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Microwave Tubes

CW Klystrons

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typical operation

CW Klystrons
Image Type Frequency
(MHz)		 Average
Power
(kW)		 Efficiency
(%)		 Gain
(dB)		 Beam
Volt.
(kV)		 Beam
Curr.
(A)		 Weight
(kg)		 Length
(m)		 Down
load
- E37705 325 600 60 41 71 14.3 1,100 4.5 -
E3774 E3774 499.7/500.1 180 53 42 42 8.1 340 2.6 -
- E3774,U2 499.7 170 58 42 42 6.8 400 2.6 -
E3732 E3732 508.6/508.9 1,200 63 56 93 20.5 1,250 4.4 -
- E37701* 1,017.80 1,200 63 60 93 20.5 1,100 3.3 -
- E3718 1,250 1,200 63 48 85 22.4 1,250 3.5 -
- E37750 1,300 300 63 40 49 9.7 180 1.8 -
- E3762* 5,000 500 50 48 68 15 970 2.6 -
Notes
  1. Type*: Under development

Long Pulse Klystrons (pulse length: over 500μsec)

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typical operation

Pulsed Klystrons Lineup Table
Image Type Fre-
quency
(MHz)		 Peak
Power
(MW)		 Average
Power
(kW)		 Effi-
ciency
(%)		 Gain
(dB)		 Pulse
Length
(μs)		 Pulse
Rate
(pps)		 Beam
Volt.
(kV)		 Beam
Curr.
(A)		 Weight
(kg)		 Length
(m)		 Down
load
E3740A E3740A 324/
325		 3 93 55 50 620 50 110 50 730 4.5 -
- E37621 350 1.6 144 58 45 1,500 60 106 26 770 4.8 -
- E37633 352 1.25 375 55 47 1,500 - 90 30 - 5.3 -
- E37504 704.4 1.5 73.5 66 47 3,500 14 108 21 600 3 -
- E37506 805 5 450 55 53 1,500 - 131 69 - 3.8 -
E3766A E3766A 972 3 93 55 50 620 50 110 50 500 3 -
- E37503 1,000 20 150 70 54 150 50 159 180 630 3.1 -
- E37501 1,300 0.8 6 57 46 1,500 5 64 22 70 1.2 -
E3736H E3736/
E3736H		 1,300 10 150 66 49 1,500 10 115 132 340 2.3 -
- E3794* 8,200 25kW 0.25 15 41 1sec 0.01 31 5.1 150 1.1 -
Notes
  1. Type*: Under development

Medium Pulse Klystrons (pulse length: 10μsec to 500μsec)

typical operation

Pulsed Klystrons Lineup Table
Image Type Fre-
quency
(MHz)		 Peak
Power
(MW)		 Average
Power
(kW)		 Effi-
ciency
(%)		 Gain
(dB)		 Pulse
Length
(μs)		 Pulse
Rate
(pps)		 Beam
Volt.
(kV)		 Beam
Curr.
(A)		 Weight
(kg)		 Length
(m)		 Down
load
- E3729 2,856 24/34 4.3/12.8 31/34 50/52 18/13 10/30 284/312 280/328 380 1.9 -
- E3794* 8,200 100kW 0.1 35 47 20 500 39 7.2 150 1.1 -
Notes
  1. Type*: Under development

Short Pulse Klystrons (pulse length: under 10μsec)

Click photo to enlarge.

typical operation

Pulsed Klystrons Lineup Table
Image Type Fre-
quency
(MHz)		 Peak
Power
(MW)		 Average
Power
(kW)		 Effi-
ciency
(%)		 Gain
(dB)		 Pulse
Length
(μs)		 Pulse
Rate
(pps)		 Beam
Volt.
(kV)		 Beam
Curr.
(A)		 Weight
(kg)		 Length
(m)		 Down
load
- E37612 1,428 30 10.8 40 48 6 60 295 260 450 2 -
E3772A E3772A 2,856 7.5 6 45 51 4 200 150 110 40 1 -
- E37323,A 2,856 10.5 10.5 45 51 4 - 180 151 - 1.1 -
- E37300 2,856 20 4 41 52 4 50 222 222 160 1.5 -
- E37308 2,856 25 20 40 50 4 200 246 256 160 1.5 -
- E37311 2,856 30 56.3 40 48 3 625 266 284 160 1.6 -
- E3754 2,856 40 8 43 51 4 50 285 326 140 1.4 -
E3730A E3730A 2,856 50 10 45 51 4 50 312 362 140 1.4 -
- E37306 2,856 50 7.5 40 52 3 60 368 335 350 1.7 -
- E37340 2,856 50 26.3 42 50 4 150 320 370 350 1.6 -
- E37314 2,856 60 24 41 53 4 100 360 412 600 2 -
- E3729 2,856 70 14 42 55 4 50 378 451 380 1.9 -
E3712 E3712 2,856 80/100 16/5 42/46 53/56 4/1 50 400/422 480/522 380 1.9 -
- E37320 2,856 80 19.2 42 53 4 60 400 480 380 1.9 -
- E37334 2,860 25 5 39 50 4 50 251 251 140 1.4 -
- E37326 2,998 7.5 7.5 43 48 5 200 158 111 42 1 -
- E37348 2998.5 7.5 36 40 50 10 - 160 116 - 1.3 -
- E37325 2,998 10 10 45 48 4 250 175 130 50 1 -
- E37325,A 2,998 10.5 2.5 45 54 4.5 - 180 151 - 1.1 -
- E37310 2,998 37 16.7 40 48 5 100 295 320 300 1.5 -
- E37302A 2,998 45 2.7 40 52 3 20 315 356 160 1.5 -
- E37327A 2,998 45 20 40 51 4.5 - 325 400 - 1.3 -
- E37333 2,998 70 21 40 53 3 100 387 452 600 2 -
- E37202 5,712 50 7.5 43 52 3 60 360 323 300 1.4 -
- E37212 5,712 50 15 43 52 3 100 360 323 600 1.5 -
- E37214 5,712 50 15 41 52 3 120 370 330 350 1.4 -
- E37115,B 11,424 6 12 40 49 5 400 160 96 150 1 -
- E37116 11,424 20 12 47 52 2 400 260 164 300 1.3 -
- E37113 11,994 6 12 39 48 5 400 155 98 150 1 -
- E37118 11,989 20 12 40 47 1.5 - 270 182 - 1.3 -
- E37123 11,994 6 12 39 47 5 - 175 115 - 0.9 -
- E37119 11,994 25 15 40 50 1.5 - 318 197 - 1.3 -

Couplers

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Couplers
Image Type Frequen
cy
(MHz)		 Input
Power		 CW/
Pulse		 Flange Cooling Weight
(kg)		 Length
(mm)		 Down
load
Input Output
COUPLERS
- E42144 176 11.4kW CW coaxial coaxial - 12 420 -
- E42135 322 10kW CW coaxial coaxial FA 10 532 -
E4277 E4277 324 400kW 620µs WX-152D ICF203 L 60 1,230 -
- E4294 324 400kW 620µs WX-152D WX-77D L 70 819 -
- E42148 325 300kW CW WR2300 ICF203 L 64 475 -
E4262 E4262 500.1 300kW CW WR1500 ICF203 L,FA 50 708 -
- E4263 508.6 300kW CW WR1500 ICF203 L,FA 50 990 -
E4268 E4268 508.9 800kW CW WR1500 ICF203 L,FA 50 703 -
- E42107 508.9 800kW CW WR1500 ICF203 L,FA 55 765 -
- E4274 508.9 40kW CW ICF203 WX-120D L 30 820 -
- E42163 650 100kW CW WR1150 coaxial - 40 1,065 -
- E42128 704 1.2MW 3.6msec coaxial coaxial L 10 312 -
- E42109 1,300 20kW CW coaxial coaxial - 25 750 -
- E42111 1,300 300kW CW coaxial coaxial L,FA 13 603 -
- E42100 1,300 1MW/
500kW		 400µs/
1.3msec		 WR650 coaxial C 25 730 -
- E42101 1,300 1MW 1.5msec coaxial coaxial C 25 607 -
- E42130* 1,300 1MW 1.5msec coaxial coaxial C 25 607 -
WINDOWS
- E4271/E42110 508.6 350kW CW 152D/coaxial 152D/coaxial L 15 377 -
E4278 E4278 805 550kW 1.3msec coaxial coaxial FA 10 408 -
- E42103 2856 42MW/
10kW		 4μs "SLAC type
Round flange
“Male”		 "SLAC type
Round flange
“Female”		 A 10 260 -
- E42113 2856 25MW/
20kW		 5μs "SLAC type
Round flange
“Male”		 "SLAC type
Round flange
“Female”		 L 15 275 -
- E42131 2,856 5.5MW/
47.5kW		 15μs CPR-284F
Compatible		 CPI
Type Flange		 L 10 297 -
- E42120 2,998 38MW/
20kW		 4.5μs WR-284
LIL type flange		 WR-284
LIL type flange		 L 15 285 -
- E42137 5,712 5.5MW/
5kW		 4μs WR-187
RIKEN DESY
type flanges		 WR-187
RIKEN DESY
type flanges		 L 9 307 -
- E42143 11,994 40MW 0.15μs CERN Type CERN Type L 7 301 -
- E42170 11,994 6MW 5μs CERN Type CERN Type L 21 159 -
Notes
  1. C : Conducting Cooling、FA : Forced Air Cooling、L : Liquid Cooling
  2. Type*　Under development

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