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| cpi | 4cx20,000B cpi|4cW50,000J 4cx20,000B The 4CX20,000B is intended for use as a Class C RF power amplifier in AM broadcast service, for use as a push-pull audio amplifier or modulator, or as a pulse modulator. The anode is rated for 20 kW dissipation and incorporates a highly efficient cooler of new design, which significantly reduces air pressure and flow requirements and produces low acoustical noise. 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 20,000 Watts 450 Watts 200 Watts 30 MHz 6.7 Thoriated Tungsten 10.0 Volts 140 Amps Grounded Cathode 190 pf 23.5 pf 1.5 pf Grounded Grid 8. pf 24.5 pf 0.2 pf Forced Air Special, Coaxial SK-320 SK-326 --9.84 in; 249.90 mm 8.86 in; 225.04 mm 20.0 lb; 9.06 kg typeofservice RFpoweramplifier MaxiMuMRatings plate Voltage (Volts) 12,000 10,000 12,500 35,000 plate current (amps) 5.0 5.0 6.0 60 ypicalOpeRatiOn t plate current (amps) 4.01 4.60 9.2 --- Drive Output power power (Watts) (kiloWatts) 26 35 --- --- 28.2 29.0 44.0 --- classof Operation c c aB1 --- plate screen Voltage Voltage (Volts) (Volts) 9,000 7,800 7,800 --- 900 750 1,500 --- RFpoweramplifierplatemodulated aFamplifierormodulator(2tubes) pulsemodulatororregulator 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. Forinformationon 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: powergrid@cpii.com |
Price & Availability of 4CX20-000B
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