The need of duplexer in low power operation

Alexander Chemeris alexander.chemeris at gmail.com
Thu Oct 11 11:06:52 UTC 2012


On Thu, Oct 11, 2012 at 3:01 PM, Sylvain Munaut <246tnt at gmail.com> wrote:
>> You mean bandpass filters? Are they only on Rx side or both Tx and Rx?
>
> Yes, bandpass filters. (SAW or Ceramic, possibly both)
>
> nanoBTS has both side. You can clearly see them here :
> http://openbsc.osmocom.org/trac/wiki/nanoBTS/Internals
> sysmoBTS I know has RX filters, I don't remember about TX.

Hum, I don't see how is that different from a duplexer if they have
both Rx and Tx filters. Do you know any particular reason for this
design?


-- 
Regards,
Alexander Chemeris.
CEO, Fairwaves LLC / ООО УмРадио
http://fairwaves.ru




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