4CV250 BR-620 - Datasheet Archive

 

Page 1 of 1 4CV250,000B The Eimac 4CV250,000B is recommended for use as a Class C RF amplifier or oscillator, a Class AB linear

 

Eimac Power Grid Tube - Quick Reference Data Sheet Page 1 of 1 4CV250 4CV250,000B The Eimac 4CV250 4CV250,000B is recommended for use as a Class C RF amplifier or oscillator, a Class AB linear amplifier, or a Class AB push-pull AF amplifier or modulator. The 4CV250 4CV250,000B is also useful as a plate and screen modulated Class C RF amplifier. Characteristics Plate Dissipation (Max.) 250,000 Watts Screen Dissipation (Max.) 3,500 Watts Grid Dissipation (Max.) 1,500 Watts Frequency for Max. rating (CW) 30 MHz Amplification Factor 4.5 Filament/Cathode Thoriated Tungsten Voltage 12.0 Volts Current 660 Amps Capacitance Grounded Cathode 745 pf Input Output 124 pf Feedthrough 6.0 pf Capacitance Grounded Grid Input 324 pf Output 128 pf Feedthrough 1.2 pf Cooling Vapor and Water Base Special Air Socket Air Chimney Boiler BR-620 BR-620 Length 28.02 in; 17.17 cm Diameter 15.06 in; 38.26 cm Weight 180 lb; 82 kg Maximum Ratings Class of Operation Type of Service Typical Operation Plate Plate Plate Screen Plate Drive Output Voltage current Voltage Voltage Current Power Power (Volts) (Amps) (Volts) (Volts) (Amps) (Watts) (kiloWatts) C RF Amplifier 20,000 40.0 19,000 800 32.5 3,000 460.0 C RF Amplifier Plate Modulated 17,500 30.0 15,000 800 22.8 1,630 280.0 AB1 RF Linear Amplifier 20,000 40.0 20,000 1,800 23.0 - 330.0 AB1 AF Amplifier or Modulator (2 tubes) 20,000 40.0 20,000 1,800 46.0 - 660.0 Characteristics and Operating values are based on performance tests. Figures may change without notice as the result of additional data or product refinement. CPI Eimac Division should be consulted before using this information for final equipment design. Last page update 3/21/97 4:36:55 PM Eimac Web Pages © copyright 1996 CPI, Eimac Division file://C:\Documents and Settings\carolyn\Desktop\Objects\4cv250000b.htm 12/29/2008