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|Title:||A concurrent dual-band doherty power amplifier|
|Keywords:||Doherty power amplifier|
|Source:||Li, X.,Chen, W.,Zhang, Z.,Feng, Z.,Tang, X.,Mouthaan, K. (2010). A concurrent dual-band doherty power amplifier. Asia-Pacific Microwave Conference Proceedings, APMC : 654-657. ScholarBank@NUS Repository.|
|Abstract:||This paper proposes a novel Doherty power amplifier (PA) that realizes concurrent dual-band operation. A T-network is used to implement a dual-band impedance transformer and a phase shifter simultaneously. To prove the concept a PA is designed operating at 900 MHz and 2000 MHz simultaneously. In the experimental results, the concurrent dual-band PA achieves a drain efficiency of 39.8% with an output power of 36.9 dBm at the 5 dB back-off point from saturated output power at 900 MHz, and a drain efficiency of 41.4% with an output power of 36.2 dBm at the 5 dB back-off point at 2000 MHz. Compared to the balanced PA, the drain efficiency of the proposed PA has been approximately doubled in the entire back-off power region. © 2010 IEICE Institute of Electronics Informati.|
|Source Title:||Asia-Pacific Microwave Conference Proceedings, APMC|
|Appears in Collections:||Staff Publications|
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