Title :
Comments on "Improvement of broadband feedforward amplifier using photonic bandgap"
Author :
Ellis, Thomas J.
Author_Institution :
Michigan Univ., Ann Arbor, MI, USA
Abstract :
A number of technical facts were either claimed or implied in the letter by J. Yoon and C. Seo (see ibid., vol.11, no.11, p.450-2, Nov. 2001). Without clarification or supporting data, the claims presented could mislead the reader into drawing inaccurate conclusions regarding the performance increase of feed forward amplifiers due to the so-called photonic bandgap structure.
Keywords :
feedforward; intermodulation distortion; microwave photonics; microwave power amplifiers; wideband amplifiers; IMD; PBG; broadband feedforward amplifier; intermodulation distortion; photonic bandgap; power amplifier; Broadband amplifiers; FETs; Filters; Gain; Impedance; Intermodulation distortion; Manufacturing; Photonic band gap; Power amplifiers; Power generation;
Journal_Title :
Microwave and Wireless Components Letters, IEEE
DOI :
10.1109/LMWC.2002.803131
