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Old 22nd July 2007, 09:02 PM   #1
Ryssen is offline Ryssen  Sweden
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Default WTB:PCB for low noise measuring amp

http://www.tangentsoft.net/elec/lnmp/
He is out of them,so I wonder if anyone have got a spear one...?
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Old 22nd July 2007, 09:27 PM   #2
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how much gain do you need? what about adapting one of these:

http://madaboutsound.com/prod_det.asp?product_id=6
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Old 23rd July 2007, 07:52 PM   #3
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Don´t know,20-40 times maybe,I thought of measuring ripple on regulators (low voltage)and more.The lowest setting on my scope is 5mv.Is there a schema for the pcb you linked to,(tried to find one)Maybe insert a pot or a sensetive switch.
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Old 23rd July 2007, 07:59 PM   #4
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http://mysite.verizon.net/tammie_eri...2/pre2_sch.gif
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Old 15th August 2007, 03:24 PM   #5
Ryssen is offline Ryssen  Sweden
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If anyone wants a board for the LNMP from wyoung@tangentsoft.net
hes making a new batch now..
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