Will it be possible to feed in a reference clock to the ADALM-PLUTO?

I'm interested in whether it would be possible to use the ADALM-PLUTO time-of-arrival localization. This requires a very stable clock. I wonder whether it will be possible to feed in an external reference clock? In the revision-B schematics, it looks like there is no connector or jumper to switch from the built-in 40MHz oscillator to an external clock.

Also, if I do feed the clock from an external source (even if this involves removing the 40MHz oscillator), how difficult will it be to switch from 40MHz to 10Mhz? I see that the AD9363 does support 10MHz clocks, but will it is reasonably easy to configure the firmware for this clock frequency?

Thanks, Sivan Toledo, Tel-Aviv University

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  • hi,

    as a suggestion since is not so easy to solder and external clock input instead the C123 maybe should be great in rev. C to add some kind of test point (or even a connector) to feed the external clock with a jumper to select the input source.

    This is the typical solution in most fpga development kits but maybe you have a better solution.

    Thanks.

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  • hi,

    as a suggestion since is not so easy to solder and external clock input instead the C123 maybe should be great in rev. C to add some kind of test point (or even a connector) to feed the external clock with a jumper to select the input source.

    This is the typical solution in most fpga development kits but maybe you have a better solution.

    Thanks.

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