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A novel interconnect optimal buffer insertion model considering the self-heating effect
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作者 张岩 董刚 +4 位作者 杨银堂 王宁 尧舜 刘晓贤 王凤娟 《Journal of Semiconductors》 EI CAS CSCD 2013年第11期118-123,共6页
Considering the self-heating effect, an accurate expression for the global interconnection resistance per unit length in terms of interconnection wire width and spacing is presented. Based on the proposed resistance m... Considering the self-heating effect, an accurate expression for the global interconnection resistance per unit length in terms of interconnection wire width and spacing is presented. Based on the proposed resistance model and according to the trade-off theory, a novel optimization analytical model of delay, power dissipation and bandwidth is derived. The proposed optimal model is verified and compared based on 90 nm, 65 nm and 40 nm CMOS technologies. It can be found that more optimum results can be easily obtained by the proposed model. This optimization model is more accurate and realistic than the conventional optimization models, and can be integrated into the global interconnection design ofnano-scale integrated circuits. 展开更多
关键词 self-heating effect interconnection wire resistance per unit length optimal model very large scale integration
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A new type of Wilkinson dual-frequency power divider with symmetrical transmission line stubs
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作者 尧舜 DONG Gang YANG Yin-tang 《Journal of Chongqing University》 CAS 2014年第1期17-25,共9页
To realize equal power splitting at two arbitrary gigahertz-frequencies, this paper presents a new type of Wilkinson dual frequency power divider, consisting of three-section transmission lines and a series RLC(resist... To realize equal power splitting at two arbitrary gigahertz-frequencies, this paper presents a new type of Wilkinson dual frequency power divider, consisting of three-section transmission lines and a series RLC(resistor, inductor and capacitor)circuit. By equating the [ABCD] matrix of the proposed circuit to that of the quarter-wave impedance transformer, coupled with even/odd mode analyses, the design equations of the proposed network are derived. For verification, two dual-frequency power dividers with dual-band operating frequencies at 0.6 GHz and 3.0 GHz, and 3.8 GHz and 10 GHz respectively are designed and simulated. Simulation results show that the dual-band ratio of the proposed power divider can be as large as 5. Comparisons of the simulation results at X-band and S-band with different power dividers indicate that the proposed dual-band power divider performs better under the scenario of the upper operating frequency extending to X-band. 展开更多
关键词 DUAL-FREQUENCY symmetrical transmission line stubs power divider ARBITRARY
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