A 23 G Hz RF-beamforming Transmitter with > 15.5 dBm Psatand >21.7% Peak Efficiency for Inter-satellite Communications

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Samenvatting

This paper presents a 23GHz RF-beamforming transmitter (TX) for inter-satellite communications. By combining a variable gain amplifier (VGA), a phase shifter (PS), and a four-inductor-coupling differential quadrature-signal (IQ) generator, a power-efficient design with high compactness is demonstrated. The chip is fabricated in a 130nm SiGe BiCMOS technology. It achieves a measured saturated output power (Psat) of >15.5dBm and a peak TX efficiency of >21.7%, with 2.09° RMS phase error and >29.3dB maximum power gain. The realized mm-wave TX supports 64-QAM with a 900Mbps data rate, the Error Vector Magnitude (EVM) of 4.98% (-26.06dB), the Adjacent Channel Power Ratio (ACPR) of-30.1dBc, and TX efficiency of 8.52% are measured at 9.2dBm output power. The core area of this TX is 0.9mm x 0.23mm.

Originele taal-2Engels
Titel2022 IEEE Radio Frequency Integrated Circuits Symposium, RFIC 2022
UitgeverijInstitute of Electrical and Electronics Engineers
Pagina's103-106
Aantal pagina's4
ISBN van elektronische versie9781665496117
DOI's
StatusGepubliceerd - 26 aug. 2022
Evenement2022 IEEE Radio Frequency Integrated Circuits Symposium, RFIC 2022 - Denver, Verenigde Staten van Amerika
Duur: 19 jun. 202221 jun. 2022

Congres

Congres2022 IEEE Radio Frequency Integrated Circuits Symposium, RFIC 2022
Land/RegioVerenigde Staten van Amerika
StadDenver
Periode19/06/2221/06/22

Bibliografische nota

Funding Information:
ACKNOWLEDGMENT This work is funded by the Center of Astronomical (CAI) of TU/e. The authors would like to thank Rob Streeder and Gustaaf Sutorius from Keysight Technologies for their assistance and support for the EVM/ACPR measurements.

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