Two doubts concerning WBX and **TX

Hello people,
I’d like to know if I can do some modification in the WBX to go as low
as
26MHz, is it possible?
If not, what is better - BasicTX or LFTX, and what kind of RF frontend
should I use - amplifiers and what more? Is there any transmitter
daughterboard that covers bands lower than 50MHz for the USRP?

I have a USRP1.

Best Regards,
Rafael D.

On Mon, May 3, 2010 at 10:32 AM, Rafael D. [email protected] wrote:

Hello people,
I’d like to know if I can do some modification in the WBX to go as low as
26MHz, is it possible?
If not, what is better - BasicTX or LFTX, and what kind of RF frontend
should I use - amplifiers and what more? Is there any transmitter
daughterboard that covers bands lower than 50MHz for the USRP?

I’m certainly not the best person to explain daughterboard RF
characteristics, but using a BasicTX I was able to generate an
avalanche beacon signal, which operates at 457 kHz. With no added
amplifier, it worked with a commercial transceiver up to a few meters.
Depending on your transmit power needs, the BasicTX may suffice. I’ve
never seen or used a LFTX, so I can’t comment on it.

Thomas

On 05/03/2010 07:32 AM, Rafael D. wrote:

Hello people,
I’d like to know if I can do some modification in the WBX to go as low as
26MHz, is it possible?
If not, what is better - BasicTX or LFTX, and what kind of RF frontend
should I use - amplifiers and what more? Is there any transmitter
daughterboard that covers bands lower than 50MHz for the USRP?

Most of the parts on the WBX will not go below 50 MHz. Specifically,
the synthesizer will not go down far enough to get to 26 MHz.

Matt

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