A LP/HP UMTS/GSM ΔΣ ADC suited for a Zero-IF/Low-IF receiver

被引：0
|
作者：
Jabbour, Chadi [1 ]
Khushk, Hasham [1 ]
Fakhoury, Hussein [1 ]
Van Tam Nguyen [1 ]
Loumeau, Patrick [1 ]
机构：
[1] TELECOM ParisTech, Inst TELECOM, LTCI, CNRS,UMR 5141, Paris, France
来源：
2011 IEEE INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS (ISCAS) | 2011年
关键词：
Analog to Digital Converter; Delta Sigma; Low-IF/Zero-IF receiver; Reconfiguration; MODULATOR;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This paper presents the design of a reconfigurable Delta Sigma Analog to Digital Converter (ADC). Its main degree of liberty is the choice of the noise shaping among low pass and high pass. This reconfiguration parameter allows it to be adapted for both the Low-IF and the Zero-If receiver architectures. The ADC is GSM/UMTS compliant. It was designed in a 1.2 V 65 nm CMOS process. Electrical simulation results showed a SNDR of 84 dB for the GSM mode with a Low-IF frequency of 19.2 MHz and a SNDR of 77.4 dB for the UMTS at DC.
引用
收藏
页码：1125 / 1128
页数：4
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