spl trace

testarossa2k · 8th November 2007, 06:21 PM

Hello,

I have a problem with SPL trace. The trace stop before the frequency I have choosen, before reaching 20.000 it says"Specifed limit trace has been reached".

Other time it goes well beyond the end of the graph.

I'm triying to trace the FT of the Fostex FF225K and the FT17H.

What can I do?

jnb · 8th November 2007, 07:48 PM

Did you set the upper/lower dB and upper/lower (left/right) frequencies before starting the trace?

testarossa2k · 8th November 2007, 08:14 PM

Quote:

Did you set the upper/lower dB and upper/lower (left/right) frequencies before starting the trace?

yeah

DcibeL · 8th November 2007, 11:10 PM

My traces usually go a little over the limit line. I think it has to do with the image scaling to make the image fit the screen that screws up the proportions a bit. Open your trace up in SPLView and compare. Do they match? Also, after to set you limits, just move your cursor around and see if the numbers at the bottom line up well with the graph. If they do, then I wouldn't worry too much.

I had a heck of a time tracing an impedance plot that was on a logarithmic vertical scale. I couldn't get the numbers to match if I set the low impedance to 0.

8th November 2007, 06:21 PM	#1
testarossa2k diyAudio Member Join Date: Dec 2005 Location: Bologna	spl trace Hello, I have a problem with SPL trace. The trace stop before the frequency I have choosen, before reaching 20.000 it says"Specifed limit trace has been reached". Other time it goes well beyond the end of the graph. I'm triying to trace the FT of the Fostex FF225K and the FT17H. What can I do?

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8th November 2007, 07:48 PM	#2
jnb diyAudio Member Join Date: Dec 2006	Did you set the upper/lower dB and upper/lower (left/right) frequencies before starting the trace?

8th November 2007, 11:10 PM	#4
DcibeL diyAudio Member Join Date: May 2003 Location: Saskatchewan	My traces usually go a little over the limit line. I think it has to do with the image scaling to make the image fit the screen that screws up the proportions a bit. Open your trace up in SPLView and compare. Do they match? Also, after to set you limits, just move your cursor around and see if the numbers at the bottom line up well with the graph. If they do, then I wouldn't worry too much. I had a heck of a time tracing an impedance plot that was on a logarithmic vertical scale. I couldn't get the numbers to match if I set the low impedance to 0.

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