A fully integrated dual broadband direct-conversion tuner chip for digital satellite TV applications

被引：0
|
作者：
Gao, WN [1 ]
Hess, K [1 ]
Rosik, R [1 ]
Santini, M [1 ]
Lindstrom, M [1 ]
McFee, J [1 ]
Czajka, J [1 ]
机构：
[1] Conexant Syst Inc, San Diego, CA 92121 USA
来源：
CICC: PROCEEDINGS OF THE IEEE 2005 CUSTOM INTEGRATED CIRCUITS CONFERENCE | 2005年
关键词：
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：
A fully integrated dual tuner implemented in a 0.35 mu m SiGe BiCMOS technology for dual stream digital satellite DVB-S2 applications is presented. The chip achieves more than 65 dB isolation between tuners and each tuner consists of a direct-conversion receiver including a Delta Sigma fractional-N synthesizer with integrated VCOs. The key features across PVT are -81 dBrn sensitivity, < 10 dB NF, > 12 dBm off-channel IIP3, and an integrated phase noise less than -46 dBc from 1 kHz to 1 MHz. The dual tuner dissipates 1.1 W from a 3.3 V supply, and occupies a silicon area of 3.9x3.92 mm(2).
引用
收藏
页码：353 / 356
页数：4
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