Ultra linear/feedforward amplifier design

The proliferation of cellular and personal communication networks burdens an already overcrowded frequency spectrum. These systems require modern RF power amplifiers to maintain high levels of spectral efficiency for minimized adjacent channel interference. Amplifiers must maintain ultra linear tran...

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description The proliferation of cellular and personal communication networks burdens an already overcrowded frequency spectrum. These systems require modern RF power amplifiers to maintain high levels of spectral efficiency for minimized adjacent channel interference. Amplifiers must maintain ultra linear transfer functions to achieve spectrally efficient operation. Several amplifier architectures (including feedforward) capable of ultra linear operation are illustrated, compared and analyzed.
doi_str_mv 10.1109/MWSYM.1998.705191
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identifier ISSN: 0149-645X
ispartof 1998 IEEE MTT-S International Microwave Symposium Digest (Cat. No.98CH36192), 1998, Vol.2, p.1125-1127 vol.2
issn 0149-645X
2576-7216
language eng
recordid cdi_ieee_primary_705191
source IEEE Electronic Library (IEL) Conference Proceedings
subjects Broadband amplifiers
Delay lines
Feedforward systems
Linearity
Nonlinear distortion
Operational amplifiers
Power amplifiers
Radio frequency
Radiofrequency amplifiers
Transfer functions
title Ultra linear/feedforward amplifier design
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