Return-Path: Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-dk02.r1000.mx.aol.com (Internet Inbound) with ESMTP id EB3DB380000A1; Thu, 10 Jan 2013 07:02:38 -0500 (EST) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1TtGp2-0002lb-46 for rs_out_1@blacksheep.org; Thu, 10 Jan 2013 12:01:24 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1TtGp1-0002lS-I1 for rsgb_lf_group@blacksheep.org; Thu, 10 Jan 2013 12:01:23 +0000 Received: from nina.ucs.mun.ca ([134.153.232.76]) by relay1.thorcom.net with esmtps (TLSv1:AES256-SHA:256) (Exim 4.77) (envelope-from ) id 1TtGoy-0005ZF-Dp for rsgb_lf_group@blacksheep.org; Thu, 10 Jan 2013 12:01:22 +0000 Received: from plato.ucs.mun.ca (plato.ucs.mun.ca [134.153.232.153]) by nina.ucs.mun.ca (8.13.1/8.13.1) with ESMTP id r0AC0udi014699 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Thu, 10 Jan 2013 08:30:56 -0330 Date: Thu, 10 Jan 2013 08:30:56 -0330 (NST) From: jcraig@mun.ca X-X-Sender: jcraig@plato.ucs.mun.ca To: rsgb_lf_group@blacksheep.org In-Reply-To: <056FF7E269264B968937020B4C88FDF7@AGB> Message-ID: References: <1357561166.96226.YahooMailNeo@web133202.mail.ir2.yahoo.com> <1357566320.97293.YahooMailNeo@web133202.mail.ir2.yahoo.com> <1357567457.74036.YahooMailNeo@web133201.mail.ir2.yahoo.com> <1357606435.22427.YahooMailNeo@web133202.mail.ir2.yahoo.com> <1357639491.23767.YahooMailNeo@web133206.mail.ir2.yahoo.com> <90680D974ED44B74BA3A69AD3D1D74B5@KlausPC> <7DF58DAAC3444D83B9955324AACF6132@PcMinto> <5FB5E7A5A752436C942BD62A4A66E239@AGB> <5DB499C4565845A1898DE96BD73FDB73@PcMinto> <533F9BD29DAB45C49C86D2F1BFF53425@AGB> <2322587AEF8F416AA2B128FE6951D1EC@PcMinto> <11F3B6DF909A4F5D87F375ECE2E35EF8@AGB> <056FF7E269264B968937020B4C88FDF7@AGB> MIME-Version: 1.0 X-MUN-Disclaimer: http://www.mun.ca/cc/policies/elect_communications_disclaimer_2012.php X-Spam-Score: 0.0 (/) X-Spam-Report: Spam detection software, running on the system "relay1.thorcom.net", has identified this incoming email as possible spam. The original message has been attached to this so you can view it (if it isn't spam) or label similar future email. If you have any questions, see the administrator of that system for details. Content preview: Hi Graham, The code is old (1988) turbobasic. It opens com2 and uses the RTS, TXD and DTR lines to bases of NPN inverters thence to the FQ_UD, F_CLK and DATA pins of the DDS chip. If this is of interest, please let me know. [...] Content analysis details: (0.0 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- 0.0 RP_MATCHES_RCVD Envelope sender domain matches handover relay domain X-Scan-Signature: 8ac9f0a1bced50a7ada6578ede3fb6ae Subject: Re: LF: Re: 475kHz crystal Content-Type: TEXT/PLAIN; charset=UTF-8; format=flowed Content-Transfer-Encoding: QUOTED-PRINTABLE X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.3 required=5.0 tests=NO_REAL_NAME autolearn=no version=2.63 X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false x-aol-global-disposition: G x-aol-sid: 3039ac1db40650eeadde2b19 X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none Hi Graham, The code is old (1988) turbobasic. It opens com2 and uses the RTS, TXD and DTR lines to bases of NPN inverters thence to the FQ_UD, F_CLK and DATA pins of the DDS chip. If this is of interest, please let me know. 73 Joe VO1NA On Wed, 9 Jan 2013, Graham wrote: > That would be the most simple Joe > > Do you have such ? > > Tnx -G.. > > -------------------------------------------------- > From: > Sent: Tuesday, January 08, 2013 10:47 PM > To: > Subject: Re: LF: Re: 475kHz crystal > >> Hi Graham, >>=20 >> Are you looking for software to program the AD9850/1 via the serial port? >>=20 >> 73 >> Joe VO1NA >>=20 >> On Tue, 8 Jan 2013, Graham wrote: >>=20 >>> Ok Minto >>>=20 >>> This implies it can address the via the serial link , if so , t= hen=20 >>> its a way in ? >>>=20 >>> 73 -G, >>>=20 >>>=20 >>> http://designtools.analog.com/dt/dds/ad9850.html >>>=20 >>> -------------------------------------------------- >>> From: "Minto Witteveen" >>> Sent: Tuesday, January 08, 2013 9:23 PM >>> To: >>> Subject: LF: Re: 475kHz crystal >>>=20 >>>> Graham, >>>> Did you find a website of the mfg of this specific board? I can=E2=80= =99t find=20 >>>> it, although there is plenty of info on the Internet for this specific= =20 >>>> board (pin layout, programming specs). And of course 9850 datasheets o= n=20 >>>> the website of Analog Devices, the mfg of the DDS chip itself. >>>> Can you point me to the website with the pc based support software, I= =20 >>>> will look into it to see what it can do. But whatever the software can= =20 >>>> do, you still need to interface the SPI, and a =E2=80=98standard=E2=80= =99 PC has=20 >>>> only the parallel interface that can be used.. >>>>=20 >>>> Minto pa3bca >>>>=20 >>>>=20 >>>>=20 >>>> >>>>=20 >>>> ----------------------------------------------------------------------= ---- >>>> Ceterum censeo Carthaginem delendam esse >>>> -----Original Message----- From: Graham >>>> Sent: Tuesday, January 08, 2013 22:06 >>>> To: rsgb_lf_group@blacksheep.org >>>> Subject: Re: LF: Re: 475kHz crystal >>>>=20 >>>> From the mfg web-site , seems to be pc based support software ? >>>> could not this be used to run the 'dds demonstration kit' direct= ly >>>> ? >>>>=20 >>>> -------------------------------------------------- >>>> From: "Minto Witteveen" >>>> Sent: Tuesday, January 08, 2013 8:42 PM >>>> To: >>>> Subject: LF: Re: 475kHz crystal >>>>=20 >>>>> Hi Graham, >>>>>=20 >>>>> It is possible to use the parallel port of a PC to control the DDS, t= he=20 >>>>> DDS has a 3-wire SPI interface. See for instance:=20 >>>>> http://www.qsl.net/p/pa3ckr//signalgenerator/ . Here you will find=20 >>>>> (amongst a lot of other info) a VB program to control the DDS=20 >>>>> (http://www.qsl.net/p/pa3ckr//signalgenerator/prad9850.zip). But be= =20 >>>>> prepared to re-install W95 or possibly DOS because it will not work w= ith=20 >>>>> newer versions of windows=E2=80=A6. >>>>>=20 >>>>> Using a PIC is the easiest method I think. Andy already beat me to i= t,=20 >>>>> see his earlier reply to my mail. If you do not want to make a PCB yo= u=20 >>>>> can even build it using a prototyping breadboard. >>>>>=20 >>>>> Minto pa3bca >>>>>=20 >>>>>=20 >>>>>=20 >>>>> >>>>>=20 >>>>> ---------------------------------------------------------------------= ----- >>>>> Ceterum censeo Carthaginem delendam esse >>>>> -----Original Message----- From: Graham >>>>> Sent: Tuesday, January 08, 2013 21:16 >>>>> To: rsgb_lf_group@blacksheep.org >>>>> Subject: Re: LF: Re: 475kHz crystal >>>>>=20 >>>>> Minto >>>>>=20 >>>>> Is it possible to communicate with the DDS from the PC for a=20 >>>>> simple >>>>> VFO or need the pic ? >>>>>=20 >>>>> G. >>>>>=20 >>>>> -------------------------------------------------- >>>>> From: "Minto Witteveen" >>>>> Sent: Tuesday, January 08, 2013 6:46 PM >>>>> To: ; >>>>> Subject: LF: Re: 475kHz crystal >>>>>=20 >>>>>> Or, as long as you are going to use a PIC anyway, order a AD9850 DDS= =20 >>>>>> module from buyincoins.com. This 0-40MHz DDS costs less than $5=20 >>>>>> (including shipping). Add a cheap PIC, a $5 2x16 LCD and a rotary=20 >>>>>> encoder (or use your PC to communicate with the PIC) and you can=20 >>>>>> generate any frequency you want. And use the PIC to generate Opera,= =20 >>>>>> wspr, qrss. >>>>>> My next project. I already have all the components=E2=80=A6. >>>>>>=20 >>>>>> Minto pa3bca. >>>>>>=20 >>>>>>=20 >>>>>>=20 >>>>>> >>>>>>=20 >>>>>> --------------------------------------------------------------------= ------ >>>>>> Ceterum censeo Carthaginem delendam esse >>>>>> -----Original Message----- From: Klaus Hirschelmann >>>>>> Sent: Tuesday, January 08, 2013 12:00 >>>>>> To: rsgb_lf_group@blacksheep.org >>>>>> Subject: Re: Fw: LF: 475kHz crystal >>>>>>=20 >>>>>> Hi Pete and group >>>>>>=20 >>>>>>>> maybe we can bring http://www.hanssummers.com/ for also offering= =20 >>>>>>>> 630m-Band versions of his QRSS and WSPR kits. >>>>>>=20 >>>>>>> He doesn't seem to have taken MF on board as far as I can see. May = one=20 >>>>>>> of his rigs can be modified I have not checked my self. >>>>>> He does mention the use of Si570 programable xtal. I have one on a= =20 >>>>>> board >>>>>> with set frequencies from a PIC and selected by binary from a dil=20 >>>>>> switch. >>>>>> They will not operate as low as 500kc/s so they have to be divided w= ith >>>>>> either a CD4040 or CD4060 or any other logic divider. However it giv= es >>>>>> stable selectable xtal frequencies. In this case it is probably wort= h=20 >>>>>> going >>>>>> the extra mile and make up a DSS as the master oscillator which will= =20 >>>>>> give >>>>>> VFO coverage. I think your pays your money and takes you choice as t= hey >>>>>> say....... hee. >>>>>>=20 >>>>>> What i intend to do, is building a relatively simple Stand-Alone WSP= R=20 >>>>>> beacon >>>>>> for 630m-Band. Using a Si570 with additional divider seemed to be qu= ite=20 >>>>>> an >>>>>> expensive solution. So i did order 7611.2 KHz crystal ( there is a= =20 >>>>>> company >>>>>> manucturing crystals according to given frequency ). By using a=20 >>>>>> HCF4060B >>>>>> oscillator/divider this should give a stable signal around WSPR midd= en >>>>>> frequency 475.7 KHz. WSPR signal generation is planned according to >>>>>> http://www.knology.net/~gmarcus/WSPR/WWVB_WSPR%20VCXO%20Contoller.pd= f=20 >>>>>> where >>>>>> ( for use in Europe ) i intend to use DCF77 time signals instead of= =20 >>>>>> WWVB. >>>>>> Suitable PIC program version is made by PE1NWL and available via >>>>>> http://www.knology.net/~gmarcus/ , while DCF77 receiver module is=20 >>>>>> obtainable >>>>>> from Conrad Electronics. >>>>>> Because of later signal division by 16, this conception will require= a >>>>>> multiplication of crystal FSK deviation by same factor. For WSPR thi= s=20 >>>>>> should >>>>>> result in values around 23.43 Hz which ( i hope ) will not cause any >>>>>> problem. >>>>>> So far my plans in the moment, but of course it would be much easier= ,=20 >>>>>> in >>>>>> case somebody would offer a kit already doing all i like. >>>>>> .. >>>>>> Klaus, DJ7OO >>>>>>=20 >>>>>>=20 >>>>>>=20 >>>>>>=20 >>>>>>=20 >>>>>=20 >>>>=20 >>>>=20 >>>=20 >>>=20 >> This electronic communication is governed by the terms and conditions at >> http://www.mun.ca/cc/policies/electronic_communications_disclaimer_2012.= php >>=20 > > This electronic communication is governed by the terms and conditions at http://www.mun.ca/cc/policies/electronic_communications_disclaimer_2012.php