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| To: | [email protected] |
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| Subject: | Re: LF: exciter for 137 and 500 kHz |
| From: | "Johan H. Bodin" <[email protected]> |
| Date: | Sun, 07 Nov 2010 20:33:20 +0100 |
| In-reply-to: | <[email protected]> |
| References: | <000c01cb7da9$23b1a1e0$8d01a8c0@JAYDELL> <[email protected]> |
| Reply-to: | [email protected] |
| Sender: | [email protected] |
| User-agent: | Mozilla/5.0 (Windows; U; Windows NT 5.1; sv-SE; rv:1.9.2.12) Gecko/20101027 Thunderbird/3.1.6 |
Andy, here's another nice program for all-pass I/Q filter design: http://www.tonnesoftware.com/quad.html 73 Johan SM6LKM ---- Andy Talbot wrote 2010-11-06 14:59: > Very Interesting. > Where did you find the design data for the allpass network? I've only been > able to find the values for up to 3+3 allpass stages. > > Mind you, at that number of chips a DSPic begins to look attractive. > > > Andy > www.g4jnt.com <http://www.g4jnt.com> > > > On 6 November 2010 11:52, <[email protected] > <mailto:[email protected]>> > wrote: > > Nothing earth shattering ... another way to skin the cat. The 137 and 500 > kHz units have been in use for a few years ... just now getting around to > the write up. > > http://www.w1vd.com/137-500Phasingexciter.html > > Jay W1VD WD2XNS WE2XGR/2 > > |
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