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Russian Vacuum Electronics (reference materals).
Ed. M.I. Petelin

Series of BWOs continuously tunable within millimeter-submillimeter wave band

A.A.Negirev

FSUE RPC "Istok", Fryazino, General director A.N. Korolev, Istkor@elnet.msk.ru

The BWOs frequency tuned by the cathode voltage have the following parameters:

mm-wave BWOs

Parameters

OB-69

OB-70

OB-71

OB-86

OB-1

Frequency band, GHz

36-55

52-79

78-119

118-178

177-260

Minimum output CW power, mW

15-40

12-30

6-30

6-20

6-15

Operating voltage, kV

0.4-1.2

0.4-1.2

0.5-1.5

0.5-1.5

0,7-1,9

Submm-wave BWOs

Parameters

OB-66

OB-65

OB-67

OB-80

OB-81

OB-82

OB-83

OB-84

OB-85

Frequency band, GHz

177-263

258-375

370-535

530-714

690-850

790-970

900-1100

1070-1200

1170-1400

Minimum CW output , mW

1-10

1-10

1-5

1-5

1-5

0.5-3

0.5-3

0.5-2

0.5-2

Operating voltage, kV

1-4

1-4

1-4

1.5-6

1.5-6

1.5-6

1.5-6

1.5-6

1.5-6

The tables contain only guaranteed levels of output power. However some tubes have much higher outputs: for instance, 140
GHz BWOs deliver over 100 mW CW and 300 GHz BWOs deliver 5-10 mW CW.

Scheme of BWO 118-178 GHz
BWO of ~10 mW power