Cascode feedback amplifier combined with resonant matching for UWB system

Pei Zong Rao, Yuh-Chuan Cheng, Ching-Piau Liang, Shyh-Jong Chung

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review


This paper shows the design of a broadband single-end low noise amplifier for UWB system with TSMC 0.18 mu m. CMOS processes. The proposed amplifier achieves broadband input matching by cascode feedback topology with parallel resonate cavity and the bandwidth is from 3.1 GHz to 10.1 GHz. The simulation results are as follows: 12 I dB of gain, the input/output return loss are greater than 10 dB, minimum noise figure is about 3.3 dB, and 1 dB gain compression point is about -15 dBm. The total current consumption included bias network is 9.1 mA under a 1.8 V single supply voltage. Chip area is 0.8 nun x 0.8 mm.
Original languageEnglish
Title of host publicationProgress in Electromagnetics Research Symposium (PIERS 2007)
Number of pages3
StatePublished - 2007

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