Re: [Discuss-gnuradio] choice of antenna and daughter board

[Mark J . Blair]

Oops... I meant to send this to the list.

Begin forwarded message:

> From: "Mark J. Blair" <address@hidden>
> Date: March 3, 2011 6:38:46 PM PST
> To: ranjini ram <address@hidden>
> Subject: Re: [Discuss-gnuradio] choice of antenna and daughter board
> 
> 
> On Mar 3, 2011, at 6:15 PM, ranjini ram wrote:
>> Am sorry i forgot to mention the frequency range.am concentrating on FM 
>> broadcast transmissions i.e.88-108Mhz.i found like both TVRX operates in 
>> 50-860hz.This lead to confusion in choosing the daughter board.please do 
>> help me in this.
> 
> 
> Ok, that helps! The TVRX boards will be able to receive the FM broadcast 
> band, according to the specifications on the Ettus site (I haven't used these 
> boards myself). So can the WBX (I have one, and I've used it to receive FM 
> broadcast transmissions). The WBX is more expensive, but it also covers a 
> wider tuning range and is capable of transmitting, in case you expect a 
> future need for either of those.
> 
> The BasicRX won't receive FM broadcast band transmissions by itself, because 
> it doesn't include an RF front end. It might be possible to hack up a regular 
> FM broadcast band receiver to use as a front end, since I think that they 
> commonly use a 10.7 MHz intermediate frequency. It'll really depend on what 
> you're trying to accomplish and how much you feel like tinkering.
> 
> For an antenna, if you're just trying to receive a strong local station, you 
> might get by with a few feet of wire attached to the center pin of the SMA 
> connector and laying on the table. Sure, a properly tuned antenna will work 
> better, but for receive-only and strong signals, a random length of wire 
> might be enough.
> 
> -- 
> Mark J. Blair, NF6X <address@hidden>
> Web page: http://www.nf6x.net/
> GnuPG public key available from my web page.
> 
> 
> 
> 



-- 
Mark J. Blair, NF6X <address@hidden>
Web page: http://www.nf6x.net/
GnuPG public key available from my web page.