Why can it double the input voltage

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    Input Voltage
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Discussion Overview

The discussion revolves around understanding why a specific circuit can double the input voltage, with references to components like AC voltage sources, diodes, and capacitors. The context appears to be related to homework or introductory physics concepts.

Discussion Character

  • Homework-related, Technical explanation, Debate/contested

Main Points Raised

  • Some participants suggest that understanding the operation of AC voltage sources, diodes, and capacitors should clarify the circuit's behavior.
  • There is a suggestion to analyze the voltage waveform on C2 before delving into the circuit analysis, indicating that the output waveform may differ from the input.
  • Attention is drawn to a specific point in the circuit (point "2") that is deemed crucial for understanding how the voltage is transferred when D1 conducts.
  • Some participants express a reluctance to do homework for others, emphasizing the importance of effort from the original poster (OP).

Areas of Agreement / Disagreement

Participants do not reach a consensus on the best approach to analyze the circuit, and there are differing views on the nature of the question, with some considering it a homework problem while others emphasize the need for personal effort in understanding the concepts.

Contextual Notes

There are indications of missing assumptions regarding the circuit's operation and the definitions of terms used, as well as unresolved steps in the analysis of the voltage doubling effect.

T.Duncan
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the circuit is shown at the attached file.
Please click it to enlarge

thx for ur answer !
 

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  • voltage doubler.JPG
    voltage doubler.JPG
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Is this a homework question? If you know how AC voltage sources, diodes and capacitors all work then the answer should be obvious to you.
 
Move it to the homework section under intro physics and it will be answered in an hour or so...
 
interested_learner said:
Move it to the homework section under intro physics and it will be answered in an hour or so...

I don't think anyone on this forum is into the habit of doing homework for other people. There is an INCREDIBLE amount of help available if the OP is willing to put forth effort.
 
Some suggestions:
a)
Before trying to analyze the circuit think first how voltage wave-form on C2 must look like (Doubling the voltage does not mean that waveform of source and Vout are identical)
b)
Pay attention to point "2" of the circuit.That's crucial.When D1 conducts it's potential is effectively transferred to the bottom of C2.
 
Thread moved to the homework forums. Duncan, please show us your work so far.
 

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