E. KAKO (KEK) 2010' August, 02 meeting Global Design Effort 1 Summary of Low Power RF Tests in S1-G Cryomodule E. Kako, H. Hayano, S. Noguchi,

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E. KAKO (KEK) 2010' August, 02 meeting Global Design Effort 3 Low power rf tests in S1-G. Stroke of motor tuner. Q L of variable input coupler. Adjustment of fo = MHz QL = 3.0 x Calibration of Qt, monitor coupler. HOM filter property. Qext of HOMs. Stroke and hysteresis of piezo tuner. Single pulse response of piezo tuner. Multi-pulse response of piezo tuner. Stability and reproducibility of fo. Mechanical vibration modes (cw). Damping of mechanical vibration. FFT analysis of mechanical vibration. Cross-talk of vibr. between two cavities

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E. KAKO (KEK) 2010' August, 02 meeting Global Design Effort 1 Summary of Low Power RF Tests in S1-G Cryomodule E. Kako, H. Hayano, S. Noguchi, M. Satoh, T. Shishido, K. Watanabe, Y, Yamamoto N. Ohuchi, Y. Kojima, H. Nakai, T. Matsumoto (KEK, Japan) C. Pagani, A. Bosotti, R. Pararella (INFN, Italy) Y. Pischalnikov (FNAL, USA) E. KAKO (KEK) 2010' August, 02 meeting Global Design Effort 2 Low power rf tests in S1-G 2010, June - July E. KAKO (KEK) 2010' August, 02 meeting Global Design Effort 3 Low power rf tests in S1-G. Stroke of motor tuner. Q L of variable input coupler. Adjustment of fo = MHz QL = 3.0 x Calibration of Qt, monitor coupler. HOM filter property. Qext of HOMs. Stroke and hysteresis of piezo tuner. Single pulse response of piezo tuner. Multi-pulse response of piezo tuner. Stability and reproducibility of fo. Mechanical vibration modes (cw). Damping of mechanical vibration. FFT analysis of mechanical vibration. Cross-talk of vibr. between two cavities E. KAKO (KEK) 2010' August, 02 meeting Global Design Effort 4 Low power rf tests in S1-G Four types of frequency tuning system with piezo tuner Two types of input couplers with variable coupling Blade Tuner / center (FNAL) Saclay Tuner / end (DESY) Slide-Jack Tuner / center Slide-Jack Tuner / end (KEK) TTF-III Coupler (DESY/FNAL)STF-II Coupler (KEK) E. KAKO (KEK) 2010' August, 02 meeting Global Design Effort 5 Stroke of Motor Tuner Cryomodule - CCryomodule - A Trouble of two motor tuners occurred in C2/ACC011 (Blade) and A4/MHI-09 (Slide-Jack/end) !! MHz MHz MHz E. KAKO (KEK) 2010' August, 02 meeting Global Design Effort 6 Blade Tuner for FNAL Cavities C2/ACC011 cavity Blade tuner does not work. One piezo does not go > +110V. E. KAKO (KEK) 2010' August, 02 meeting Global Design Effort 7 Slide-Jack Tuner for KEK Cavities A4/MHI-09 cavity Slide-Jack tuner does not work. E. KAKO (KEK) 2010' August, 02 meeting Global Design Effort 8 Q L of Variable Input Coupler 3. X 10 6 Cryomodule - CCryomodule - A Q L = 2.0 ~ 8. x 10 6 (FNAL) Q L = 1.3 ~ 4. x 10 6 (DESY) Q L = 2.0 ~ 4. x 10 6 (KEK) E. KAKO (KEK) 2010' August, 02 meeting Global Design Effort 9 Adjustment of Frequency and Q L Cavity Frequency Loaded Q (Q L ) 1. C1/AES MHz 3.02 x C2/ACC MHz 3.01 x C3/Z MHz 3.04 x C4/Z MHz 3.01 x A1/MHI MHz 2.93 x A2/MHI MHz 2.95 x A3/MHI MHz 2.96 x A4/MHI MHz 3.05 x 10 6 E. KAKO (KEK) 2010' August, 02 meeting Global Design Effort 10 Calibration of Q t, Q HOM1, Q HOM2 Cavity Q t Q t (VT) error Q HOM1 Q HOM2 1.C1/AES x x % 6.08 x x C2/ACC x x % 9.45 x x C3/Z x x % 9.23 x x C4/Z x x % 4.93 x x A1/MHI x x % 1.90 x x A2/MHI x x % 1.53 x x A3/MHI x x % 9.27 x x A4/MHI x x % 9.96 x x10 13 error of Q t = -20 / +28 % Q HOM1, Q HOM2 > 1 x10 12, OK E. KAKO (KEK) 2010' August, 02 meeting Global Design Effort 11 Hysteresis of Piezo Tuner (Cryo-A) 50Hz/div 100Hz/div50Hz/div 50W RF Amp. + PLL (Vpiezo = 0 ~ +500V) 200Hz 350Hz 450Hz A1; MHI-05 KEK A3; MHI-07 KEK A2; MHI-06 KEK A4; MHI-09 KEK E. KAKO (KEK) 2010' August, 02 meeting Global Design Effort 12 Hysteresis of Piezo Tuner (Cryo-C) 50W RF Amp. + PLL (Vpiezo = 0 ~ +200V) C1; AES004 FNAL C2; ACC011 FNAL C3; Z108 DESY C4; Z109 DESY 500Hz/div200Hz/div 2500Hz 600Hz 1000Hz Breakdown at 110V E. KAKO (KEK) 2010' August, 02 meeting Global Design Effort 13 Pulse Response by Pezo Tuner (Cryo-A) Piezo Drive Frequency = 250 Hz Pt Piezo Drive Pulse (freq., Vpp) Single Pulse Response (parameters ; frequency ; amplitude ; delay time) E. KAKO (KEK) 2010' August, 02 meeting Global Design Effort 14 Single Pulse Response (Cryo-A) A1; MHI-05 KEK A2; MHI-06 KEK A3; MHI-07 KEK A4; MHI-09 KEK 50W RF Amp. + PLL (Vpiezo = 470V, 400Hz) 270Hz 450Hz 470V E. KAKO (KEK) 2010' August, 02 meeting Global Design Effort 15 Single Pulse Response (Cryo-C) C4; Z109 DESY C2; ACC011 FNAL C1; AES004 FNAL C3; Z108 DESY 1000Hz 600Hz 1100Hz 1200Hz 135V100V 180V170V 50W RF Amp. + PLL (Vpiezo : 400Hz) E. KAKO (KEK) 2010' August, 02 meeting Global Design Effort 16 Single Pulse Response (Cryo-A + Cryo-C) DESY Saclay tuner 1 piezo (2 F) FNAL Blade tuner 2 piezo (4 F) KEK Slide-Jack tuner 1 piezo (0.2 F) E. KAKO (KEK) 2010' August, 02 meeting Global Design Effort 17 Mechanical Vibration Modes (Cryo-A) A1/MHI-05A2/MHI-06 A3/MHI-07A4/MHI-09 Pt Vpiezo 10 o /div. 500V 250V 5 Hz 250 Hz 5 pulse 250 Hz 5 pulse 250 Hz 5 pulse 250 Hz 5 pulse Pt Vpiezo E. KAKO (KEK) 2010' August, 02 meeting Global Design Effort 18 Mechanical Vibration Modes (Cryo-C) C1/AES004C2/ACC011 C3/Z108C4/Z109 Pt Vpiezo 10 o /div. 25 o /div. 10 o /div. 25V 5 Hz 250 Hz 5 pulse 250 Hz 5 pulse 250 Hz 5 pulse 250 Hz 5 pulse Pt Vpiezo E. KAKO (KEK) 2010' August, 02 meeting Global Design Effort 19 Mechanical Vibration Modes (Cryo-A&C) CW mode measurementSingle-pulse mode measurement C4/Z109: Vpiezo = +40V, 1kHz A2/MHI-06: Vpiezo = +200V, 1kHz 5 o /div. FFT Analysis FFT Analysis 100ms/div. 4ms/div. Vpiezo = +100V, 100Hz, cw A4/MHI-09: Pt Frequency sweep, manually E. KAKO (KEK) 2010' August, 02 meeting Global Design Effort 20 Mechanical Vibration Modes (Cryo-A) Vpiezo = +200V (CW) 536Hz 351Hz 246Hz Vpiezo = +200V, 1 kHz (1 pulse) 227Hz 318Hz521Hz 378Hz 535Hz 516Hz 323Hz 225Hz A1/MHI-05 A2/MHI-06 A1/MHI-05 A2/MHI-06 E. KAKO (KEK) 2010' August, 02 meeting Global Design Effort 21 Mechanical Vibration Modes (Cryo-A) Vpiezo = +200V (CW) 206Hz 298Hz Vpiezo = +200V, 1 kHz (1 pulse) 571Hz 382Hz 330Hz 326Hz 459Hz 561Hz 194Hz 297Hz A3/MHI-07 A4/MHI-09 A3/MHI-07 A4/MHI-09 E. KAKO (KEK) 2010' August, 02 meeting Global Design Effort 22 Mechanical Vibration Modes (Cryo-C) Vpiezo = +15V (CW) 201Hz 354Hz 504Hz 345Hz 168Hz126Hz 529Hz Vpiezo = +40V, 1 kHz (1 pulse) 345Hz 179Hz 509Hz 356Hz 204Hz C1/AES004 C2/ACC011 E. KAKO (KEK) 2010' August, 02 meeting Global Design Effort 23 Mechanical Vibration Modes (Cryo-C) Vpiezo = +15V (CW) 320Hz 261Hz 246Hz 332Hz Vpiezo = +40V, 1 kHz (1 pulse) 260Hz 322Hz 448Hz 245, 252Hz 313Hz 436Hz C3/Z108 C4/Z109 E. KAKO (KEK) 2010' August, 02 meeting Global Design Effort 24 Propagation of Mechanical Vibration Pt Vpiezo Pt Vpiezo A1/A2 (KEK) C3/C4 (DESY) C1/C2 (FNAL) A3/A4 (KEK) 10 o /div. 250Hz, 40V 200Hz, 40V 330Hz, 400V 535Hz, 400V A1 A2 C3C1 A3 A4 C2C4 100ms/div. 1 o /div. E. KAKO (KEK) 2010' August, 02 meeting Global Design Effort 25 Microphonic vibration A1/MHI-05 (KEK)A3/MHI-07 (KEK) C1/AES004 (FNAL)C3/Z108 (DESY) 222Hz326Hz 25Hz252Hz E. KAKO (KEK) 2010' August, 02 meeting Global Design Effort 26 Schedule of High Power Tests