Insignia NS-HDTUNE Take Apart/Exploration
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From: William R. Walsh on 6 Mar 2010 11:38 Hi! > I have a receiver permanently mounted in my SUV. It transmits > it's signal over the FM broadcast band into the SUV's radio > on whatever freq I want. On occasion when I travel other stations > overpowered the sat receiver so I just took the FM antenna off > the SUV. I had that happen with an iPod to FM modulator type of device, but it didn't wire directly into the antenna connection. Its output was quiet, which doubled the shock when something overpowered it. I didn't pull the antenna because every time I have, it's proven difficult to get it back on tightly enough that it won't work loose. I'd hate for it to go flying off at speed. I already had the cassette player (what can I say, other than I'm "old school", having made mix tapes up until recently) so I just went to using a cassette shell as I always had for that direct line-in connection. > The sat receiver has an option to use an external wire antenna > so it can transmit its signal further. That's an interesting idea, especially since it is powerful enough to get into your house and play on radios there. Perhaps one of these days when I have a little more money going spare, I might look into satellite radio. A few years ago I saw a nice Samsung satellite radio receiver/recorder but didn't buy it because it was so expensive. It had either flash memory or a small hard drive to record to, and they claimed it was good for several hours worth of recording, as well as timed recording. I may try to climb up the disused TV antenna mast today and see what will be required to get it going again. If there isn't an FM trap up there, I expect it could be used as some kind of FM antenna for the HD Radio tuner. William
From: Klaatu on 6 Mar 2010 22:34 "Meat Plow" wrote in message news:3io6jd.23f.17.4(a)news.alt.net... > On Fri, 05 Mar 2010 11:49:56 -0600, "William R. Walsh" > <newsgroups1(a)idontwantjunqueemail.walshcomptech.com>wrote: > >>Hi! >> >>> So you pay 100 bucks for a receiver and get to listen >> > to the same commercial broadcast but now in near CD >> > quality sound? >> >>I guess you could say that, but I'm not sure that a good analog FM >>signal wouldn't already qualify as "near CD quality" sound...especially >>on a good tuner. >> >>I wanted to see what HD Radio was about (especially the subchannels), >>but I wasn't about to pay any $100 to do so! After looking inside, I'm >>convinced that someone is doing a pretty good job at inflating the price! >> >> > Being one that listens to music on the road I got really >> > disgusted with the ever increasing amount of commercials. >> >>Me too. And it's hard to find what I want to hear on the radio anyway. >>Stations seem so mercurial in their format changes any more...what >>format was on the radio an hour ago might not be there later... >> >>My solution has been to use an iPod, plugged into a cassette shell >>adapter or stereo miniplug to RCA connector cable. It's a beautiful >>thing to have on a long road trip. Before I had an iPod, I'd stick an >>old laptop under the seat and let it rip through the same cassette shell >>adapter. The battery held it for most trips, and when it didn't, I >>already had a power inverter handy. >> >>I also never hear a bad song that way. >> >>I haven't subscribed to satellite radio mainly because I can't listen to >>it on just any old receiver. So far as I know, I'd have to take the same >>receiver everywhere, and that's just an invitation for me to >>lose/misplace it. >> >>William > > > I have a receiver permanently mounted in my SUV. It transmits it's > signal over the FM broadcast band into the SUV's radio on whatever > freq I want. On occasion when I travel other stations overpowered the > sat receiver so I just took the FM antenna off the SUV. The sat > receiver has an option to use an external wire antenna so it can > transmit its signal further. When my vehicle is parked in the garage > the signal transmits into my home and FM receivers in my bedroom and > living room. (snip) So you have the nuclear powered Sirius radio that gets reception in your garage? Idiot, satellite radio is line of sight. Wont work in a garage, under a bridge, or under anything that obstructs line of sight. DOH!
From: Klaatu on 7 Mar 2010 11:31 "Meat Plow" wrote in message news:3it3q8.g4.17.3(a)news.alt.net... > On Sat, 6 Mar 2010 21:34:52 -0600, "Klaatu" <nospam(a)today.com>wrote: > >> >> >>"Meat Plow" wrote in message news:3io6jd.23f.17.4(a)news.alt.net... >>> On Fri, 05 Mar 2010 11:49:56 -0600, "William R. Walsh" >>> <newsgroups1(a)idontwantjunqueemail.walshcomptech.com>wrote: >>> >>>>Hi! >>>> >>>>> So you pay 100 bucks for a receiver and get to listen >>>> > to the same commercial broadcast but now in near CD >>>> > quality sound? >>>> >>>>I guess you could say that, but I'm not sure that a good analog FM >>>>signal wouldn't already qualify as "near CD quality" sound...especially >>>>on a good tuner. >>>> >>>>I wanted to see what HD Radio was about (especially the subchannels), >>>>but I wasn't about to pay any $100 to do so! After looking inside, I'm >>>>convinced that someone is doing a pretty good job at inflating the >>>>price! >>>> >>>> > Being one that listens to music on the road I got really >>>> > disgusted with the ever increasing amount of commercials. >>>> >>>>Me too. And it's hard to find what I want to hear on the radio anyway. >>>>Stations seem so mercurial in their format changes any more...what >>>>format was on the radio an hour ago might not be there later... >>>> >>>>My solution has been to use an iPod, plugged into a cassette shell >>>>adapter or stereo miniplug to RCA connector cable. It's a beautiful >>>>thing to have on a long road trip. Before I had an iPod, I'd stick an >>>>old laptop under the seat and let it rip through the same cassette shell >>>>adapter. The battery held it for most trips, and when it didn't, I >>>>already had a power inverter handy. >>>> >>>>I also never hear a bad song that way. >>>> >>>>I haven't subscribed to satellite radio mainly because I can't listen to >>>>it on just any old receiver. So far as I know, I'd have to take the same >>>>receiver everywhere, and that's just an invitation for me to >>>>lose/misplace it. >>>> >>>>William >>> >>> >>> I have a receiver permanently mounted in my SUV. It transmits it's >>> signal over the FM broadcast band into the SUV's radio on whatever >>> freq I want. On occasion when I travel other stations overpowered the >>> sat receiver so I just took the FM antenna off the SUV. The sat >>> receiver has an option to use an external wire antenna so it can >>> transmit its signal further. When my vehicle is parked in the garage >>> the signal transmits into my home and FM receivers in my bedroom and >>> living room. (snip) >> >>So[SLAP] > > So wank off, fen-sucked pisswit. And meatball responds with an insult, but doesn't tell us how he gets satellite radio while his vehicle is parked in the garage.
From: Jeff Liebermann on 7 Mar 2010 12:19 On Fri, 05 Mar 2010 09:36:23 -0600, "William R. Walsh" <newsgroups1(a)idontwantjunqueemail.walshcomptech.com> wrote: >http://greyghost.mooo.com/hdtunetakeapart/ Very nice. A photo of the unit before disection might be useful. This might help with the Atmel tuner: <http://www.planetanalog.com/showArticle.jhtml?articleID=172303061> <http://www.atmel.com/dyn/resources/prod_documents/doc4994s.pdf> TI and Atmel partnered on the design. TI does the screaming media decoding. Atmel does the analog RF and conventional AM/FM decoding. So, did it work when you put it back together? How many spare screws? -- Jeff Liebermann jeffl(a)cruzio.com 150 Felker St #D http://www.LearnByDestroying.com Santa Cruz CA 95060 http://802.11junk.com Skype: JeffLiebermann AE6KS 831-336-2558
From: Jeff Liebermann on 7 Mar 2010 12:37
On Sat, 6 Mar 2010 21:34:52 -0600, "Klaatu" <nospam(a)today.com> wrote: >So you have the nuclear powered Sirius radio that gets reception in your >garage? >Idiot, satellite radio is line of sight. Wont work in a garage, under a >bridge, or under anything that obstructs line of sight. DOH! Try again... Both Sirius and XM have terrestrial repeaters to fill in dead spots in metropolitan areas, where tall buildings get in the way. <http://www.dogstarradio.com/sirius_map.php> XM Repeaters around Washington DC: <http://www.xm411.com/phpbb/album_pic.php?pic_id=9> Google Earth map of XM repeaters circa 2007: <http://802.11junk.com/jeffl/kml/XM-repeaters.kmz> (borrowed from Mike of xm411.com) Some photos of XM terrestrial repeaters. <http://ednixon.com/pix/2001/harvardownstairs/> <http://ednixon.com/pix/2001/xmharvard/> <http://www.telebeans.org/tmp/xm/XM-cabinet.jpg> -- Jeff Liebermann jeffl(a)cruzio.com 150 Felker St #D http://www.LearnByDestroying.com Santa Cruz CA 95060 http://802.11junk.com Skype: JeffLiebermann AE6KS 831-336-2558 |