20130805Crab Cavities FPC &Power Amplifiers status
2
Amplifiers We have
6 x 352 MHz amplifiers1 x 400 MHz amplifier
We have started test with a first 352 MHz
Due to Long Shutdown 1no water -> on hold
We will restart in September
We should qualify our first400 MHz amplifierbefore end 2013
We will launch modification of3 additional 400 MHz amplifiers(4 in total) beginning 2014
Eric Montesinos, CERN-BE-RF
SPS 352 MHz amplifier 1994-2000
3
Amplifiers
Eric Montesinos, CERN-BE-RF
LLRF
Driver Final
Cryomodu
le
FPC
Transmission lines
4
AmplifiersRegarding full
reflection operation we need a circulator
We are in contact with suppliers, should not be a problem except some additional integration difficulties
Eric Montesinos, CERN-BE-RF
LLRF
Driver Final
Cryomodu
le
FPC
Transmission lines (WG or Coax)
Circulator
5
FPC vacuum side Will be the same window
for all 3 couplers Titanium flange AL2O3 - 99.6% disk ceramic 3D forged OFE Copper
antenna 3D forged OFE Copper Body
with Stainless Steel flanges 2 vacuum gauge ports
OD= 62 mm
ID = 27 mm
Eric Montesinos, CERN-BE-RF
Windows raw material under procurement Expected by end 2013
6
FPC water cooled Regarding Power levels,
50 kW CW full reflection,i.e. 200 kW CW locallyinner antenna water cooled Helicoflex 8”
▪ OD/ID = 195/88.5 mm▪ 400 MHz – 137 kW
Helicoflex 9”▪ OD/ID = 216.7/99.4 mm▪ 400 MHz – 287 kW
Crab FPC antenna OD = 27 mm
Water tube Antenna OD/ID = 27/21 mm Water tube OD/ID=17/13 mm
CERN rule for couplers No soldering, welding,… between
water and vacuum We will have an exception on the
ceramic side
Eric Montesinos, CERN-BE-RF
EBWWater/vacuum
End-shape EBWCopper/copper
End-shape
7
End-shape antenna
Eric Montesinos, CERN-BE-RF
4 rods14.5 mm rounding on the tip
Quarter Wave
Double Ridge
8
Double Walled TubeNot included in the
FPC
Part of the cryomodule
Length still to be defined (regarding cryomodule design)
Cavity flanges tbc by cryomodule team
RF OD 62 mmEric Montesinos, CERN-BE-RF
62 mm
114 mmtbd
tbd
tbd
9
Test box & WGTest box design
completed for 4 rods To be completed for
Double ridge and forQuarter Wave
Coaxial to Waveguide transition design completed
Antenna length awaiting DT design ?
Eric Montesinos, CERN-BE-RF
10
IntegrationStill a lot to do, but we
are confident that whatever the space available, we will be able to match with it
Key parameter is the distance between beam axis and the water inlet on the top of the waveguide Cryomodule design must
take it into accountEric Montesinos, CERN-BE-RF
2308
max
imum
1200
DT 1108
11
Schedule (December 2012)
Eric Montesinos, CERN-BE-RF
Cavities to be installed in SPS in December 2015 Cryostat fully tested Q3-2015 Cryostat fully dressed Q2-015 Couplers available for cryostat Q1-2015 Couplers RF processed 50 kW SW cw all phases Q4-2014 Couplers assembled in clean room Q2-2014 onto test box Special processes FPC + Test Box (Cleaning, Brazing, EB welding,
Gold plating, Ti coating) completed Q1-2014 All couplers + Test Box parts machined Q4-2013 All raw material delivered Q2-2013 All raw material ordered Q1-2013 (common) Coupler design completed February 2013 (+ Test Box !)
2013 2014 2015 2016
February
12
Schedule August 2013
Eric Montesinos, CERN-BE-RF
Cavities to be installed in SPS in December 2015 Cryostat fully tested Q3-2015 ? Cryostat fully dressed Q2-2015 ? Couplers available for cryostat Q1-2015 Q3-2015 Couplers RF processed 50 kW SW cw all phases Q4-2014 Q2-2015 Couplers assembled in clean room Q2-2014 onto test box Q4-2014 Special processes FPC + Test Box (Cleaning, Brazing, EB welding,
Gold plating, Ti coating) completed Q1-2014 Q3-2014 All couplers + Test Box parts machined Q4-2013 Q2-2014 All raw material delivered Q2-2013 Q4-2013 All raw material ordered Q1-2013 Q2-2013 Coupler design completed February October 2013 (+ Test Box !)
2013 2014 2015 2016
February October
13
Schedule August 2013
Eric Montesinos, CERN-BE-RF
Cavities to be installed in SPS in December 2015 Cryostat fully tested Q3-2015 ? Cryostat fully dressed Q2-2015 ? Couplers available for cryostat Q1-2015 Q3-2015 Couplers RF processed 50 kW SW cw all phases Q4-2014 Q2-2015 Couplers assembled in clean room Q2-2014 onto test box Q4-2014 Special processes FPC + Test Box (Cleaning, Brazing, EB welding,
Gold plating, Ti coating) completed Q1-2014 Q3-2014 All couplers + Test Box parts machined Q4-2013 Q2-2014 All raw material delivered Q2-2013 Q4-2013 All raw material ordered Q1-2013 Q2-2013 Coupler design completed February October 2013 (+ Test Box !)
2013 2014 2015 2016
February October
Urgent to decide the DT design
14
Schedule FPC key dates3D drawings for approval :
February October 2013
2D drawings (EDMS): March November 2013
Prototypes ready for tests: March December 2014
Couplers ready for cavity assembly : December 2014 June 2015
Eric Montesinos, CERN-BE-RF
15
Conclusion
Next steps : DT definition Launch couplers & test boxes
construction
Amplifier tests
Deal with integration issues
Eric Montesinos, CERN-BE-RF