The 4CX1000A/8168 is a low voltage, high current tetrode specifically designed for Class AB1 RF linear amplifier or audio amplifier applications where its high gain and low distortion characteristics may be used to advantage. 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 1,000 Watts 12 Watts 0 Watts 110 MHz N/A Oxide Coated 6.0 Volts 9.0 Amps Grounded Cathode 81.0 pf 11.8 pf .01 pf Grounded Grid 35.5 pf 12.0 pf .00 pf Forced Air Special, Breechblock SK-800B SK-806 N/A 4.80 in; 122.00 mm 3.37 in; 85.50 mm 27 oz; 0.77 kg Maximum RatingsTypical Operation Class of Type of ServicePlate PlatePlateScreenPlate Operation VoltageCurrent Voltage VoltageCurrent (Volts) (Amps) (Volts) (Volts) (Amps) AB1 RF Linear Amplifier at 30 MHz AB1 AF Amplifier or Modulator* 3,000 3,000 1.0 1.0 3,000 3,000 325 325 0.9 1.8 Drive Output PowerPower (Watts) (kiloWatts) --- --- 1.63 3.23 * Two Tubes 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 MPP products, visit our website at: www.cpii.com, or contact: CPI Microwave Products Division, Eimac Operation,607 Hansen Way, Palo Alto, CA 94303 telephone : 1(800) 414-8823. fax : (650) 592-9988 | email : [email protected] CPI | 4CX1000A / 8168 4CW50,000J 4CX1000A / 8168