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A 10MHz signal bandwidth Cartesian-loop transmitter capable of off-chip PA linearization | IEEE Conference Publication | IEEE Xplore

A 10MHz signal bandwidth Cartesian-loop transmitter capable of off-chip PA linearization


Abstract:

This paper presents a wide signal bandwidth Cartesian loop transmitter (CLT) for off-chip PA linearization. The CLT can linearize a 10 MHz bandwidth signal by using a fee...Show More

Abstract:

This paper presents a wide signal bandwidth Cartesian loop transmitter (CLT) for off-chip PA linearization. The CLT can linearize a 10 MHz bandwidth signal by using a feedforward technique to avoid instability caused by a time delay of an RF path. ACLR is improved from 30.2 dB to 38.4 dB and EVM is improved from 5.9% to 1.6% when a 10 MHz 64-QAM 802.16e signal is applied.
Date of Conference: 07-11 February 2010
Date Added to IEEE Xplore: 18 March 2010
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Conference Location: San Francisco, CA, USA

References

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