400 watt, 5.725 - 7.10 ghz, cw traveling wave tube, periodic-permanent-magnet focused, coaxial input, waveguide output, conduction cooled. custom confgurations are also available. these variations in the performance and confguration include: mechanical con - fguration, electrical and rf connections, and dual-stage depressed collector. 400 w, c-band helix twt series cpi | 4cw50,000j for information on this and other cpi products, visit our website at: www.cpii.com , or contact: cpi mpp division, 607 hansen way, palo alto, ca 94303 telephone : 1(800) 414-8823. fax : (650) 856-0705 | email : marketing@cpii.com cpi0509 the values listed above represent specifed limits for the product and are subject to change. the data should be used for basic information only. formal, controlled specifcations may be obtained from cpi for use in equipment design. cpi | 400 w, c- b and h el i x twt s er i e s fea t ure s ? 400 watt ? ppm focusing ? coaxial input ? waveguide output ? weight: 7.5 lbs. max ? conduction cooled ? dual stage collector model frequen c y po w er ou tp u t (ghz) (m i n) vtc-6264d4 5.85 - 7.1 400 w VTC-6264D2C 5.85 - 7.1 400 w vtc-6264d5c 5.725 - 5.825 400 w t y pic al op era ti n g p aram e t er s max i mum m i ni mum t y pic al un its filament voltage: 6.3 5.9 --- vdc filament current: 1.8 1.0 1.4 a helix voltage: 9.1 8.4 8.8 kvdc helix current: 15 --- 6 m a dc collector voltage 1: .55 e w .49 e w .50 e w kvdc collector current 1: 175 --- 125 m a dc cathode current: 310 --- 290 m a dc collector voltage 2: .35 e w .31 e w .32 e w kvdc collector current 2: 310 --- 160 m a dc cathode warm-up time: --- 3 3 m inutes d rive power: 10 --- 6 mw baseplate temp: 120 --- 85 c prime power: --- --- --- watts l oad vsw r : 1.5:1 --- < 1.25 vsw r
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