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1. LF: Linux DDS program (score: 1): Author: Paul Nicholson <[email protected]>; Date: Sun, 31 Jan 2016 20:46:54 +0000; Here's a DDS program for Linux PC and Raspberry Pi, http://abelian.org/ebnaut/ebsynth.shtml Intended for sending EbNaut but can be used as a standalone signal generator. I've been testing it in the n; /rsgb_lf_group-archives/html/rsgb_lf_group/2016-01/msg00436.html (8,518 bytes)
2. Re: LF: Linux DDS program (score: 1): Author: Paul Nicholson <[email protected]>; Date: Mon, 01 Feb 2016 20:09:29 +0000; I squared up the soundcard output with a Schmitt trigger and the 3rd harmonic of 45.9 kHz comes out very nicely at 137.7 kHz. Also the 7th harmonic of 68142.857143 Hz gives a nice pure note at 477 k; /rsgb_lf_group-archives/html/rsgb_lf_group/2016-02/msg00013.html (8,567 bytes)

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