AC Voltage across diode waveform

In summary, AC voltage across diode waveform refers to the pattern or shape of the voltage applied to a diode in an AC circuit. It can be measured using an oscilloscope and provides information about the diode's behavior, including forward and reverse bias regions and changes in voltage due to AC current. AC voltage differs from DC voltage in that it is constantly changing, and factors such as frequency, amplitude, and external factors can affect the waveform.
  • #1
Kristi1994
2
0
I am wondering how the waveform of AC voltage measured across a diode would look like? What about the waveform of the resistor connected in series with this diode? Please help .
 
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  • #2
You need to show a specific circuit, but in general when the diode is forward biased it will have 0 (that's ideal; actual will be ~.7v) and when it's reverse biased it will have the AC voltage.
 
  • #3
The circuit is very simple an AC generator connected to a resistor and a forward biased diode in series. But I see what you mean, I get it now. Thanks
 

1. What is AC voltage across diode waveform?

AC voltage across diode waveform refers to the pattern or shape of the voltage that is applied across a diode in an alternating current (AC) circuit. It represents the varying voltage that is present at different points in time as the AC current flows through the diode.

2. How is AC voltage across diode waveform measured?

AC voltage across diode waveform can be measured using an oscilloscope, which displays the voltage as a waveform on a screen. The peak-to-peak voltage is typically measured from the highest point to the lowest point on the waveform.

3. What does the AC voltage across diode waveform tell us?

The AC voltage across diode waveform can tell us about the behavior of the diode in the AC circuit. It can show us the forward and reverse bias regions of the diode, as well as any changes in voltage due to changes in the AC current.

4. How does the AC voltage across diode waveform differ from DC voltage?

The main difference between AC voltage across diode waveform and DC voltage is that AC voltage is constantly changing in both direction and magnitude, while DC voltage remains constant. This results in a constantly changing waveform for AC voltage and a straight line for DC voltage.

5. What factors can affect the AC voltage across diode waveform?

The AC voltage across diode waveform can be affected by various factors, such as the frequency and amplitude of the AC current, the characteristics of the diode itself, and any external factors that may impact the circuit. Temperature and aging of the diode can also have an effect on the waveform.

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