HIGH POWER MMW AMPLIFIER 35 GHz 800 Watts CW RF Power MODEL SERIES VKQ 2488 DESCRIPTION Model VKQ2488 is a series of air-cooled CW Extended Interaction Klystrons used for communications, radar, instrumentation and scientific applications. Frequencies are available from 24 GHz to 38 GHz producing 800 Watts CW power with a 1dB bandwidth of 500 MHz. This high gain vacuum electron device is remarkably compact, has long life and a highly stable output. The VKQ 2488 series of EIKs may be integrated with a CPI power conditioner providing a compact self-contained and reliable High Power Amplifier (HPA) transmitter subsystem. TYPICAL ELECTRICAL PERFORMANCE 62 BANDPASS PERFORMANCE Output Power (dBm) Center Frequency 34.5 GHz 60 CW Output Power 800 W 58 Bandwidth (-1dB) 540 MHz 56 Drive Power to Saturate 10 mW Cathode Voltage -9.55 kV Cathode Current 443 mA Anode Voltage +5.72 kV 48 Collector Depression 35.6% 46 Efficiency 31% 44 34.1 -1 dB Bandwidth 540 MHz 54 52 50 Frequency (GHz) 34.2 34.3 34.4 34.5 34.6 34.7 34.8 TYPICAL ENVIRONMENT Temperature: Operating 0ºC to +60ºC THIRD ORDER INTERMODULATION vs OUTPUT POWER BACK OFF -5.0 Temperature:Non-operating -40ºC to +75ºC Humidity 100% rel, non-condensing -10.0 Altitude 3000 metres max. -15.0 Waveguide Pressurization 200 kPa max. COOLING Type: Forced Air Flow Rate: Collector: 600 lbs/hr Pressure Drop: Collector 1.0 inches of water, nom IM3 (dB) 2 TONES 18 MHz apart 34.45 GHz 34.65 GHz 34.25 GHz -20.0 -25.0 -30.0 -35.0 Output Power Back Off (dB) -40.0 0.0 5.0 10.0 15.0 20.0 The values listed represent typical performance from testing. Formal controlled specifications, with minimum and maximum values, for use in equipment design, may be obtained from CPI. For more information please contact your local CPI sales office or CPI Canada, they may be found on our web site at: www.cpii.com OUTLINE DRAWING MECHANICAL Input and Output Waveguides: WR‑28 Input and Output Flanges: Mate with UG‑599/U Power Supply/Connections: Colour Coded Flying Leads, 18.0 inches min length Weight: 13.0 kg For information on this and other CPI products please contact CPI Canada, a field office or local representative they may be found on our web site at: www.cpii.com CPI Canada 45 River Drive, Georgetown, Ontario, Canada. L7G2J4 Telephone +1-905-877-0161 e-mail: [email protected]