用于W-CDMA移动终端的2ghz频段均匀谐波型直接转换接收机

2000 IEEE MTT-S International Microwave Symposium Digest (Cat. No.00CH37017) Pub Date : 2000-06-11 DOI:10.1109/MWSYM.2000.862367

K. Itoh, T. Katsura, H. Nagano, T. Yamaguchi, Y. Hamade, M. Shimozawa, N. Suematsu, R. Hayashi, W. Palmer, M. Goldfarb

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引用次数: 20

摘要

提出了一种用于W-CDMA移动终端的2ghz频段均匀谐波型直接转换接收机(EH-DCR)。由于所提出的EH-DCR中使用了匹配良好的反并联二极管对，接收器可以减少降低灵敏度特性的均匀阶混合产物。此外，所提出的EH-DCR可以通过无源混频器方法实现低电流消耗。在本文中，演示了具有RF块，模拟基带IC (ABB-IC)和解调器的整体接收器，以表明所提出的RF架构的有效性。评价结果表明，瞬时动态范围大，灵敏度高。

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2 GHz band even harmonic type direct conversion receiver with ABB-IC for W-CDMA mobile terminal

A 2 GHz band even harmonic type direct conversion receiver (EH-DCR) is proposed for the W-CDMA mobile terminal. Because of the well-matched anti-parallel diode pair used in the proposed EH-DCR, the receiver can reduce even order mixing products that degrade sensitivity characteristics. Also the proposed EH-DCR can achieve low current consumption with a passive mixer approach. In this paper, the overall receiver with an RF block, an analog baseband IC (ABB-IC) and a demodulator is demonstrated to indicate the effectiveness on the proposed RF architecture. The described evaluation results indicate high instantaneous dynamic range with high sensitivity.

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来源期刊

2000 IEEE MTT-S International Microwave Symposium Digest (Cat. No.00CH37017)

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