The 4CX40,000GM is recommended for use in linear amplifier service. The anode is rated for 40 kW of dissipation with forced-air cooling and incorporates a highly efficient cooler of new design. Class of Operation Characteristics Plate Dissipation (Max.) Screen Dissipation (Max.) Grid Dissipation (Max.) Frequency for Max. rating (CW) Amplification Factor Filament/Cathode Voltage Current Capacitance Input Output Feedthrough Capacitance Input Output Feedthrough Cooling Base Air Socket Air Chimney Boiler Length Diameter Weight Maximum Ratings Type of Service Plate Voltage (Volts) Plate Current (Amps) 40,000 Watts 1,500 Watts 1,000 Watts 50 MHz 8 Thoriated Tungsten 15.0 Volts 165 Amps Grounded Cathode 447 pf 36 pf 1.5 pf Grounded Grid 155 pf 37 pf .15 pf Forced Air Special, Graduated Rings ------11.70 in; 29.72 cm 10.06 in; 25.55 cm 55 lb; 25.55 kg T ypical Operation Plate Screen Voltage Voltage (Volts) (Volts) Plate Current (Amps) Drive Output Power Power (Watts) (kiloWatts) C RF amplifier 14,000 10.0 10,600 800 7.0 250 60.0 AB1 RF linear amplifier 14,000 15.0 10.000 1,400 5.5 --- 50.0 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 information on this and other CPI products, visit our website at: www.cpii.com, or contact: CPI MPP Division, Eimac Operation, 607 Hansen Way, Palo Alto, CA 94303 telephone : 1(800) 414-8823. fax : (650) 592-9988 | email : [email protected] CPI | 4CX40,000GM CPI | 4CW50,000J 4CX40,000GM