Return-Path: X-Spam-DCC: paranoid 1233; Body=3 Fuz1=3 Fuz2=3 X-Spam-Checker-Version: SpamAssassin 3.1.3 (2006-06-01) on lipkowski.org X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,DNS_FROM_AHBL_RHSBL, HTML_40_50,HTML_MESSAGE autolearn=no version=3.1.3 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by paranoid.lipkowski.org (8.13.7/8.13.7) with ESMTP id t54DWjR6022270 for ; Thu, 4 Jun 2015 15:32:45 +0200 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Z0VDp-0007Ju-NZ for rs_out_1@blacksheep.org; Thu, 04 Jun 2015 14:30:13 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Z0VDp-0007Jl-9F for rsgb_lf_group@blacksheep.org; Thu, 04 Jun 2015 14:30:13 +0100 Received: from mail-wi0-f170.google.com ([209.85.212.170]) by relay1.thorcom.net with esmtps (TLSv1.2:AES128-GCM-SHA256:128) (Exim 4.85) (envelope-from ) id 1Z0VDn-0008LG-23 for rsgb_lf_group@blacksheep.org; Thu, 04 Jun 2015 14:30:12 +0100 Received: by wibdt2 with SMTP id dt2so49457086wib.1 for ; Thu, 04 Jun 2015 06:30:10 -0700 (PDT) X-DKIM-Result: Domain=gmail.com Result=Good and Known Domain DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type; bh=ph33275vBOqu967U1zZSkXiIA8xYp59NZkYE8jlg7P0=; b=s2YF6MJYnYMYDKEgE7B9wr0vS7wgpNtN9gHh/eejtnKUHOS7u4o6v0WJevRHhUppPn vJkJIt54qfvuECeIep0J2pZHlKELAiKnIZb0KzQulcE8XHLURla466lifqu3T8DOikdb xWU+7u3CmFj4kcIt9E5RZ/M7ElBK7wiZEbSULv2sodTLM00r2xfRff/R/PwuaTdoPhyf QEVr7yd0IG3Dzoh3+K5XgLIODqN3w9Pml+5esBHJBGqo3sRGoVi9VnGVQlGMfV0Emi8n EtA0p9BCdX8SyecIwi7kE/J4ZyDzJKx00RnpUvyS0HQJsjV75If6pxE/rd0Qjw3UKhQk SMgg== MIME-Version: 1.0 X-Received: by 10.194.200.228 with SMTP id jv4mr69570676wjc.157.1433424609951; Thu, 04 Jun 2015 06:30:09 -0700 (PDT) Received: by 10.28.136.132 with HTTP; Thu, 4 Jun 2015 06:30:09 -0700 (PDT) In-Reply-To: <505047068.20150604142541@chriswilson.tv> References: <1052531792.20150604131722@chriswilson.tv> <7E7DFBB4D102A04DB5ADC88D66628A4A235626A6@ICTS-S-MBX1.luna.kuleuven.be> <505047068.20150604142541@chriswilson.tv> Date: Thu, 4 Jun 2015 14:30:09 +0100 Message-ID: From: Andy Talbot To: rsgb_lf_group@blacksheep.org X-Scan-Signature: ad8e5dd63f7497fd9d71d15044db2e2b Subject: Re: Re[2]: LF: IDC-136-BLT 136kHz receivers Content-Type: multipart/alternative; boundary=047d7bae4982b0450f0517b12c0f 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-Scanned-By: MIMEDefang 2.56 on 10.1.3.10 Status: O X-Status: X-Keywords: X-UID: 3437 --047d7bae4982b0450f0517b12c0f Content-Type: text/plain; charset=UTF-8 No, a completely different approach. For one thing teh LO has to be supplied at 4* Someone must do an LF version of the Softrock - surely Andy On 4 June 2015 at 14:25, Chris Wilson wrote: > Hello Andy, > > Thursday, June 4, 2015 > > > > AH, thanks for finding that - must have missed it on first looking. > > Yes I agree, the NE612 is a poor mixer to use for those purposes. > > A diode ring, or bus switch would do a muxch better job > > > > But why not an I/Q conversion and make use of all the decent SDR > software out there? > > > > Andy G4JNT > > > I think they also do an IQ version, not sure if it's currently > available. I don't suppose the other IC is a direct swap is it? > Thanks. > > > > > > > -- > Best regards, > Chris mailto:chris@chriswilson.tv > > > --047d7bae4982b0450f0517b12c0f Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
No, a completely different approach.=C2=A0 For one thing t= eh LO has to be supplied at 4*

Someone must do an LF ver= sion of the Softrock - surely

Andy

<= div class=3D"gmail_extra">
On 4 June 2015 at = 14:25, Chris Wilson <chris@chriswilson.tv> wrote:
Hello Andy,

Thursday, June 4, 2015


> AH, thanks for finding that - must have missed it on first looking. > Yes I agree, the NE612 is a poor mixer to use for those purposes. =C2= =A0
> A diode ring, or bus switch would do a muxch better job


> But why not an I/Q conversion and make use of all the decent SDR softw= are out there? =C2=A0=C2=A0


> Andy =C2=A0G4JNT


I=C2=A0 think=C2=A0 they=C2=A0 also=C2=A0 do=C2=A0 an=C2=A0 IQ=C2=A0 versio= n, not sure if it's currently
available.=C2=A0 I=C2=A0 don't=C2=A0 suppose=C2=A0 the=C2=A0 other=C2= =A0 IC=C2=A0 is a direct swap is it?
Thanks.






--
Best regards,
=C2=A0Chris=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 mailto:chris@chriswilson.tv



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