400 W, CW Helix TWT Series, 5.850 GHz to 7.100 GHz, Periodic-Permanent, Magnet Focused, 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.) VTC-6264D4 VTC-6264D2C VTC-6264D5C 5.85 – 7.1 5.85 – 7.1 5.725 – 5.825 400 W 400 W 400 W Operating Parameters Features • • • • • • • • 400 Watts PPM Focusing Coaxial Input Waveguide Output Any Mounting Position Weight: 7.5 lbs. max (6.8 typical 3.1 kg) Conduction Cooled Dual Stage Collector Heater Voltage Heater Surge Current Helix Voltage Collector Voltage 1 Collector Voltage 2 Cathode Current Parameters: Ef If (surge) Ew Eb1 Eb2 Ik Units: Maximum: Minimum: Typical: V 6.3 5.9 6.3 A 5.0 --<5 kVdc 9.1 8.4 8.8 kVdc 0.55 Ew 0.49 Ew .50 Ew kVdc 0.35 Ew 0.31 Ew .32 Ew mAdc 310 --290 Helix Current Cathode WarmUp Time tk minutes --3 Load VSWR Baseplate Temp. Iw mAdc 15 --- Drive Power (Rated Po) Pd mW 10 --- 1.5:1 --- °C 120 --- mA (dc) 175 --- 6 6 3 <1.25 85 125 Parameters: Units: Maximum: Minimum: Typical: Collector 1 Current Collector 2 Current Ib1 Ib2 mA (dc) 310 --160 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