Hi Jiang Wenyi.

System clock of UmTRX is 26 MHz.
And the same for synchronizing clock I/O.
Thereafter system clock devided by 2 in each UnTRX to get 13 MHz interleaved I/Q sample clock.

Best regards,
Andrey Sviyazov.
(Sent from mobile)
24.07.2013 4:42 ÐÏÌØÚÏ×ÁÔÅÌØ "jiangwy" <wyjiang@ljshuoda.com> ÎÁÐÉÓÁÌ:
>
> Andrey Sviyazov
> š
> If I connect X7 between master and slave, then the clock ofšmaster is 13MHz and the clock of slave is 26MHz. Is that right?
> š
> Best regards,
> Jiang Wenyi
> š
> From:šAndrey Sviyazov
> Date:š2013-07-23š22:59
> To:šwyjiang
> CC:šUmTRX
> Subject:šRe: How to syncronizing two UmTRXs
> Hi Jiang Wenyi.
>
> To synchronize clock of several UmTRX you have to leave one of them in master mode,š
> but all others must be switched to slave mode.
> Master/slave control switch for 26MHz clock is S3(MHz).
> I/O connector for 26 MHz clock is X7.
> In case of master mode X7 becomes output and input in case of slave mode.
> To set master mode turn switch S3 to the downward and to upward for the slave mode.
> Please find text on the PCB board to be sure.
>
> BTW, if you would like to use external clock source then all of UmTRX's must be in slave mode,š
> i.e. their clock connectors must be inputs.
>
> Best regards,
> Andrey Sviyazov.
>
>
> 2013/7/23 jiangwy <wyjiang@ljshuoda.com>
>>
>> Hi All,
>> š
>> I have two UmTRXs v2. How to make the clock of them syncronized?
>> š
>> ________________________________
>> Jiang Wenyi
>
>