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This paper presents an inductorless SiGe HBT low noise amplifier (LNA) using JAZZ O.35μm SiGe BiCMOS technology. The LNA is designed with multiple resistive feedback structure. In addition, peaking capacitors at both emitters were adopted to compensate for the gain rolloff at higher frequency. The results of simulation show that the LNA has over 22.3dB gain with less than idB variation, noise figure varies between 2.4 to 3.3dB, and input and output reflections (S11 and S22) are both less than -12dB over the entire band. The entire results exhibit the LNA has good performance. The key advantage of this work is the elimination of inductors thus the chip area can be greatly saved, which is clearly an attractive benefit. ©2009 IEEE.
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年份: 2009
页码: 258-261
语种: 英文
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