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resources:eval:user-guides:ad-fmcomms5-ebz:hardware:configuration_options [14 Oct 2014 21:50] – created Wyatt Taylor | resources:eval:user-guides:ad-fmcomms5-ebz:hardware:configuration_options [02 Dec 2014 20:12] – [External Clock] - fix typo Robin Getz | ||
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===== External Clock ===== | ===== External Clock ===== | ||
- | By default the FMComms5 uses a Rakon 40MHz RX03225M | + | By default the FMComms5 uses a Rakon 40MHz RXO3225M |
This on board reference can be bypassed by placing C301 and removing R360. In this configuration an external reference clock can be injected into J301. The level of the external reference should be ensured to not exceed the ADCLK846 input conditions, and it will still be used to distribute the reference clock to the two AD9361s. | This on board reference can be bypassed by placing C301 and removing R360. In this configuration an external reference clock can be injected into J301. The level of the external reference should be ensured to not exceed the ADCLK846 input conditions, and it will still be used to distribute the reference clock to the two AD9361s. |