PSN-L Email List Message

Subject: Damping Resistor
From: Geoff gmvoeth@...........
Date: Sun, 5 Feb 2012 18:56:30 +0000


Is anyone able to comment on this expression
to get a value for the damping resistor ?

Rd = (Rg/(sqrt(2) - 1))

So like if Rg = 438 Then
Rd = 1058

and this means

Ge = G * Rd/(Rd + Rg)

And, So that

G = 2.99 V/(in/sec)

Ge - 2.114 V/(in/sec)

For Winquake this becomes

2.114/2.54 = 0.83228 V/(cm/sec)

Would this be the value for the sensor in
Winquake and Winsdr ?

I'm just trying to get meaningful numbers for these programs.

Regards,
geoff
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