XB dV D i X Band Vacuum Devices Presented by: Tony Johns, CPI Europe, Surrey, England CPI Europe, Surrey, England Tel: +44 (1932) 256 935 Fax: +44 (1932) 241 271 Mobile: +44 (7880) 507 913 Email: [email protected]With material from: Adam Balkcum Steve Lenci Mike Cusick Peter Kolda With material from: Adam Balkcum, Steve Lenci, Mike Cusick, Peter Kolda CPI, Palo Alto, California, USA
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X B d V D iX Band Vacuum Devices
Presented by: Tony Johns, CPI Europe, Surrey, EnglandCPI Europe, Surrey, England
With material from: Adam Balkcum Steve Lenci Mike Cusick Peter KoldaWith material from: Adam Balkcum, Steve Lenci, Mike Cusick, Peter KoldaCPI, Palo Alto, California, USA
Historical Timeline
1990:
1935: Eimac Division founded as Eitel McCullough, Inc.
1954:CMP Division is established in Canada
1965:Eitel-McCullough merges with Varian Associates to form Eimac Division
Eimac awarded an Emmy for technological achievement Klystrode IOT
2001:Current management team takes leadership
2007:CPI acquires Malibu Research
1950 1960 1970 19801940 1990 20041930 2001
McCullough, Inc. Canada
2006 2007
Associates
1950 1960 1970 19801940 1990 20041930 2001
1948: 1959: 1971: 1995:
2006
2004: 2006:
2007
1948:CPI is originated as founding technology group of Varian Associates
1959:Varian Associates acquires Bomac Labs in Beverly, MA.
1971:Varian integrates SFD Labs of Union, NJ with Beverly MA, division renamed
1995:Leonard Green & Partners, L.P. purchases entire Electron Devices Business from
2004:Cypress Group Acquires CPI
2006:CPI stock publicly trades -NASDAQ: “CPII"
BMD Varian and forms CPI
CPI Acquires Econco Broadcast Service
CPII
MPP & Eimac divisions consolidate
Communications & Power Industries Inc.
Publicly heldPublicly held NASDAQ: “CPII" Established in August 1995 Worldwide Sales and Service Organization1,700 Employees Worldwide
Six autonomous business units:Six autonomous business units:BMD Beverly, MA, U.S.A. CMP Georgetown, ONT, CanadaEconco Woodland, CA, U.S.A.MPP Palo Alto, CA, U.S.ASatcom Georgetown ONT Canada (Manufacturing)Satcom Georgetown, ONT, Canada (Manufacturing)
Palo Alto, CA, U.S.A (R&D, Marketing, Service)Malibu Research Associates, Camarillo, CA, U.S.A.
2
Manufacturing/R&D Locations
Communications & Medical Products Division—Manufacturing Operation
g/
Georgetown, Ontario, Canada
Woodland, California
Beverly, MABeverly Microwave Products Division
Palo Alto, California
—R&D, Marketing, Service Camarillo, CAMalibu Research Associates
CPI Specialitiesp
hHigh PowerHigh EfficiencyBroad Product Offering
Consultative Engineering Services
Products Suppliedpp
Kl MKlystronsGyrotronsHelix TWTs
MagnetronsCross-Field AmplifiersX Ray GeneratorsHelix TWTs
Coupled Cavity TWTsRing Bar TWTs
X-Ray GeneratorsSatellite Communications Ring Bar TWTs
Power Grid TubesInductive Output Tubes
amplifiersAntennas
Helix X Band Products
VTX6389G5
Typical Operating Parameters
Frequency 8.15 GHzPower Output CW 2 5 kWPower Output CW 2.5 kWEfficiency 59 %Beam Voltage 15 kVBeam Current 1 A
Frequency 1.3 GHzPeak Power Output 10 MWAve. Power Output 150 kWPower Asymmetry 0.7 %Efficiency 59 %Beam Voltage 120 kVBeam Voltage 120 kVBeam Current 141 A Microperveance 3.4RF Pulse Length 1.5 msSaturated Gain 49 dBCathode loading 2.2 A/cm2
Used in European X-Ray FEL at DESY. Potential use in ILC. Horizontal version in progress with integrated X-ray shielding and cart currently in test.
VKL-9130 IOT
T i l O ti P tTypical Operating Parameters
Frequency 1.3 GHzPeak Power 90 kWBeam Voltage 42 kVBeam Current 3.4 ABandwidth (-1 dB) 2 MHzGain 20 dBEfficiency 60 %Efficiency 60 %
Recent testing successful at FZDCurrently developing 120 kW CW device
VKX-7864B Klystrony
250 kW CW in X-Band
Typical Operating Parameters
Power Output 250 kWBeam Voltage 51 kVBeam Voltage 51 kVBeam Current 11.05 ASupply Power 564 kWEfficiency 44 %Frequency 8.560 GHz1dB Bandwidth 60 MHzSaturated Gain 45 dBCavities 6Cavities 6Cooling Method liquid
Frequency 10 GHzPeak Power Output 100 kWPeak Power Output 100 kWDuty 35 %Saturated Gain 49 dB Bandwidth (-1 dB ) 1 GHzBandwidth ( 1 dB ) 1 GHzBeam Voltage 45 kVBeam Current 11 A
VKX-7841 Klystrony
Typical Operating Parameters
Frequency 9 5 GHz
Used in experimental accelerator research circa 1980, 5 were made Very compactFrequency 9.5 GHz
Peak Power Output 650 kWAve. Power Output 0.2 kWSaturated Gain 71 dB
d d h ( d )
made. Very compact.
Bandwidth (-1 dB ) 45 MHzEfficiency 28 %Beam Voltage 8 kVBeam Current 30 A
Recent Advancements
k dMarket driversRequirements for higher efficiencyDesire for lower beam voltagesNeed for smaller size
2 7 MW P l d2.7 MW PulsedTypical Operating Parameters
Frequency 9.3 GHzPeak Power 2.7 MWPeak Power (goal) 5.5 kWSaturated Gain 52 dBSaturated Gain 52 dB Bandwidth (-1 dB ) 65 MHzEfficiency 43 %Beam Voltage 120 kVgBeam Current 52 A
Compact device, recently in productionCompact device, recently in production
Frequency 9.35 GHzPeak Power Output 2.7 MWAve. Power Output 0.3 kWS t t d G i 42 dBSaturated Gain 42 dB Efficiency 25 %Beam Voltage 76 kVBeam Current 144 ABeam Current 144 A
Sheet Beam Klystrony
Sheet Beam Formation
CathodeDrift Tunnel
Focus Electrode
Anode
VKX-8293A Sheet Beam Klystrony
f bBeam transmission was 63% for above parameters. B t t i i 94% t h lBest transmission was 94% at a much lower operating voltage. C th d iti ill b dj t d t iCathode position will be adjusted to improve transmission.
Conclusions
X b d f f tilX band frequency range fertileEfficiency continues to improve, over 60%Si f d t h i kiSize of products shrinkingModern design codes allow complex analysis of beam dynamicsof beam dynamicsNew RF structures possiblePower outputs from hundreds of watts toPower outputs from hundreds of watts to tens of megawattsAttracting new engineers into vacuum device g gfield