for additional information on cpi mpp products contact: cpi mpp, helix twt operation - 811 hansen way, palo alto, ca 94303-0750 phone: 650-846-3900, fax: 650-494-8779, email: marketing@mpp.cpii.com , www.cpii.com/mpp dual ? band, cw helix twt series, 1000 w, 5.85 ghz to 6.425 ghz, and 2000 w, 7.90 ghz to 8.40 ghz, periodic-permanent, magnet focused, coaxial input, waveguide output, forced air cooled. custom configurations are also available. these variations in the performance and configuration include: mechanical configuration, electrical and rf connections, & dual stage depressed collector. the values listed above represent specified limits for the pro duct and are subject to change. the data should be used for basic information only. formal, controlled specifications may be obtained from cpi for use in equipment design. features ? dual band (c/x) ? 5.85 ghz ? 6.425 ghz, 1 kw ? 7.90 ghz ? 8.40 ghz, 2 kw ? ppm focusing ? coaxial input ? waveguide output ? any mounting position ? weight: 25 lbs. max ? forced-air cooled ? separate equalizer provided for c-band operating parameters heater voltage heater surge current helix voltage collector voltage 1 collector voltage 2 collector current 1 collector current 2 parameters: ef if ew eb1 eb2 ib1 ib2 units: vdc a kvdc kvdc kvdc madc madc maximum: 6.6 5 15.4 62% of ew 32% ew 990 650 minimum: 6.0 - - - 13.9 58% of ew 28% ew - - - - - - typical: helix current drive power cathode warm- up time load vswr collector temperature air flow inlet air temp parameters: iw pd tk units: madc mw minutes c ib/hr c maximum: 22 adj. - - - 1.7:1 150 - - - 52 minimum: - - - - - - 3 - - - - - - 628 - - - typical: model number frequency power output (ghz) (min.) VTX-6379E1 5.85 ? 6.425/7.9 ? 8.4 1000/2000 w
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