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http://dx.doi.org/10.6109/jkiice.2012.16.8.1753

Design of GHz Analog FIR Filter based on a Distributed Amplifier  

Yeo, Hyeop-Goo (한신대학교 정보통신학부)
Abstract
This paper introduces analog FIR filters based on a distributed amplifier and analyzes the proposed filter's characteristics. A simple design method of an analog FIR filter based on the digital filter design technique is also introduced. The proposed analog FIR filters are a moving average(MA) and a comb type filters with no multiplier. This simple structures of the proposed filters may enable to operate at multi-GHz frequency range and applicable to combine a filter and an amplifier of RF system. The proposed analog FIR filters were implemented with standard $0.18{\mu}m$ CMOS technology. The designed GHz analog FIR filters are simulated by Cadence Spectre and compared to the results of digital FIR filters obtained from MATLAB simulations. From the simulation results, the characteristics of the proposed analog FIR filters are fairly well matched with those of digital FIR filters.
Keywords
Distributed amplifier; analog FIR filter; digital FIR filter; moving average (MA) filter; comb filter;
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