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How to get 20V - 0v - 20V from 0V- 20V x 2 for my 1541A kit

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sjsiubong 發表於 2008-11-20 11:03:38 | 顯示全部樓層 |閱讀模式
Hi,
  I have this 1541A kit. It requires 20V-0V-20V.
I have this transformer that has 2 x 0v-20V (0V- 20V and 0V - 20V)
How do I connect them?

Please see the image, A or B?

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accphoto 發表於 2008-11-21 19:38:46 | 顯示全部樓層
I understanbd that it should be Option A as you require a +_ voltage regulation.
andypoon 發表於 2008-11-24 08:52:07 | 顯示全部樓層
I vote for option B. For option A you will get the two 20V secondary windings paralleled, hence the potential difference between the two 20V output will be 0V rather than 40V as in option B.
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