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Carrier leakage suppression in direct-conversion WCDMA transmitters

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3 Author(s)
Brenna, G. ; Integrated Syst. Lab., Swiss Fed. Inst. of Technol., Zurich, Switzerland ; Tschopp, D. ; Qiuting Huang

Carrier leakage suppression techniques are employed to enable direct up-conversion transmitters to meet WCDMA specifications. Implemented in 0.13/spl mu/m CMOS, the complete TX IC delivers +2.5dBm output power and consumes 45mA at 1.5V. The IC achieves +19dBm OIP3, 4.3% EVM, -38dBc ACLR and an output noise in the DCS band of -146dBm/Hz.

Published in:

Solid-State Circuits Conference, 2003. Digest of Technical Papers. ISSCC. 2003 IEEE International

Date of Conference:

13-13 Feb. 2003