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Total 9 documents matching your query.

1. [CQ-Contest] hiss (score: 1): Author: <k8bb@comcast.net>; Date: Tue, 25 Jul 2006 13:23:35 -0000; I notice that most amateur transceivers, even most (all?) high-end units, have quite "hissy" audio amplification. I find this particularly irritating but I have ignored it or otherwise dealt with it; /archives//html/CQ-Contest/2006-07/msg00443.html (7,915 bytes)
2. Re: [CQ-Contest] hiss (score: 1): Author: W0UN <shr@swtexas.net>; Date: Tue, 25 Jul 2006 17:09:03 -0500; This has been a problem for many decades. I built a Crud-O-Ject back in the 70s and still use it. Here is an old note from the Topband reflector that is a better summary than I can do from memory. --; /archives//html/CQ-Contest/2006-07/msg00448.html (10,194 bytes)
3. Re: [CQ-Contest] hiss (score: 1): Author: "David Hachadorian" <k6ll@adelphia.net>; Date: Tue, 25 Jul 2006 22:13:50 -0000; Many rigs have a line level audio output, picked off before the final audio amp, for use with phone patches or rtty decoders. You can run that to the LINE IN jack of a soundcard and listen to the aud; /archives//html/CQ-Contest/2006-07/msg00449.html (9,285 bytes)
4. Re: [CQ-Contest] hiss (score: 1): Author: Tree <tree@kkn.net>; Date: Tue, 25 Jul 2006 16:15:25 -0700; I have the same issue - and still hear things others can't at the high end. Two solutions I have seen: 1. Back before we had audio filters, there was a circuit in the older handbooks called something; /archives//html/CQ-Contest/2006-07/msg00450.html (8,121 bytes)
5. Re: [CQ-Contest] hiss (score: 1): Author: George Fremin III <geoiii@kkn.net>; Date: Tue, 25 Jul 2006 19:06:10 -0700; I use a very simple R/C low pass filter. It uses one resistor and one capacitor . I do not recall the values I ended up using I just played around until I was happy with the sound. I did look at th; /archives//html/CQ-Contest/2006-07/msg00453.html (8,496 bytes)
6. Re: [CQ-Contest] hiss (score: 1): Author: "Rex Maner" <k7qq@netzero.net>; Date: Wed, 26 Jul 2006 01:45:24 -0000; The real problem is in the RX however a big one is also in the headset that NO ONE """ NO ONE """ is supplying as an acceptiable communication headset. One that is designed for communication and fits; /archives//html/CQ-Contest/2006-07/msg00454.html (12,695 bytes)
7. Re: [CQ-Contest] hiss (score: 1): Author: Tim Duffy K3LR <k3lr@k3lr.com>; Date: Thu, 27 Jul 2006 21:35:46 -0500; Hi Don! My favorite outboard filter to reduce high end QRM and hiss is the SCAF-1 by Idiom press. Bob, W9KNI knows CW and his filter is super. I have to confess that I really like my home built Crud-; /archives//html/CQ-Contest/2006-07/msg00518.html (9,811 bytes)
8. Re: [CQ-Contest] hiss (score: 1): Author: Jack Brindle <jackbrindle@earthlink.net>; Date: Thu, 27 Jul 2006 21:39:19 -0700; As another one who swears by his crud-o-ject, I have one question. Are the 88mH telephone inductors still available anywhere? Don't need any, just curious... -Jack Brindle, W6FB == __________________; /archives//html/CQ-Contest/2006-07/msg00522.html (11,112 bytes)
9. Re: [CQ-Contest] hiss (score: 1): Author: "Dale Putnam" <daleputnam@hotmail.com>; Date: Fri, 28 Jul 2006 06:16:12 -0600; yes, they are, well at least in my parts cabinet.--... ...--Dale - WC7S in Wy e dealt with it until it doesn't > >> bother me> >> anymore. However, I have *excellent* hearing and I would like to > >>; /archives//html/CQ-Contest/2006-07/msg00529.html (11,869 bytes)

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