Circuit techniques for CMOS multiple-antenna transceivers

Circuit techniques for CMOS multiple-antenna transceivers

Circuit techniques are described for multiple-antenna transceivers. A device desensitization technique aimed at simultaneously realizing the optimum noise and input match in LNA circuits is followed by a transformer-coupling technique in common-gate LNA circuits that reduces NF and power. Next, a Co...

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Hauptverfasser: Allstot, D.J., Aniruddhan, S., Banerjee, G., Min Chu, Xiaoyong Li, Paramesh, J., Shekhar, S., Soumyanath, K.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Circuit noise
CMOS technology
Coupling circuits
Impedance matching
Impedance measurement
Noise figure
Noise measurement
Noise reduction
Transceivers
Voltage-controlled oscillators
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Beschreibung
Zusammenfassung:Circuit techniques are described for multiple-antenna transceivers. A device desensitization technique aimed at simultaneously realizing the optimum noise and input match in LNA circuits is followed by a transformer-coupling technique in common-gate LNA circuits that reduces NF and power. Next, a Colpitts VCO improves start-up and maintains excellent phase-noise performance. Finally, a Cartesian combining method applied to MIMO transceivers is overviewed.
ISSN:1529-2517
2375-0995
DOI:10.1109/RFIC.2005.1489639