The 4CX5000A/8170 is useful as an oscillator, amplifier or modulator at frequencies up to 220 MHz, Class AB1 audio amplifier, or as a screen-modulated radio frequency amplifier. The rated plate dissipation is 5 kW for most classes of services and 6 kW for Class AB operation. 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) 6,000 Watts 250 Watts 75 Watts 220 MHz 4.5 Thoriated Tungsten 7.5 Volts 75 Amps Grounded Cathode 120.0 pf 20.5 pf 0.7 pf Grounded Grid 56.0 pf 21.5 pf 0.1 pf Forced Air Special Coaxial SK-300A/SK-360 SK-306/SK-356 --9.13 in; 231.8 mm 4.94 in; 125.4 mm 9.5 lb; 4.3 kg T ypical Operation Plate Screen Voltage Voltage (Volts) (Volts) Plate Current (Amps) Drive Output Power Power (Watts) (kiloWatts) C RF amplifier 7,500 3.0 6,500 750 2.3 100 10.0 C RF amplifier plate modulated 5,500 2.5 5,000 500 1.4 25 5.8 C RF amplifier screen modulated 7,500 3.0 7,500 350 1.1 11 3.55 AB1 RF linear amplifier 7,500 4.0 7,500 1,250 1.9 --- 10.0 AB1 AF amplifier or modulator 7,500 4.0 7,000 1,250 3.7 --- 17.5 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 | 4CX5000A/ 8170 CPI | 4CW50,000J 4CX5000A/8170