A configurable multi-band multi-mode transmitter with spur cancellation through digital baseband

A configurable multi-band multi-mode transmitter with spur cancellation through digital baseband

A 65nm CMOS configurable transmitter with spur cancellation scheme is presented. Over 10dB spur cancellation is achieved by applying a digital sideband signal at Tx DAC input. The transmitter covers bands from 410 to 2700MHz and supports 2G, 3G and 4G. ACLR is -43dBc at 8dBm and receiver band noise...

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Hauptverfasser: Tang, Y., Chen, M., Leung, W., Narathong, C., Ranjan, M., Godbole, K., Zhang, G., Choksi, O., Panikkath, V., Holenstein, C., Hadjichristos, A., Sahota, K.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Baseband
Linearity
Multiaccess communication
Noise
Power amplifiers
Power generation
Transmitters
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Beschreibung
Zusammenfassung:A 65nm CMOS configurable transmitter with spur cancellation scheme is presented. Over 10dB spur cancellation is achieved by applying a digital sideband signal at Tx DAC input. The transmitter covers bands from 410 to 2700MHz and supports 2G, 3G and 4G. ACLR is -43dBc at 8dBm and receiver band noise is -160.7dBc/Hz at 4dBm. It consumes 32mW at -8dBm for WCDMA IMT band in SAW-less mode.
ISSN:2158-5601
2158-5636