X B d V D iX Band Vacuum Devices

Presented by: Tony Johns, CPI Europe, Surrey, EnglandCPI Europe, Surrey, England

Tel: +44 (1932) 256 935 Fax: +44 (1932) 241 271 Mobile: +44 (7880) 507 913 Email: tony.johns@cpii.com

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

VKL-8301 Multiple Beam Klystronp y

Typical Operating ParametersTypical Operating Parameters

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

VTX-5681 Coupled Cavity TWTp y

100 kW P l d i X b d100 kW Pulsed in X-band

Typical Operating ParametersTypical Operating Parameters

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

CPI ResponseSheet Beam KlystronPPM Focused Klystron

VKX-7993 Klystrony

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

VKX-8293A Sheet Beam Klystrony

Sheet Beam TechnologySheet Beam TechnologyTypical Operating Parameters

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