project that calls for an 18VDC power supply. I've found one that meets specs online for about $40.00, and I've found an 18VAC power supply that meets specs (apart from being AC) at my local ...
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2answers
368 views
Why do we use bridge rectifier?
If we already having a center tap rectifier with just two diodes doing the same work then why is there a need to use four diodes or the so called Bridge rectifier.
