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Log-Domain Integrator and Its Applications

LING Xie ting,QIN Wei,HU Bo(ASIC & System State Key Lab.,Fudan University,Shanghai 200433,China)  
The characteristics of a type of log domain integrator and the impairment caused by junction capacitors are analyzed.A general filter designing method based on the integrator is proposed.Applications of the integrator in wide band current controlled oscillator (ICO) and phase locked loop are shown and simulation results are given.
【CateGory Index】: TN402
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