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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[TenTec\]\s+Scads\s+of\s+used\s+Icom\s+IC\-7300\s*$/: 72 ]

Total 72 documents matching your query.

21. Re: [TenTec] Scads of used Icom IC-7300 (score: 1): Author: Carl Moreschi <n4py3@earthlink.net>; Date: Sat, 10 Sep 2016 18:32:10 -0400; If you going to run in a contest, what you do it hook up a contest program to the radio and then just run it like any other radio. I'm a DX'er and as with all radios I use, I interface my N4PY softwa; /archives//html/TenTec/2016-09/msg00140.html (12,367 bytes)
22. Re: [TenTec] Scads of used Icom IC-7300 (score: 1): Author: shristov <shristov@ptt.rs>; Date: Sun, 11 Sep 2016 02:04:00 +0200; 5 mW, not 5 W. 73, Sinisa YT1NT _______________________________________________ TenTec mailing list TenTec@contesting.com http://lists.contesting.com/mailman/listinfo/tentec; /archives//html/TenTec/2016-09/msg00144.html (9,590 bytes)
23. Re: [TenTec] Scads of used Icom IC-7300 (score: 1): Author: Gary J FollettDukes HiFi <dukeshifi@comcast.net>; Date: Sat, 10 Sep 2016 23:14:56 -0500; Well, for years I have followed the listings at Sherwood, and, not seeing the explanation you presented on the site, drew what may be an erroneous conclusion. I do recall, however, his rather striden; /archives//html/TenTec/2016-09/msg00146.html (31,111 bytes)
24. Re: [TenTec] Scads of used Icom IC-7300 (score: 1): Author: Gary J FollettDukes HiFi <dukeshifi@comcast.net>; Date: Sat, 10 Sep 2016 23:37:29 -0500; Please understand, I have no lack of respect for Mr. Sherwood. I read his very first articles back in the day when he was beginning his tinkering with the Drake R-4C, a basically good (for its day) r; /archives//html/TenTec/2016-09/msg00147.html (14,260 bytes)
25. Re: [TenTec] Scads of used Icom IC-7300 (score: 1): Author: "rick@dj0ip.de" <Rick@DJ0IP.de>; Date: Sun, 11 Sep 2016 10:49:00 +0200; Gary, You bring up a couple of very good points which I would like to address, but it is not exactly in line with the subject line. I will start two new threads: 1. 16-bit dynamic range 2. IP3 and re; /archives//html/TenTec/2016-09/msg00148.html (31,841 bytes)
26. Re: [TenTec] Scads of used Icom IC-7300 (score: 1): Author: Barry N1EU <barry.n1eu@gmail.com>; Date: Sun, 11 Sep 2016 10:23:54 +0000; When I owned the ANAN-100D, I did some testing and s9+80dB is exactly what I found to be the ADC overload point with this 16-bit radio as well. I believe this was with a 10dB preamp (non-defeatable); /archives//html/TenTec/2016-09/msg00151.html (10,526 bytes)
27. Re: [TenTec] Scads of used Icom IC-7300 (score: 1): Author: shristov <shristov@ptt.rs>; Date: Sun, 11 Sep 2016 13:49:38 +0200; A perfect 16-bit ADC would have a difference of 97.8 dB between the average noise level and the level of the full-scale sinusoid. This is a basic fact, and it is NOT violated by ADCs used in SDR rece; /archives//html/TenTec/2016-09/msg00153.html (10,386 bytes)
28. Re: [TenTec] Scads of used Icom IC-7300 (score: 1): Author: Gary J FollettDukes HiFi <dukeshifi@comcast.net>; Date: Sun, 11 Sep 2016 16:04:20 -0500; I understand and appreciate this discussion of NOISE dynamic range. This does not explain how one can get SIGNAL dynamic range higher than ~96 dB with 16 bits. These are different quantities. If the; /archives//html/TenTec/2016-09/msg00168.html (12,730 bytes)
29. Re: [TenTec] Scads of used Icom IC-7300 (score: 1): Author: Jim Brown <k9yc@audiosystemsgroup.com>; Date: Sun, 11 Sep 2016 14:21:34 -0700; If the A to D has say, 1 mV per bit response, then the largest input signal this 16 bit A to D can measure should be ~65,000 mV. Thats about 96 dB. Hi Gary, I worked in pro audio, and thought the sam; /archives//html/TenTec/2016-09/msg00172.html (11,637 bytes)
30. Re: [TenTec] Scads of used Icom IC-7300 (score: 1): Author: Gary J FollettDukes HiFi <dukeshifi@comcast.net>; Date: Sun, 11 Sep 2016 16:36:07 -0500; Thank you for at least suggesting that there might be an answer. Even so, 20 to 30 dB over 96 is not enough, thats still only 128 dB, and a good analog receiver can be better than that. Good luck wit; /archives//html/TenTec/2016-09/msg00174.html (12,373 bytes)
31. Re: [TenTec] Scads of used Icom IC-7300 (score: 1): Author: Carl Moreschi <n4py3@earthlink.net>; Date: Sun, 11 Sep 2016 17:40:25 -0400; There's no law that says the step size has to be 1 mv. It can be whatever the design allows. Carl Moreschi N4PY 58 Hogwood Rd Louisburg, NC 27549 www.n4py.com If the A to D has say, 1 mV per bit resp; /archives//html/TenTec/2016-09/msg00176.html (12,864 bytes)
32. Re: [TenTec] Scads of used Icom IC-7300 (score: 1): Author: Carl Moreschi <n4py3@earthlink.net>; Date: Sun, 11 Sep 2016 17:44:17 -0400; And further, the clip point is simply the point where a signal is too large for the A/D converter. So if you have 65536 values in 16 bits, you divide the real dynamic range of the A/D by 65536 and us; /archives//html/TenTec/2016-09/msg00177.html (13,538 bytes)
33. Re: [TenTec] Scads of used Icom IC-7300 (score: 1): Author: shristov <shristov@ptt.rs>; Date: Mon, 12 Sep 2016 00:06:11 +0200; As long as the quantization noise is not correlated with the signal, ADC will successfully convert signals much, much smaller than the quantization step. The noise effectively interpolates ADC steps; /archives//html/TenTec/2016-09/msg00179.html (11,136 bytes)
34. Re: [TenTec] Scads of used Icom IC-7300 (score: 1): Author: Gary J FollettDukes HiFi <dukeshifi@comcast.net>; Date: Sun, 11 Sep 2016 17:13:50 -0500; I only picked 1 mV as an EXAMPLE. I fully understand that the designer can make it whatever he or she wishes, limited only by the capabilities of the devices available. Gary _________________________; /archives//html/TenTec/2016-09/msg00181.html (14,553 bytes)
35. Re: [TenTec] Scads of used Icom IC-7300 (score: 1): Author: Gary J FollettDukes HiFi <dukeshifi@comcast.net>; Date: Sun, 11 Sep 2016 17:17:50 -0500; Thank you for your response. Is this not an example of dithering? Dithering first came into my mindset when it was applied to audio, because many people were able to hear the difference between the r; /archives//html/TenTec/2016-09/msg00183.html (12,352 bytes)
36. Re: [TenTec] Scads of used Icom IC-7300 (score: 1): Author: shristov <shristov@ptt.rs>; Date: Mon, 12 Sep 2016 00:59:18 +0200; Yes, it is. Yes, that's the essence of it. 73, Sinisa YT1NT, VE3EA _______________________________________________ TenTec mailing list TenTec@contesting.com http://lists.contesting.com/mailman/listin; /archives//html/TenTec/2016-09/msg00188.html (10,116 bytes)
37. Re: [TenTec] Scads of used Icom IC-7300 (score: 1): Author: Gary J FollettDukes HiFi <dukeshifi@comcast.net>; Date: Sun, 11 Sep 2016 18:07:20 -0500; Thank you to those who took the time to explain this apparent dichotomy. I get it now that you all have opened up with descriptions that clarify the question. I wonder, then, why the 7300 is so much; /archives//html/TenTec/2016-09/msg00189.html (10,931 bytes)
38. Re: [TenTec] Scads of used Icom IC-7300 (score: 1): Author: "rick@dj0ip.de" <Rick@DJ0IP.de>; Date: Mon, 12 Sep 2016 09:26:30 +0200; FLEX 6500 vs 7300 1. The 6500 has dedicated ham band BPFs for each band, the 7300 does not. 2. The stage gain of the 7300 was not designed specifically for the needs of an SDR but rather just copied; /archives//html/TenTec/2016-09/msg00193.html (10,806 bytes)
39. Re: [TenTec] Scads of used Icom IC-7300 (score: 1): Author: Jim Brown <k9yc@audiosystemsgroup.com>; Date: Mon, 12 Sep 2016 01:02:15 -0700; There is no free lunch -- those who buy WISELY get what they pay for. As a somewhat distant and very impartial observer, the Flex 6500/6700, the Elecraft K3, K3S, KX2, and KX3, and the Kenwood TS590S; /archives//html/TenTec/2016-09/msg00194.html (11,576 bytes)
40. Re: [TenTec] Scads of used Icom IC-7300 (score: 1): Author: "rick@dj0ip.de" <Rick@DJ0IP.de>; Date: Mon, 12 Sep 2016 10:22:43 +0200; (Sorry Jim, but I can't resist this...) Isn't buying a radio from the list you posted kinda like buying the last good horse and buggy, when all your neighbors are looking to buy a horseless carriage?; /archives//html/TenTec/2016-09/msg00195.html (12,179 bytes)

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