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發表於 2012-4-19 12:55:41
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本帖最後由 天下第一刀 於 2012-4-19 12:58 編輯
kt8805 發表於 2012-4-19 11:13 
In the case of power supply design for audio, we may consider
peak output current; average and peak ...
It's for preamplifier power supply only, Chinese'前級電源'mean preamplifier power supply.
In the good sound HIFI, We don't care the efficiency in power supplies ,
In the power supply design , all parts must working in linearity, including
the resister that parallel with the transister, That's why I use 220 ohm
parallel in TL431.
For efficiency ,you can adjust I2=1/2(I1)
Do you want to design a +_50V Class A power supply for power AMP. ? |
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