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=-1.0 required=5.0 tests=BAYES_00,DNS_FROM_AHBL_RHSBL, FORGED_RCVD_HELO,SUBJ_RE_NUM 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 t54DSWeW022250 for ; Thu, 4 Jun 2015 15:28:32 +0200 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Z0V9X-0007DH-4g for rs_out_1@blacksheep.org; Thu, 04 Jun 2015 14:25:47 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Z0V9W-0007D8-SI for rsgb_lf_group@blacksheep.org; Thu, 04 Jun 2015 14:25:46 +0100 Received: from smarthost01a.mail.zen.net.uk ([212.23.1.1]) by relay1.thorcom.net with esmtp (Exim 4.85) (envelope-from ) id 1Z0V9S-0008Iy-Pu for rsgb_lf_group@blacksheep.org; Thu, 04 Jun 2015 14:25:45 +0100 Received: from [82.70.254.222] (helo=OfficeWin7.lan) by smarthost01a.mail.zen.net.uk with esmtp (Exim 4.80) (envelope-from ) id 1Z0V9R-000DjK-Dh for rsgb_lf_group@blacksheep.org; Thu, 04 Jun 2015 13:25:41 +0000 Date: Thu, 4 Jun 2015 14:25:41 +0100 From: Chris Wilson Organization: Gatesgarth Developments X-Priority: 3 (Normal) Message-ID: <505047068.20150604142541@chriswilson.tv> To: Andy Talbot In-Reply-To: References: <1052531792.20150604131722@chriswilson.tv> <7E7DFBB4D102A04DB5ADC88D66628A4A235626A6@ICTS-S-MBX1.luna.kuleuven.be> MIME-Version: 1.0 X-Originating-smarthost01a-IP: [82.70.254.222] X-Scan-Signature: f62c7cf8eeb8e5a327b71719e9bffff1 Subject: Re[2]: LF: IDC-136-BLT 136kHz receivers Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit 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: 3436 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