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Constant Efficiency Amplifiers

Constant Efficiency Amplifiers (CEAs)

L3Harris’ CEA 130 uses the same proven gun structure as the IOTD-130 which can provide average lifetimes in excess of 100,000 hours. A five-stage depressed collector replaces the standard single-stage collector of an Inductive Output Tube (IOT) to achieve high efficiencies in digital service.

Constant Efficiency Amplifiers (CEAs)

$20,000 savings per tube

Efficiencies greater than 55% have been demonstrated at various power levels with both 8 VSB and COFDM modulation schemes. This increase in efficiency means an immediate reduction in operating power consumed compared to traditional IOTs and a $20,000 savings per tube in average electricity costs per year.


  • Torrance, CA: ISO 9001:2015 and AS9100:2016
  • Williamsport, PA: ISO 9001:2015

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Supplier Quality Documentation

  • Approved Special Metal Finishing Processes
  • Electronic Component Procurement Requirement Codes
  • Q Clause Codes
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