and feedback capacitances and low internal lead inductances. A rugged thoriated tungsten mesh filament provides adequate emission over long operating life. It is recommended for use as a Class C RF amplifier or oscillator, a Class AB RF linear amplifier, or a Class AB push-pull AF ampli- fier or modulator. The 4CV50,000E is also useful as a plate and screen modulated Class C RF amplifier. Amplification Factor Thoriated Tungsten Grounded Cathode 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]