UmTRX dual-channel Rx

Andrew Karpenkov plddesigner at gmail.com
Thu Jul 19 09:49:49 UTC 2012


Hi Andrey,

I'll do it ASAP and then send you flash image for FPGA.

Regards,
Andrew Karpenkov


2012/7/19 Andrey Sviyazov <andrey.sviyazov at fairwaves.ru>

> I found that both Rx divercity switches have zero state for A and B
> control inputs.
> Thus both LNA and LNA-D connectors are not switched to Rx inputs of the
> LMS's.
> To proceed Rx testing I suggest to set the next fixed states in the FPGA:
> DIVSW1_P = 1,  DIVSW1_N = 0,  DIVSW2_P = 1,  DIVSW2_N = 0.
> In this case LMS1 will be switched to LNA connector, but LMS2 to LNA-D.
>
> Andrew Karpenkov, would you please to make this kind changes, until DIVSW
> will controled by host?
>
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