... | @@ -7,9 +7,12 @@ The HP WR Timing Receiver is composed by two MTCA eRTM (Rear Transition Module) |
... | @@ -7,9 +7,12 @@ The HP WR Timing Receiver is composed by two MTCA eRTM (Rear Transition Module) |
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- RF board, using the slot 15. This board produces the Local Oscillator/Reference RF signals using a DDS as well as two configurable digital LVPECL clocks. They are distributed to the RTM/AMC slots of a MTCA.4 crate through the [MTCA.4 RF Backplane](https://www.nateurope.com/products/formfactors/MicroTCA.4//NAT-LLRF-Backplane)
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- RF board, using the slot 15. This board produces the Local Oscillator/Reference RF signals using a DDS as well as two configurable digital LVPECL clocks. They are distributed to the RTM/AMC slots of a MTCA.4 crate through the [MTCA.4 RF Backplane](https://www.nateurope.com/products/formfactors/MicroTCA.4//NAT-LLRF-Backplane)
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The two boards always go together (stacked in a "sandwich" form) into the neighboring backplane slots 14 and 15. Inter-board communication is done through a high speed board-to-board cable.
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The two boards always go together (stacked in a "sandwich" form) into the neighboring backplane slots 14 and 15. Inter-board communication is done through a high speed board-to-board cable.
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## Block Diagram
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## Block Diagram
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[![](/uploads/d88429836fda644e836e7e5c3a353abd/wr-llrf-scheme.png)](/uploads/d88429836fda644e836e7e5c3a353abd/wr-llrf-scheme.png)
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[![](/uploads/d88429836fda644e836e7e5c3a353abd/wr-llrf-scheme.png)](/uploads/d88429836fda644e836e7e5c3a353abd/wr-llrf-scheme.png)
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**Block diagram** - [image of board set](https://ohwr.org/project/ertm15-llrf-wr/wikis/uploads/d594d8c1f31562e10e2bcb4f4efaa1fb/eRTM14_15.jpg)
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