TTC WEB PAGETTC UPGRADE HOMENEW SYSTEMTTC RECEIVER CRATERF2TTC SPECIFICATIONSRF_Rx & RF_Tx

 

NEW SYSTEM

Last updated: 29/09/2008 11:07


The new system will be composed of a backbone managed by the AB/RF group, and a receiver crate installed in the experiments, converting the RF timing signals into TTC compliant Bunch Clocks and Orbits.


RF timing signals:

Three Bunch Clock signals (one for each ring plus one reference clock) will be transmitted, as well as one orbit per ring.

  Protons Lead ions
450GeV equivalent 400.788790 MHz 400.784139 MHz
7 TeV equivalent 400.789658 MHz 400.789639 MHz

AB/RF equipment:


TTC equipment in the experiments:

The equipment installed in the experiment is basically a receiver crate, composed of:


Support and maintenance:


Fibre installation - all the fibres are installed since December 2007:


2006 test beam:


Global Documentation:


Updated price of the system per experiment:

Previous scheme (with Analogue Tx and Rx):

Note: this scheme does not include, neither the spares for Tx and Rx, nor the cost of the fibre patching.

Note: table extracted from the agreement on TTC upgrade signed on November 2005.

New scheme (with Digital Tx and Rx):

  Unit price Price Comments
2Tx modules (=6 lasers) 3kCHF 6kCHF worst scheme considered: the attenuation is too high and we have to implement 2Tx modules per experiment.
2Rx modules + 1 hot spare 2kCHF 6kCHF  
2 RF2TTC 2.5kCHF 5kCHF  
Fibres (patchs, splitters) 2kCHF 2kCHF estimation
Spares (20%)   4kCHF  
Total per experiment   23kCHF Worst case for the transmission (no split), and including 20% for the spares and one hot spare in the experiments

 

 


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Last Updated by Sophie BARON on 29/09/2008 11:07

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