I would say entirely reasonable, most of these filters exhibit a 2dB loss with around a 1dB riple. So 2 in cascade... 73 Andy G3UEQ ... From: Valveman To:...
Wow I never realized that. I don't deal much with crystal filters and mainly design of DSP filters where attenuation of the signal is compensated via left ...
Robert You digital guys have it easy, I am one of the old analogue guys, spent years in R&D designing analogue signal processors for foetal monitors, then a...
Hi Tony downunder! I don't think anyone has posted a mod for integrating a tone control in the DX-394. Two simple capacitor mods are listed in the Index - one...
Hi Andy; I should clarify. I have worked with alot of analog systems but that was a long time ago and yes now work mostly digital. I've have forgotten some...
Robert I did guess your background, the only thing I have got my head round is the PIC chip, and a bit of code to keep my repeater GB3CC happy..still you have...
How about a squelch? ... From: Anthony F. Smith To: DX-394 Chat Group Sent: Tuesday, July 29, 2003 10:26 PM Subject: [RADIOSHACKDX394] Tone control Hey! did I...
... There are some prior messages - do a search on "squelch". One of them is http://groups.yahoo.com/group/RADIOSHACKDX394/message/853 . I've also just posted...
In power terms, yes. As far as sensitivity goes, it's the difference between 1 microvolt and 1.55 microvolt for the same audio output level - not particularly...
Andy, seeing Mike's photo of his LF-D6 filters installed I noticed that the MW coil is positioned farther from the end of the ferrite rod than mine, which is...
Tom That's right, thats where mine ended up originally when I went to align it..weird 73 Andy ... From: Tom Holden To: RADIOSHACKDX394@yahoogroups.com Sent:...
Hello Mike, where did you buy your Tecsun? I've been trying to locate one in Australia, Singapore, and Hong Kong! with no luck. Can't find a distributor. Tony...
Hell Tom (and everyone else), yes I think you're right about the external speaker idea. I saw recently a small pre-amp kit with tone control that would fit...
... treble/bass controls, would there be much trouble coverting to mono? any suggestions as to how? Just use one channel ('left' or 'right') of the stereo amp....
If you want mono out of a stereo amp ,just use one side. it must have a left and right channel input. ... From: Anthony F. Smith To: DX-394 Chat Group Sent:...
Hello everyone, does anyone know of a program (shareware) that will draw a circuit board layout from a circuit diagram created in PaintShopPro? 73 Anthony...
Hello everyone! I am writing to request some help. I had a DX394 hit by lightning recently,and I am looking for a schematic. Does anyone out there know where I...
I don't understand...You can get by with freeware imaging applications and a simple inkjet printer When I want to print a circuit board layout I simply copy...
If it's a one-off, Tony, why not use "dead bug" technique on a pc board as the ground plane? It's fast, flexible, and can be multi- layer. I'm in the midst of...
I got mine on ebay from a seller in china ... locate one in ... distributor. ... for my son ... Tecsun ... selectivity. ... worth ... soon to ... sure ... ...
I am outting together a web site for my knobs and filters, still tweaking it but so if you have any suggestions, I am open. http://maghakian.home.att.net/...
It looks clean and uncluttered so far,nice work.. Legend56bc ... From: "mikemaghakian" <mikemaghakian@...> To: <RADIOSHACKDX394@yahoogroups.com> Sent:...
And a British one just went for GBP 56.99 (US$91.84) on eBay ( http://cgi.ebay.com/ws/eBayISAPI.dll? ViewItem&item=3037741656&category=296 ). So you can be...
Many thanks Joe, much appreciated. Tony. ... From: "Joe Strain" <cz52_98@...> To: <RADIOSHACKDX394@yahoogroups.com> Sent: Tuesday, August 05, 2003 7:33...
Hi, I am new to SW and i am looking for a reasonably priced rig the dx394 seems to be the one. But the reviews i read say it is not very good on ssb and as i...
Hi Tom I paid £62.00 for mine...by the way, really sorted out the SSB reception on the 394, I was lucky enough to find a Collins Mechanical filter lying...
