Why Does My Clipping Circuit Diode Pass Negative Voltage Instead of Only Positive?

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#1 21671860 04 Jul 2014 05:09

Bhuvanesh Nick Bhuvanesh Nick

Anonymous

Post #1
21671860 04 Jul 2014 05:09

First i admit i am weak on basics.See the image, i am measuring the voltage across the diode.Actually it only passes positive wave,but it also passing negative value.what i misunderstood here.
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#2 21671861 04 Jul 2014 08:40

Victor Lima Victor Lima

Anonymous

Post #2
21671861 04 Jul 2014 08:40

That's because you are measuring voltage directly on the source. To see the rectified wave, you should measure between the diode cathode and referential (ground), as the picture below, but with a load (resistor)
#3 21671862 06 Jul 2014 17:17

John Schmitz John Schmitz

Anonymous

Post #3
21671862 06 Jul 2014 17:17

Put a resistor in series with the diode and then measure the voltage across the diode. You will then see what the diode is doing.
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Why Does My Clipping Circuit Diode Pass Negative Voltage Instead of Only Positive?

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