From: scottelofson (scottelofson_at_yahoo.com)
Date: 2002-02-28 18:54:15
--- In buildcheapeeg_at_yahoogroups.com, "sleeper75se" <sleeper75se_at_yahoo.se> wrote:
>
> I'm currently using LC filters formed by a ferrite bead and a 100nF
> film capacitor mounted directly on the connector. The bead has only
8
> ohms resistance at 1MHz (-15dB) and 52 ohms at 10MHz (-50dB), so it
> won't do much good for lower frequencies I'm afraid.
>
> What should I use for the amplifier inputs? If you recall, there is
> already one 10pF (common mode) and two 100pF (differential mode)
> capacitors mounted as close to the amplifier inputs as possible as
> recommended by Linear.
Hi, Andreas
Linear has modified the recommened values for the input filter:
Cxd= 1 nF
Cxcm1, Cxcm2 = 100 nF
See specification notice: http://www.linear.com/pdf/sn1167.pdf
---------
bye Scott
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