... | @@ -3,7 +3,7 @@ |
... | @@ -3,7 +3,7 @@ |
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The FMC DEL 1ns 4cha *delay module* will take in a TTL trigger signal
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The FMC DEL 1ns 4cha *delay module* will take in a TTL trigger signal
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and will send it out to four different outputs. The delay from the
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and will send it out to four different outputs. The delay from the
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trigger input to each of the outputs can be set independently in a range
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trigger input to each of the outputs can be set independently in a range
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from 500 ns to 120 seconds. It is implemented using a dedicated
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from 600 ns to 120 seconds. It is implemented using a dedicated
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time-to-digital converter IC from the European company
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time-to-digital converter IC from the European company
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[Acam](http://www.acam.de/index.php?id=22&L=0).
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[Acam](http://www.acam.de/index.php?id=22&L=0).
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... | @@ -66,7 +66,7 @@ delay-v5-small.JPG |
... | @@ -66,7 +66,7 @@ delay-v5-small.JPG |
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</tr>
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</tr>
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<tr class="odd">
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<tr class="odd">
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<td>Trigger to output delay</td>
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<td>Trigger to output delay</td>
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<td>500 ns (min) to 120 seconds (max). Independent setting for each channel.</td>
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<td>600 ns (min) to 120 seconds (max). Independent setting for each channel.</td>
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</tr>
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</tr>
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<tr class="even">
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<tr class="even">
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<td>Output pulse repeat count (train generation)</td>
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<td>Output pulse repeat count (train generation)</td>
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... | @@ -330,10 +330,14 @@ The timebase from a local TCXO on FMC card needs calibration. The 4ppm accuracy |
... | @@ -330,10 +330,14 @@ The timebase from a local TCXO on FMC card needs calibration. The 4ppm accuracy |
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<td>18-06-2013</td>
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<td>18-06-2013</td>
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<td>V5-1 of design published. Improves jitter ([740](https://www.ohwr.org/project/fmc-delay-1ns-8cha/issues/14)).</td>
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<td>V5-1 of design published. Improves jitter ([740](https://www.ohwr.org/project/fmc-delay-1ns-8cha/issues/14)).</td>
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</tr>
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</tr>
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<tr class="odd">
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<td>20-06-2013</td>
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<td>Spec change for minimum delay: 600 ns (was 500 ns).</td>
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</tr>
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</tbody>
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</tbody>
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</table>
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</table>
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-----
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-----
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Erik van der Bij - 18 June 2013
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Erik van der Bij - 20 June 2013
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