Selectivity improvement solutions proposal for UmTRX

Andrey Sviyazov andreysviyaz at
Mon Mar 19 08:30:05 UTC 2012

Hi Alexander.

Actualy I don't know side-type connectors for cable.
I suggested you PCB side connector (like PCI) for debugging only.
Moreover, there are a lot SMD connectors for IDC flat cable, BHS-10 for

Best regards,
Andrey Sviyazov.

19 марта 2012 г. 10:14 пользователь Alexander Chemeris <
alexander.chemeris at> написал:

> Andrey,
> 2012/3/19 Andrey Sviyazov <andreysviyaz at>:
> > 5) Regarding connectors, I only can suggest to use the two angle
> SMA-female
> > connectors for outputs which will stick out through the panel of the
> housing
> > (as you can use the angle SMA connectors, but for GPS and CLK_I/O on the
> > UmTRX board). At the same time for the internal 4 connectors we can use
> some
> > cheap like U.FL and cable assemblies U.FL-MCX or  U.FL-U.FL. Signal
> > CLK_26MHz,  6.5VDC, SPI and Switch controls will go via IDC control
> > connector.
> IDC connectors on a UmTRX and on a RF board will be connected with a
> flat ribbon cable?
> Why don't you want to use a side connector?
> --
> Regards,
> Alexander Chemeris.
> CEO, Fairwaves LLC / ООО УмРадио
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