RF Layout 3pi/2 for Discussion. 2 RF Design mtg 14/1/15 Output line from amplifier is lower than the PRY, needs to go high to clear PRY to couple to South.

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Presentation transcript:

RF Layout 3pi/2 for Discussion

2 RF Design mtg 14/1/15 Output line from amplifier is lower than the PRY, needs to go high to clear PRY to couple to South RF couplers Already have the 6” coax to go over the wall No advantage in going through the wall Flexible coax Line Trimmers Hybrid Splitter Directional Coupler in each line 4616 Pre Amplifier TH116 Amplifier 500kw Dummy Load Directional Coupler 6 inch

3 RF Design mtg 14/1/15 MTA advised not to use ‘T’ splitters, suggested hybrid splitter was a far better solution as it isolated the cavity couplers from each other. Propose to have 1off dummy load on the hybrid splitter to each RF cavity.

4 RF Design mtg 14/1/15 2 nd TH116 amplifier moved to 3 rd position behind wall to use the space and ease installation in congested area Sufficient space on wall for additional identical water services panel……John Govans would like to modify existing panel.

5 RF Design mtg 14/1/15 Crane hook height fully retracted will not clash with the coax Option for crane operation maybe to skate equipment under high level coax line Services to dummy loads not yet been considered……need to speak to Jason

6 RF Design mtg 14/1/15

7 Some clashes with existing vacuum shield current scheme. Hybrids splitters can move upstream & downstream to avoid clash, achieved by setting correct rotation angles on coax lines Suggest mounting coax supports off PRY steel work…….need to liaise with Jason & Steve Plate

8 Comments Output line from amplifier is lower than the PRY needs to go high to clear PRY to couple to South RF couplers. No advantage of going through the wall. Crane hook height fully retracted will not clash with the coax. May need to skate loads under high level coax lines to avoid venting and refilling with SF6. Directional couplers included in layout 3 in total (1 off 6 inch, 2off 4 inch)…..these have been delivered 4” flexible coax 1m long shown in vertical lines…..these have been delivered Line trimmers to take up any length corrections…..these have been delivered Hybrid shown with existing 500KW loads (2off) …..these have been delivered Moved the second amplifier to position 3 behind wall to allow more space Run coax in 6inch as far as possible to the flexible coax line Will require additional and/or modified 6inch coax line lengths Current scheme is 4” coax under floor, be very difficult to run 6” coax under the floor Need to model the hybrid path lengths in the coax line….this will shift the RF distribution central axis off the cooling channel central axis