Title
Direct noise analysis of log-domain filters
Abstract
A direct method for analyzing noise in log-domain filters is proposed which exploits simplifying assumptions such as neglecting higher order noise terms, linearity in the current domain, the translinear principle, and time-averaging. Approaching from a conventional perspective, modulated-noise expressions are derived that account for every significant noise source in the filter. In addition, these noise sources are treated in situ and individually, without any need for moving or combining them. The accuracy of the derived results are compared and confirmed by Spectre radio frequency (RF) periodic noise simulations. Various examples given include a class-A biquad, class-A fifth-order ladder filter, and a class-AB third-order ladder filter
Year
DOI
Venue
2002
10.1109/TCSII.2002.1002512
IEEE Transactions on Circuits and Systems Ii: Analog and Digital Signal Processing
Keywords
Field
DocType
log-domain filters,spectrerf periodic noise simulations,class-A fifth-order ladder filter,ladder networks,direct noise analysis,linearity,circuit noise,Spectre RF periodic noise simulations,noise sources,class-A biquad,class-AB third-order ladder filter,higher order noise terms,active filters,translinear principle,modulated-noise expressions,current domain,time-averaging,noise source,circuit simulation,nonlinear filters
Noise floor,Noise measurement,Noise (signal processing),Control theory,Computer science,Electronic engineering,Noise temperature,Noise spectral density,Effective input noise temperature,Noise generator,Gaussian noise
Conference
Volume
Issue
ISSN
49
2
1057-7130
Citations 
PageRank 
References 
0
0.34
2
Authors
2
Name
Order
Citations
PageRank
A. E. J. Ng100.34
J. I. Sewell222.21