2013
DOI: 10.1109/mmm.2012.2226998
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A Linear and Efficient Doherty PA at 3.5 GHz

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Cited by 21 publications
(6 citation statements)
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“…The IMD measurements were performed with an Agilent PNA-X network analyzer and a linear driver PA, as described in [1]. A power meter is used to calibrate the PNA-X receivers for absolute power measurements.…”
Section: Measurement Setup Results and Conclusionmentioning
confidence: 99%
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“…The IMD measurements were performed with an Agilent PNA-X network analyzer and a linear driver PA, as described in [1]. A power meter is used to calibrate the PNA-X receivers for absolute power measurements.…”
Section: Measurement Setup Results and Conclusionmentioning
confidence: 99%
“…Using single-tone HB simulation in conjunction with the previously described algorithms, we followed the same design flow as described in [1]. Matching, harmonic terminations, load modulation, and bias were optimized using idealized, equation-based components, which were then successively replaced by more realistic microstrip circuit models.…”
Section: Simulation and Designmentioning
confidence: 99%
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“…However, in a Doherty PA such cancellation effects become more prominent due to the interaction of carrier and peaking amplifiers which have different bias points, thus different transfer characteristics [7]. A specific bias point can greatly improve the 3 rd -order IMD but there are issues.…”
Section: Measured Resultsmentioning
confidence: 99%
“…To efficiently amplify these signals at back-off power (BOP) range, the Doherty power amplifier (DPA) has garnered great research attention because of its significant efficiency enhancement and ease of configuration [1][2][3][4][5][6]. Conventional symmetric DPAs, employing the same transistors to design the carrier and peaking amplifiers, always achieve high-efficiency operation over 6 dB or less BOP range [7][8][9][10][11][12], which can hardly satisfy the efficiency requirement when wideband or multiband modulated signals with the PAPRs of higher than 6 dB are employed.…”
Section: Introductionmentioning
confidence: 99%