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Total 39 documents matching your query.

1. [TenTec] what is "quiet"? (score: 1): Author: n4lq@iglou.com (Steve Ellington); Date: Mon, 1 Apr 2002 22:43:38 -0500; While the above is technically correct, there is still something mysteriously quiet about simple receivers that make them more pleasant to monitor. Take for instance the TenTec T-kit series which is; /archives//html/TenTec/2002-04/msg00047.html (11,534 bytes)
2. [TenTec] what is "quiet"? (score: 1): Author: geraldj@isunet.net (Dr. Gerald N. Johnson, electrical engineer); Date: Tue, 02 Apr 2002 00:45:09 -0600; Part of the difference is in the crystal or mechanical filters ringing from static converting clicks to crasssssh. Tentec filters don't do that so much and so seem quieter. 73, Jerry, K0CQ -- Entire; /archives//html/TenTec/2002-04/msg00052.html (9,477 bytes)
3. [TenTec] what is "quiet"? (score: 1): Author: n1eu@yahoo.com (N1EU); Date: Tue, 2 Apr 2002 04:03:06 -0800 (PST); "While the above is technically correct, there is still something mysteriously quiet about simple receivers that make them more pleasant to monitor." I've certainly experienced what Steve is describi; /archives//html/TenTec/2002-04/msg00053.html (8,590 bytes)
4. [TenTec] what is "quiet"? (score: 1): Author: cyr999@extremezone.com (Tim and Nancy Logan); Date: Tue, 02 Apr 2002 07:09:19 -0700; George, Steve, Barry and all - These comments are very interesting. My shack consists of a 4-band K1, full house K2 and my 756 PRO (which as you know replaced my OMNI V). I've also built an SWL40+ an; /archives//html/TenTec/2002-04/msg00056.html (10,824 bytes)
5. [TenTec] what is "quiet"? (score: 1): Author: n4lq@iglou.com (n4lq@iglou.com); Date: Tue, 02 Apr 2002 11:02:42 -0500; Tim Let me ask this: If you disconnect the antenna from the Pro II, turn off the noise reduction features and crank up the volume, what do you hear? A loud rushing noise or just a soft hiss? If I do; /archives//html/TenTec/2002-04/msg00061.html (8,313 bytes)
6. [TenTec] what is "quiet"? (score: 1): Author: w5yr@att.net (George, W5YR); Date: Tue, 02 Apr 2002 11:35:03 -0600; But, an isotropic antenna picks up all signals from all directions . . . <:} Do these comparisons account for the differences in overall gain - antenna terminals to speaker output - among the differe; /archives//html/TenTec/2002-04/msg00066.html (9,153 bytes)
7. [TenTec] what is "quiet"? (score: 1): Author: geraldj@isunet.net (Dr. Gerald N. Johnson, electrical engineer); Date: Tue, 02 Apr 2002 12:11:27 -0600; Tchebychev filter approximations with steep skirts have a rotten time response. They DO smear pulses into crashes. The Collins mechanical filter in my 75S3B smears the 360 Hz repetition rate pulses o; /archives//html/TenTec/2002-04/msg00068.html (11,256 bytes)
8. [TenTec] what is "quiet"? (score: 1): Author: n4lq@iglou.com (n4lq@iglou.com); Date: Tue, 02 Apr 2002 13:13:19 -0500; In my unprofessional opinion.....Every time we run that little signal through a non-active component such as a transformer, diode, coil, capacitor or filter of any type, we loose some of it. Then we; /archives//html/TenTec/2002-04/msg00069.html (11,952 bytes)
9. [TenTec] what is "quiet"? (score: 1): Author: geraldj@isunet.net (Dr. Gerald N. Johnson, electrical engineer); Date: Tue, 02 Apr 2002 12:45:42 -0600; Yes, the single conversion receiver with filters at both ends of the IF strip (or a single signal phasing detector such as KK7B's R2 or R2PRO or R2mini http://www.bright.net/~kanga/kanga/kk7b.htm to; /archives//html/TenTec/2002-04/msg00070.html (9,958 bytes)
10. [TenTec] what is "quiet"? (score: 1): Author: cherry@getnet.net (cherry@getnet.net); Date: Tue, 2 Apr 2002 12:12:54 -0700; That is why a IF DSP receiver has the potential to be very low noise. The IF DSP receiver does not need narrow ringing filters or complex circuits to get passband tuning. There is no noise introduced; /archives//html/TenTec/2002-04/msg00071.html (10,915 bytes)
11. [TenTec] what is "quiet"? (score: 1): Author: N4NT@chartertn.net (Mike Hyder -N4NT-); Date: Tue, 2 Apr 2002 15:18:18 -0500; -- Original Message -- From: <n4lq@iglou.com> To: "George, W5YR" <w5yr@att.net>; "Tim and Nancy Logan" <cyr999@extremezone.com>; "N1EU" <n1eu@yahoo.com>; <tentec@contesting.com> Sent: Tuesday, April; /archives//html/TenTec/2002-04/msg00075.html (9,289 bytes)
12. [TenTec] what is "quiet"? (score: 1): Author: n9dg@yahoo.com (Duane Grotophorst); Date: Tue, 2 Apr 2002 13:10:20 -0800 (PST); Absolutely, and the closer you can get the analog to digital conversion to the antenna input the less chance there is to introduce all that mixer noise. The key design challenges at that point are to; /archives//html/TenTec/2002-04/msg00077.html (13,541 bytes)
13. [TenTec] what is "quiet"? (score: 1): Author: rohre@arlut.utexas.edu (Stuart Rohre); Date: Tue, 2 Apr 2002 15:40:25 -0600; Noise in multiconversion rigs--(160M and 80M) It is the width of roofing filters and the overload properties of active mixers in the modern rigs. Plus, probably more strong signals today. 73, Stuart; /archives//html/TenTec/2002-04/msg00081.html (9,028 bytes)
14. [TenTec] what is "quiet"? (score: 1): Author: w5yr@att.net (George, W5YR); Date: Tue, 02 Apr 2002 16:05:12 -0600; Stuart, this noise discussion takes me back to the days of my National HRO-5TA1. Single conversion and no roofing filters. Wonderful old radio - for its time. It was 1947 if I remember when I got it,; /archives//html/TenTec/2002-04/msg00082.html (12,049 bytes)
15. [TenTec] what is "quiet"? (score: 1): Author: geraldj@isunet.net (Dr. Gerald N. Johnson, electrical engineer); Date: Tue, 02 Apr 2002 16:18:26 -0600; The K2 is NOT direct conversion. Its a single conversion superhet, IF at 4.9152 Mhz. 73, Jerry, K0CQ -- Entire content copyright Dr. Gerald N. Johnson. Reproduction by permission only.; /archives//html/TenTec/2002-04/msg00083.html (9,079 bytes)
16. [TenTec] what is "quiet"? (score: 1): Author: w5yr@att.net (George, W5YR); Date: Tue, 02 Apr 2002 16:35:04 -0600; Jerry, since I am the "TO:" of your email, I suppose that your comment was directed to me. I have reviewed my recent messages and cannot find any instance where I described the K2 as a direct-convers; /archives//html/TenTec/2002-04/msg00085.html (10,473 bytes)
17. [TenTec] what is "quiet"? (score: 1): Author: geraldj@isunet.net (Dr. Gerald N. Johnson, electrical engineer); Date: Tue, 02 Apr 2002 16:48:56 -0600; 73, Jerry, K0CQ -- Entire content copyright Dr. Gerald N. Johnson. Reproduction by permission only.; /archives//html/TenTec/2002-04/msg00087.html (9,277 bytes)
18. [TenTec] what is "quiet"? (score: 1): Author: w5yr@att.net (George, W5YR); Date: Tue, 02 Apr 2002 17:32:14 -0600; No problem, Jerry - except that at my age you go around wondering what you are doing a lot, and now I have to start worrying about what I said! CRS, ya know! 73/72/oo, George W5YR - the Yellow Rose o; /archives//html/TenTec/2002-04/msg00093.html (9,790 bytes)
19. [TenTec] what is "quiet"? (score: 1): Author: cyr999@extremezone.com (cyr999@extremezone.com); Date: Tue, 02 Apr 2002 16:46:48 -0700 (MST); You guys just crack me up! Keep having fun - I'm learning all kinds of stuff from this! 73/Tim NZ7C Quoting "George, W5YR" <w5yr@att.net>:; /archives//html/TenTec/2002-04/msg00095.html (10,670 bytes)
20. [TenTec] what is "quiet"? (score: 1): Author: n4lq@iglou.com (Steve Ellington); Date: Tue, 2 Apr 2002 19:24:01 -0500; A friend of mine loaned me a K2 for a couple of weeks. I spent considerable time listening to it and IMHO, it does not fit into the same category for quietness as the R2, Triton, 1340, Conar etc. In; /archives//html/TenTec/2002-04/msg00097.html (9,971 bytes)

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