I don't suppose you could check my maths too could you please?
My output is a
My input is a -10dBV unit
I used this web page to convert both
into a peak-to-peak voltage...http://www.sengpielaudio.com/calculator-db-volt.htm
-10dBV = 0.894427191
Then I did one over the other to get the
gain I need...
0.894427191 / 3.47232701 = 0.25758725731307201967708680755849
I then worked out the voltage gain for the attenuators listed...
-10dB = 0.316228
-15dB = 0.177828 gain
Since -10dB is still a little too much gain
(though probably ok) I think I need the -15dB one, then there's a little extra headroom
(which going into a 24bit ADC is no bad thing).
Have I got that right?