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The CMOS 4-channel Transmit Beamformer for Upper-mid Band Applications
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- Authors
- Hui Dong Lee, Sunwoo Kong, Bonghyuk Park, Seunghun Wang, Seunghyun Jang
- Issue Date
- 2024-11
- Citation
- Asia-Pacific Microwave Conference (APMC) 2024, pp.1-3
- Publisher
- IEEE
- Language
- English
- Type
- Conference Paper
- Abstract
- This paper describes a CMOS transmit beamformer operating in the mm-Wave frequency range for upper-mid band and satellite communication using 65nm bulk CMOS technology. The beamformer, equipped with a 6-bit phase shifter, 6-bit digital step attenuator, 1-to-4 power divider, and common source amplifiers, achieved a small signal gain of 28 dB and an output 1-dB compression power around 5 dBm at 14 GHz under a 1.0-V supply voltage. The RMS phase error and gain error within the 13.7 to 14.7 GHz band are within 5 degrees and 0.82 dB, respectively
- KSP Keywords
- Bulk CMOS, CMOS Technology, Frequency range, GHz band, Phase Shifter, Small signal gain, Supply voltage, Transmit beamformer, Wave frequency, common-source, digital step attenuator