The 3CX1000A7/8283 high-mu triode is intended for Class AB2 linear amplifier service in either grid-driven or cathode driven configuration. It is recommended for use as a grid driven push-pull audio amplifier or modulator and as a cathode driven linear amplifier through the VHF-TV bands. 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) 1,000 Watts --45 Watts 220 MHz 200 Thoriated Tungsten 5.0 Volts 30.5 Amps Grounded Cathode 32.0 pf 0.15 pf 14 pf Grounded Grid 32.0 pf 14.0 pf .15 pf Forced Air Special breechblock SK-860 SK-870 --4.80 in; 121.90 mm 3.38 in; 85.80 mm 2.0 lb ; 0.91 kg T ypical Operation Plate Screen Voltage Voltage (Volts) (Volts) Plate Current (Amps) Drive Output Power Power (Watts) (kiloWatts) C Grid driven RF amplifier 3,500 0.7 --- --- --- --- --- C Grid driven RF amplifier plate modulated 2,000 0.55 --- --- --- --- --- AB2 Cathode driven RF linear amplifier 3,500 1.0 3,500 --- 0.86 100 2060 AB2 Grid driven amplifier or modulator 3,500 1.0 2,500 --- 2.0 44 3100 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 Operations, 607 Hansen Way, Palo Alto, CA 94303 telephone : 1(800) 414-8823. fax : (650) 592-9988 | email : [email protected] CPI | 3cX1000A7/ 8283 CPI | 4CW50,000J 3CX1000A7/8283