Selectivity improvement solutions proposal for UmTRX
alexander.chemeris at gmail.com
Mon Mar 19 08:48:03 UTC 2012
What I proposed is to use a side connector to connect UmTRX PCB and RF
board OCB side-to-side, without a cable. This way we need two
connectors and no cables at all. Downside of this solution is less
flexibility in the RF board placement, but do we really need this
2012/3/19 Andrey Sviyazov <andreysviyaz at gmail.com>:
> 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 gmail.com> написал:
>> 2012/3/19 Andrey Sviyazov <andreysviyaz at gmail.com>:
>> > 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?
>> Alexander Chemeris.
>> CEO, Fairwaves LLC / ООО УмРадио
CEO, Fairwaves LLC / ООО УмРадио
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