應用於UWB系統與WiMax無線網路之低雜訊放大器

Abstract

本論文以TSMC 0.18μm 1P6M CMOS，來研製應用於超寬頻網路的低雜訊放大器，及WiMAX 無線網路的多頻段低雜訊放大器。第一部份為寬頻低雜訊放大器，適用於超寬頻系統，模擬結果如下所述：頻率範圍為3.1 ~ 10.1 GHz，輸入與輸出返回損耗皆大於10dB，增益約為12□1 dB，最低雜訊指數為3.3 dB，在5.5 GHz及10.5 GHz的P1dB增益壓縮點分別為-15.7 dBm和-9 dBm，IIP3截斷點分別為-6.6 dBm和-1.7 dBm；第二部份為多頻帶低雜訊放大器(多頻帶輸入匹配)，適用於WiMax 無線網路，工作頻率為2.4/3.5/5.2 GHz，量測結果如下所述：輸出返回損耗皆大於10 dB，輸入返回損耗分別為8.7/10.7/9.3 dB，增益在分別為6.9/15.3/6.3 dB，雜訊指數分別為4.2/4.4/6.3 dB；第三部份為多頻帶低雜訊放大器(多頻帶輸出匹配)，適用於WiMAX 無線網路，其模擬結果如下所述，工作頻率為2.4/3.5/5.2 GHz：輸入返回損耗大於10 dB，輸出返回損耗分別為10.1/19.5/13.7 dB，增益在分別為13.6/13.1/9.4 dB，雜訊指數分別為3.0/2.8/3.3 dB，在2.4/3.5/5.2 GHz的P1dB增益壓縮點分別為-13.6/-11.8/-8.7 dBm，IIP3分別為-1.2/2.6/4.3 dBm。

This thesis presents the development of CMOS RFIC’s for Ultra Wideband system and WiMax System with TSMC 0.18um 1P6M CMOS processes. The first part studies on the UWB LNA for ultra wideband system, where the range of band is 3.1 ~ 10.1 GHz. The simulated performances are as follows: input and output return loss are greater than 10 dB, gain is about 12□1 dB, minimum noise figure is 3.3 dB,input power at 1dB gain compression points are -15.7 dBm @ 5.5 GHz and – 9 dBm @ 10.5 GHz, input third intercept points are -6.6 dBm @ 5.5 GHz and – 1.7 dBm @ 10.5 GHz. The second part studies on multi-band LNA design with multi input matching network for WiMax wireless system. The frequencies are 2.4/3.5/5.2 GHz, and the measurement performances as follows: output return loss are greater than 10 dB, gains are 10.1/15/10.1 dB, noise figures are 3.1/3.8 /4.3 dB. The third part studies on multi-band LNA design with multi input matching network for WiMax wireless system. The frequencies are 2.4/3.5/5.2 GHz, and the simulated performances as follows: input return loss are greater than 10 dB, output return losses are 10.1/11.8/8.7 dB，gains are 13.6/13.1/9.4 dB, noise figures are 3.0/2.8/3.3 dB, 1dB gain compression points are -13.6/-11.8/-8.7, input third intercept points are -1.2/2.6/4.3 dBm.