Eimac is a trade mark of Eimac Products, part of the Microwave Power Products Division of Communications & Power Industries. It produces power vacuum tubes for radio frequency applications such as broadcast and radar transmitters. The company name is an initialism from the names of the founders, William Eitel and Jack McCullough.
Eimac is a trade mark of Eimac Products, part of the Microwave Power Products Division of Communications & Power Industries. It produces power vacuum tubes...
founders) to concentrate on medical systems. Its major subsidiaries include Eimac (which manufactures new vacuum tubes for broadcasting, radar, medical systems...
water-vapor cooling are used. The highest-power tube currently available is the Eimac 4CM2500KG, a forced water-cooled power tetrode capable of dissipating 2...
Glow of a directly heated cathode in an Eimac 4-1000A 1 kW power tetrode tube in a radio transmitter. Directly heated cathodes operate at higher temperatures...
Experimental type X2159 was assigned to the development of a power tetrode by Eimac (then a division of Varian Associates) on May 28, 1970, and the design engineer...
adopted in larger tubes with an anode power rating of 100W or more. The Eimac 4CX250B (rated at 250W anode dissipation) is an example of this class of...
peak tube was operated with a grounded cathode. Later, chief competitor Eimac released tetrodes which rather quickly eclipsed Machlett's triodes, as tetrodes...
power tetrode" (PDF). Tube Data (tubedata.tubes.se). EIMAC technical data. San Carlos, California: EIMAC division of Varian. 1966-05-15 [1962]. Retrieved...
have been described as a cross between a klystron and a triode, hence Eimac's trade name for them, Klystrode. They have an electron gun like a klystron...
rated variant of the earlier 829B. 4D21—VHF beam tetrode better known by Eimac commercial number 4-125A. 5C22—Hydrogen thyratron for radar modulators....
long periods of time. One trade name for this type of plate coating is Eimac's "pyrovac". In consumer equipment, it is usually a sign of a shorted or...
and Spread Spectrum Multiple Access (SSMA) modulation techniques. The Eimac Division of Varian Associates supplied one of the two traveling wave amplifiers...
Specials 1990 Engineering Emmy Award: Comark Communications, Inc. and Varian/Eimac for the Klystrode UHF High Power Amplifier Tube and Transmitter Engineering...
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