400 W, CW High Efficiency Helix TWT Series, 13.75 GHz to 14.50 GHz, Coaxial Input, Waveguide Output, and Conduction Cooled. Custom configurations are also available. These variations in the performance and configuration include: mechanical configuration, electrical and RF connections, & dual stage depressed collector. Model Number Frequency (GHz) Power Output (Min.) VTU-6392D2A VTU-6392D2B VTU-6392D5U VTU-6392D2X 13.75 – 14.5 13.75 – 14.5 12.75 – 14.5 13.75 – 14.5 400 W 400 W 350 W 350 W Operating Parameters Features • • • • • • 400 Watts Coaxial Input Waveguide Output Weight: 6 lbs. max Conduction Cooled Dual Stage Collector Units: Maximum: Minimum: Typical (400 W): Typical (350 W): Units: Maximum: Minimum: Typical (400 W): Typical (350 W): Filament Voltage Vdc 6.4 6.2 6.3 Filament Current A 1.8 1.0 1.3 Helix Voltage kV 9.0 8.2 8.8 Helix Current mA 10.0 4.0 Collector Voltage 1 % 51.0 49.0 50.0 6.3 1.3 8.8 4.0 50.0 Collector Voltage 2 Collector Current 2 Cathode WarmUp Time minutes Drive Power Baseplate Temp. % 33.0 31.0 32.0 mA 300 dBm °C 280 dc 3 0 32.0 265 dc 3 +2 Collector Current 1 mA 150 10 dc 130 rf 10 dc 110 rf Prime Power Load VSWR Watts 1100 VSWR 1.5 85 1050 1.2 85 950 1.2 10 The values listed above represent specified limits for the product 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. 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: [email protected], www.cpii.com/mpp