... | @@ -24,18 +24,10 @@ transmitters. |
... | @@ -24,18 +24,10 @@ transmitters. |
|
|
|
|
|
The design is based on the following existing modules:
|
|
The design is based on the following existing modules:
|
|
|
|
|
|
<table>
|
|
|optical transmitter | [CTDAB](https://wikis.cern.ch/display/HT/CTDAB+-+Laser+pulse+transmitter) |
|
|
<tbody>
|
|
|----|----|
|
|
<tr class="odd">
|
|
|optical receiver | [CTDPR](https://wikis.cern.ch/display/HT/CTDPR+-+Optical+fiber+pulse+receiver) |
|
|
<td>optical transmitter</td>
|
|
|
|
<td>[CTDAB](https://wikis.cern.ch/display/HT/CTDAB+-+Laser+pulse+transmitter)</td>
|
|
|
|
</tr>
|
|
|
|
<tr class="even">
|
|
|
|
<td>optical receiver</td>
|
|
|
|
<td>[CTDPR](https://wikis.cern.ch/display/HT/CTDPR+-+Optical+fiber+pulse+receiver)</td>
|
|
|
|
</tr>
|
|
|
|
</tbody>
|
|
|
|
</table>
|
|
|
|
|
|
|
|
(\*) *Note on project name: After discussion, this was the name selected
|
|
(\*) *Note on project name: After discussion, this was the name selected
|
|
for the board. It does not comply with other RTM names fron the
|
|
for the board. It does not comply with other RTM names fron the
|
... | @@ -49,79 +41,29 @@ the same way as the conv-ttl-rtm motherboard (without piggyback)* |
... | @@ -49,79 +41,29 @@ the same way as the conv-ttl-rtm motherboard (without piggyback)* |
|
|
|
|
|
## Specifications
|
|
## Specifications
|
|
|
|
|
|
<table>
|
|
|**Parameter** | **Value** |
|
|
<tbody>
|
|
|----|----|
|
|
<tr class="odd">
|
|
|**Number of channels** | 3 |
|
|
<td><strong>Parameter</strong></td>
|
|
|**Optical inputs per channel** | 1 |
|
|
<td><strong>Value</strong></td>
|
|
|**Optical outputs per channel** | 2 |
|
|
</tr>
|
|
|**Wavelength** | 1310nm |
|
|
<tr class="even">
|
|
|**Supported fiber type** | Single mode |
|
|
<td><strong>Number of channels</strong></td>
|
|
|**Fiber connector** | ST |
|
|
<td>3</td>
|
|
|**Allowed attenuation** | max 10dB (10km fiber with 10 connections) |
|
|
</tr>
|
|
|**Optical signal characteristics** | Transmission/ Reception of CERN's GMT signal (500 kHZ DC balanced signal) and of single pulses: <br/> Minimum pulse width: 100 ns <br/> Maximum frequency: 1 MHz <br/> Maximum pulse width: 1 ms <br/> Minimum frequency: None, as long as maximum pulse width is respected |
|
|
<tr class="odd">
|
|
|**Latency (μ)** | < 250 ns (see also [Pulse-Repetition-Performance-Measurements](Pulse-Repetition-Performance-Measurements)) |
|
|
<td><strong>Optical inputs per channel</strong></td>
|
|
|**Jitter (2σ)** | <200 ps (see also [Pulse-Repetition-Performance-Measurements](Pulse-Repetition-Performance-Measurements)) |
|
|
<td>1</td>
|
|
|
|
</tr>
|
|
|
|
<tr class="even">
|
|
|
|
<td><strong>Optical outputs per channel</strong></td>
|
|
|
|
<td>2</td>
|
|
|
|
</tr>
|
|
|
|
<tr class="odd">
|
|
|
|
<td><strong>Wavelength</strong></td>
|
|
|
|
<td>1310nm</td>
|
|
|
|
</tr>
|
|
|
|
<tr class="even">
|
|
|
|
<td><strong>Supported fiber type</strong></td>
|
|
|
|
<td>Single mode</td>
|
|
|
|
</tr>
|
|
|
|
<tr class="odd">
|
|
|
|
<td><strong>Fiber connector</strong></td>
|
|
|
|
<td>ST</td>
|
|
|
|
</tr>
|
|
|
|
<tr class="even">
|
|
|
|
<td><strong>Allowed attenuation</strong></td>
|
|
|
|
<td>max 10dB (10km fiber with 10 connections)</td>
|
|
|
|
</tr>
|
|
|
|
<tr class="odd">
|
|
|
|
<td><strong>Optical signal characteristics</strong></td>
|
|
|
|
<td>Transmission/ Reception of CERN's GMT signal (500 kHZ DC balanced signal) and of single pulses:<br />
|
|
|
|
Minimum pulse width: 100 ns<br />
|
|
|
|
Maximum frequency: 1 MHz<br />
|
|
|
|
Maximum pulse width: 1 ms<br />
|
|
|
|
Minimum frequency: None, as long as maximum pulse width is respected</td>
|
|
|
|
</tr>
|
|
|
|
<tr class="even">
|
|
|
|
<td><strong>Latency (μ)</strong></td>
|
|
|
|
<td>< 250 ns (see also [Pulse-Repetition-Performance-Measurements](Pulse-Repetition-Performance-Measurements))</td>
|
|
|
|
</tr>
|
|
|
|
<tr class="odd">
|
|
|
|
<td><strong>Jitter (2σ)</strong></td>
|
|
|
|
<td><200 ps (see also [Pulse-Repetition-Performance-Measurements](Pulse-Repetition-Performance-Measurements))</td>
|
|
|
|
</tr>
|
|
|
|
</tbody>
|
|
|
|
</table>
|
|
|
|
|
|
|
|
-----
|
|
-----
|
|
|
|
|
|
## Versions
|
|
## Versions
|
|
|
|
|
|
<table>
|
|
|**Version** | **Hardware Design Files** |
|
|
<tbody>
|
|
|----|----|
|
|
<tr class="odd">
|
|
|[1.1](https://www.ohwr.org/versions/187) * | [EDA-03760-V1-1](http://edms.cern.ch/nav/EDA-03760-V1-1) |
|
|
<td><strong>Version</strong></td>
|
|
|[1.0](https://www.ohwr.org/versions/180) | [EDA-03760-V1-0](http://edms.cern.ch/nav/EDA-03760-V1-0) |
|
|
<td><strong>Hardware Design Files</strong></td>
|
|
|
|
</tr>
|
|
|
|
<tr class="even">
|
|
|
|
<td><a href="https://www.ohwr.org/versions/187">1.1</a> *</td>
|
|
|
|
<td>[EDA-03760-V1-1](http://edms.cern.ch/nav/EDA-03760-V1-1)</td>
|
|
|
|
</tr>
|
|
|
|
<tr class="odd">
|
|
|
|
<td>[1.0](https://www.ohwr.org/versions/180)</td>
|
|
|
|
<td>[EDA-03760-V1-0](http://edms.cern.ch/nav/EDA-03760-V1-0)</td>
|
|
|
|
</tr>
|
|
|
|
</tbody>
|
|
|
|
</table>
|
|
|
|
|
|
|
|
-----
|
|
-----
|
|
|
|
|
... | @@ -149,65 +91,25 @@ Minimum frequency: None, as long as maximum pulse width is respected</td> |
... | @@ -149,65 +91,25 @@ Minimum frequency: None, as long as maximum pulse width is respected</td> |
|
|
|
|
|
## Status
|
|
## Status
|
|
|
|
|
|
<table>
|
|
|**** | **** |
|
|
<tbody>
|
|
|----|----|
|
|
<tr class="odd">
|
|
|15-07-2017 | Start working on project. |
|
|
<td><b> <strong>Date</strong> </b></td>
|
|
|06-09-2017 | First schematics for a prototype. |
|
|
<td><b> <strong>Event</strong> </b></td>
|
|
|27-10-2017 | Prototypes received |
|
|
</tr>
|
|
|06-12-2017 | Prototypes validated |
|
|
<tr class="even">
|
|
|08-12-2017 | Meeting and [presentation](https://www.ohwr.org/project/conv-rs485-opt-rtm/wikis/Documents/Presentation-on-optical-repeater-design) to [discuss](https://www.ohwr.org/project/conv-rs485-opt-rtm/uploads/2edd6bbeb4d50cc81522850baf2f3ef7/Outcome_of_meeting_on_optical_repeater_design.htm) design choices and outstanding issues |
|
|
<td>15-07-2017</td>
|
|
|15-12-2017 | [V1-Schematic-Review](V1-Schematic-Review) held at CERN BE-CO-HT |
|
|
<td>Start working on project.</td>
|
|
|02-02-2018 | [V1-PCB-Review](V1-PCB-Review) held at CERN BE-CO-HT |
|
|
</tr>
|
|
|22-02-2018 | Board moved to production of 5 prototypes |
|
|
<tr class="odd">
|
|
|05-04-2018 | 5 v1.0 prototypes have been received. Now to be tested |
|
|
<td>06-09-2017</td>
|
|
|03-05-2018 | Prototypes validated in the labs. Now being tested in CERN installations |
|
|
<td>First schematics for a prototype.</td>
|
|
|28-06-2018 | Order made for 800 pieces of the FD13R0S1STXS-4BX4 sugar cube transmitters |
|
|
</tr>
|
|
|01-10-2018 | Transmitters received, 120 boards in production |
|
|
<tr class="even">
|
|
|
|
<td>27-10-2017</td>
|
|
|
|
<td>Prototypes received</td>
|
|
|
|
</tr>
|
|
|
|
<tr class="odd">
|
|
|
|
<td>06-12-2017</td>
|
|
|
|
<td>Prototypes validated</td>
|
|
|
|
</tr>
|
|
|
|
<tr class="even">
|
|
|
|
<td>08-12-2017</td>
|
|
|
|
<td>Meeting and <a href="https://www.ohwr.org/project/conv-rs485-opt-rtm/wikis/Documents/Presentation-on-optical-repeater-design">presentation</a> to <a href="https://www.ohwr.org/project/conv-rs485-opt-rtm/uploads/2edd6bbeb4d50cc81522850baf2f3ef7/Outcome_of_meeting_on_optical_repeater_design.htm">discuss</a> design choices and outstanding issues</td>
|
|
|
|
</tr>
|
|
|
|
<tr class="odd">
|
|
|
|
<td>15-12-2017</td>
|
|
|
|
<td><a href="V1-Schematic-Review" class="uri">V1-Schematic-Review</a> held at CERN BE-CO-HT</td>
|
|
|
|
</tr>
|
|
|
|
<tr class="even">
|
|
|
|
<td>02-02-2018</td>
|
|
|
|
<td><a href="V1-PCB-Review" class="uri">V1-PCB-Review</a> held at CERN BE-CO-HT</td>
|
|
|
|
</tr>
|
|
|
|
<tr class="odd">
|
|
|
|
<td>22-02-2018</td>
|
|
|
|
<td>Board moved to production of 5 prototypes</td>
|
|
|
|
</tr>
|
|
|
|
<tr class="even">
|
|
|
|
<td>05-04-2018</td>
|
|
|
|
<td>5 v1.0 prototypes have been received. Now to be tested</td>
|
|
|
|
</tr>
|
|
|
|
<tr class="odd">
|
|
|
|
<td>03-05-2018</td>
|
|
|
|
<td>Prototypes validated in the labs. Now being tested in CERN installations</td>
|
|
|
|
</tr>
|
|
|
|
<tr class="even">
|
|
|
|
<td>28-06-2018</td>
|
|
|
|
<td>Order made for 800 pieces of the FD13R0S1STXS-4BX4 sugar cube transmitters</td>
|
|
|
|
</tr>
|
|
|
|
<tr class="odd">
|
|
|
|
<td>01-10-2018</td>
|
|
|
|
<td>Transmitters received, 120 boards in production</td>
|
|
|
|
</tr>
|
|
|
|
</tbody>
|
|
|
|
</table>
|
|
|
|
|
|
|
|
-----
|
|
-----
|
|
|
|
|
|
Erik van der Bij - Eva Gousiou - Dimitris Lampridis - Denia
|
|
Erik van der Bij - Eva Gousiou - Dimitris Lampridis - Denia
|
|
Bouhired-Ferrag - October 2018
|
|
Bouhired-Ferrag - October 2018
|
|
|
|
|
|
|
|
|