Common-mode stability in low-power LO drivers

被引：1
作者：
Gueorguiev, S [1 ]
Lindfors, S [1 ]
Larsen, T [1 ]
机构：
[1] Univ Aalborg, Radio Frequency Integrated Syst, DK-9220 Aalborg, Denmark
来源：
2005 IEEE INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS (ISCAS), VOLS 1-6, CONFERENCE PROCEEDINGS | 2005年
关键词：
D O I：
10.1109/ISCAS.2005.1465883
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 resonator loaded LO buffer is shown to be potentially common mode unstable, when it is connected to drive a double balanced current steering mixer. The stability margin is found to be inversely proportional to the quality factor of the resonator load and, therefore, to the power consumed by the LO buffer. A known solution to the problem is compared with two proposed ones. The approaches differ in terms of current consumption, occupied voltage headroom and area.
引用
收藏
页码：5505 / 5508
页数：4
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