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About L-3 EDD CTL

L-3 Communications, Electron Devices, California Tube Labs (CTL) designs, manufactures and rebuilds high-power vacuum tubes for a wide variety of applications in the frequency range of 300 MHz to 18,000 MHz, with power levels up to 3 million Watts.  L-3 EDD CTL's facility is located in Watsonville, CA.

L-3 EDD CTL's product lines include:
  • Industrial CW magnetrons, at 896, 915, 928 and 2450 MHz with power levels from 10 kW through 125 kW
  • Pulsed magnetrons at frequencies from 2 to 18 GHz, with peak power levels to 3,000 kW
  • Rebuilt Klystron amplifiers for CW link and accelerator applications
L-3 EDD CTL is a leading supplier of vacuum tubes to OEMs and end-users of:
  • Medical therapeutic and surgical X-ray equipment
  • Industrial microwave / RF heating and curing equipment
  • Commercial and military radar systems
  • Research equipment, such as plasma generators and electron sources
L-3 EDD CTL's worldwide customer base includes; U.S. Fortune 500 companies, U.S. Department of Defense, and worldwide users of commercial, medical and industrial microwave equipment.

L-3 EDD CTL's Watsonville California facility provides an excellent environment for high-quality, volume production of vacuum tubes.
  • Customized for vacuum tube manufacture
  • Capacity Expansion available
  • CAD and advanced design code capabilities
L-3 EDD CTL has produced and shipped over 50,000 tubes to more than 400 customers, providing a broad product line and experience base to support its customer's needs.
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