Return-Path: Received: (qmail 32383 invoked from network); 2 Jun 2003 20:51:44 -0000 Received: from netmail02.services.quay.plus.net (212.159.14.221) by mailstore with SMTP; 2 Jun 2003 20:51:44 -0000 X-Priority: 3 Received: (qmail 16748 invoked by uid 10001); 2 Jun 2003 20:51:44 -0000 X-MSMail-Priority: Normal Received: from post.thorcom.com (193.82.116.70) by netmail02.services.quay.plus.net with SMTP; 2 Jun 2003 20:51:44 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 X-SQ: A Received: from majordom by post.thorcom.com with local (Exim 4.14) id 19MwGh-0006X5-D7 for rsgb_lf_group-outgoing@blacksheep.org; Mon, 02 Jun 2003 21:50:59 +0100 Received: from [165.212.11.111] (helo=cmsrelay02.mx.net) by post.thorcom.com with smtp (Exim 4.14) id 19MwGV-0006Wq-LR for rsgb_lf_group@blacksheep.org; Mon, 02 Jun 2003 21:50:47 +0100 Received: from uadvg128.cms.usa.net (165.212.11.128) by cmsoutbound.mx.net with SMTP; 2 Jun 2003 20:50:36 -0000 Received: from usa.net [62.94.66.113] by uadvg128.cms.usa.net (ASMTP/dibene@usa.net) via mtad (C8.MAIN.3.06H) with ESMTP id 255HFBuYG0006M28; Mon, 02 Jun 2003 20:50:33 GMT Message-ID: <3EDBB8AF.3050400@usa.net> Date: Mon, 02 Jun 2003 22:50:55 +0200 From: "Alberto di Bene" User-Agent: Mozilla/5.0 (Windows; U; Win98; en-US; rv:1.0.2) Gecko/20030208 Netscape/7.02 X-Accept-Language: en-us, en MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org References: <5.2.0.9.0.20030602112216.02a65410@pop2.sympatico.ca> <000f01c32933$447cb400$4112f4cc@jsm> Subject: Re: LF: 4060 Divider Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Status: No, hits=-18.9 required=5.0tests=EMAIL_ATTRIBUTION,REFERENCES,USER_AGENT_MOZILLA_UAversion=2.53 X-Spam-Checker-Version: SpamAssassin 2.53 (1.174.2.15-2003-03-30-exp) X-SA-Exim-Scanned: Yes Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rsgb_lf_group-outgoing@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false Steve McDonald wrote: >I would like to use the M74HC4060 as a 'divide-by-64' signal source. Can >anyone tell me the upper limit for xtals that this chip can handle? My xtal >will be on 8.750000; I fear that the upper limit may be around 4-6 MHz? > >Steve > > I have built a Tayloe mixer for the 137 kHz, and have obtained the LO by dividing an osciillator in the 34+ MHz range. The divisor is a 74HCT4520, not a 4060, but the family is the same, so I think you are on safe grounds at 8 MHz. 73 Alberto I2PHD