Subject: Re: [linux-audio-dev] Writing a driver for this card: your thoughts?
From: Paul Davis (pbd_AT_op.net)
Date: Tue May 28 2002 - 06:10:52 EEST
>immune to the PC's internal noise. But it all goes to proper design. The
>Antex SX series of cards likewise contain internal A/D converters. I have
>measured the noise figures of the Antex SX-36 we have at WGCR using state of
>the art audio systems analyzers, and the noise floor is below the LSB
>threshold. All due to balanced I/O, sound PC layout techniques, and top of
>the line components.
Just FYI, RME make all the same claims on their website about their 8
channel analog "daughterboards" for the Hammerfall.
>In a high RF environment, unless the converters are optically isolated from
>the PC, you might be asking for trouble. When I say 'high RF' I'm talking
>10KW of AM transmitter fifteen feet away, with a measured RF field intensity
>of 105V/m (the ANSI exposure limit is around 645V/m). This means a one meter
>piece of wire that isn't properly grounded can develop 105V of RF energy. I
>have suffered RF burns of appreciable intensity touching wires that weren't
>connected to anything on either end -- they were just oriented along the
>field gradient.
Just Say Fibre Optics :) Who needs AES or MADI when you've got ADAT? :)
--p
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