For Science and Technology

For Nuclear Fusion

Lineup

Microwave Tubes

CW Klystrons

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
- E3762* 5,000 500 50 48 68 15 970 2.6 -
Notes
  1. Type* Under development

Long Pulse Klystrons (pulse length: over 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
- 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
- E3794* 8,200 100kW 0.1 35 47 20 500 39 7.2 150 1.1 -
Notes
  1. Type*: Under development

Gyrotrons

Gyrotrons
Image Type Frequency
(GHz)
Output
Power
(kW)
Output
Aperture
(cm)
Output
Mode
Weight
(kg)
Length
(m)
Magnet Down
load
- E39200 28 1,000 11.2 TEM00 750 2.6 S/C -
- E3988 77 1,000 8 TEM00 820 3.1 S/C -
- E39101 110/138 1,000 8 TEM00 820 3.1 S/C -
- E39210 154 1,000 8 TEM00 820 3.1 S/C -
- E3998 170/137/104 1,000 8 TEM00 820 3.1 S/C -
- E39104 170 1,000 8 TEM00 820 3.1 S/C -
- E39103 170/137 1,000 8 TEM00 820 3.1 S/C -
- E39207 104 / 137 1,000 8 TEM 00 820 3.1 S/C -
- E39212* 170 / 137 / 104 1,000 8 TEM 00 820 3.1 S/C -
- E39216* 28 10 6 TE 02 45 1.2 S/C -
Notes
  1. S/C : Super Conducting Magnet
  2. The technology related to the development or manufacture of vacuum electrical equipment used at frequencies above 31.8 GHz is subject to the Export Control Act based on Wassenaar Arrangement 3.E.3.g.

Inquiry About Products