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Adaptive Dummy-gate (field-plate) Bias Technique for RF LDMOSFETs
SUMMARY Lehigh University has developed an adaptive field- plate (dummy-gate) bias technique for improved performance in RF-LDMOSFETs to be used in cellular base-station. Initial tests of this technique show a 70% improvement in the maximum output power and 10% improvements in the efficiency of the device. The field-gate is present in most commerci...
Published: 2/20/2009   |   Inventor(s): James Hwang, Marvin Marbell
Keywords(s): Adaptive Bias, Dummy-Gate, RF power amplifiers
Category(s): Wireless