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Propeller Head Plaza Technical and scientific discussion of amps, cables and other topics. |
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Propeller Head Plaza Technical and scientific discussion of amps, cables and other topics. |
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In Reply to: Reducing Noise by Choosing Impedances posted by Charles Peterson on December 29, 2005 at 17:15:59:
Charles, when you measured this change in noise with pot position, did you short the input to ground first?
Do you have any idea what the actual noise of the input stage of the HCA-1000 is, compared to a normal op amp?
BTW, there is already an RF filter at the input of the HCA-1000, composed of a series 1K resistor and a 200pF capactor to ground.
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Follow Ups
- Re: Reducing Noise by Choosing Impedances - john curl 22:50:13 12/30/05 (6)
- Re: Reducing Noise by Choosing Impedances - Charles Peterson 00:55:10 12/31/05 (4)
- Re: Reducing Noise by Choosing Impedances - john curl 12:14:52 12/31/05 (2)
- Re: Reducing Noise by Choosing Impedances - Charles Peterson 23:18:42 12/31/05 (1)
- Re: Reducing Noise by Choosing Impedances - john curl 14:33:45 01/01/06 (0)
- Re: Reducing Noise by Choosing Impedances - john curl 10:24:13 12/31/05 (0)
- Re: Reducing Noise by Choosing Impedances - Todd Krieger 23:07:28 12/30/05 (0)
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