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23rd October 2009, 03:44 PM
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#1 |
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diyAudio Member
Join Date: Apr 2006
Location: Québec
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stability of my preamp
Hi Guys,
i want check the stability of my preamp, but i don't know what's value of capacitor can i put of the output. I have a one pair of k170/j74 for output stage running at 7mA. Thank's! Maxpou |
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25th October 2009, 03:12 PM
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#5 |
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diyAudio Member
Join Date: Aug 2008
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I would rearrange the feedback loop so it is tied together with the actual output. As it is arranged now you get the feedback from the input of the output stage, and the voltage droop within the output FETs is not taken care of. Might also affect stability.
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