標題: Design of differential low-noise amplifier with cross-coupled-SCR ESD protection scheme
作者: Lin, Chun-Yu
Ker, Ming-Dou
Hsiao, Yuan-Wen
電機學院
College of Electrical and Computer Engineering
公開日期: 1-Jun-2010
摘要: The pin-to-pin electrostatic discharge (ESD) stress was one of the most critical ESD events for differential input pads. The pin-to-pin ESD issue for a differential low-noise amplifier (LNA) was studied in this work A new ESD protection scheme for differential input pads, which was realized with cross-coupled silicon-controlled rectifier (SCR), was proposed to protect the differential LNA. The cross-coupled-SCR ESD protection scheme was modified from the conventional double-diode ESD protection scheme without adding any extra device. The SCR path was established directly from one differential input pad to the other differential input pad in this cross-coupled-SCR ESD protection scheme, so the pin-to-pin ESD robustness can be improved The test circuits had been fabricated in a 130-nm CMOS process. Under pin-to-pin ESD stresses, the human-body-model (HBM) and machine-model (MM) ESD levels of the differential LNA with the cross-coupled-SCR ESD protection scheme are >8 kV and 800 V. respectively. Experimental results had shown that the new proposed ESD protection scheme for the differential LNA can achieve excellent ESD robustness and good RF performances. (C) 2010 Elsevier Ltd All rights reserved.
URI: http://dx.doi.org/10.1016/j.microrel.2010.02.020
http://hdl.handle.net/11536/5309
ISSN: 0026-2714
DOI: 10.1016/j.microrel.2010.02.020
期刊: MICROELECTRONICS RELIABILITY
Volume: 50
Issue: 6
起始頁: 831
結束頁: 838
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