Synthesis of first-order active-R allpass networks and their application in sinusoidal oscillator design

Vosper, J.V.

doi:10.1049/el:19910034

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Multi-phase Oscillators1

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Cited by 15 publications

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“…An n-phase oscillator can be realized by cascading n all-pass filter stages in a loop closed by an inverting unity gain amplifier [8,9]. Two-phase and three-phase oscillators are constructed in Fig.…”

Section: Multi-phase Oscillatorsmentioning

confidence: 99%

Novel Approximate Square-Root Domain All-Pass Filter with Application to Multiphase Oscillators

Özoğuz

Abdel-Rahman²,

Elwakil

2006

Analog Integr Circ Sig Process

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A novel approximate square-root domain all-pass filter operating from a single 3.3 V supply is reported. The circuit requires a small number of transistors, with a bandwidth exceeding 100 MHz. Two-phase and threephase oscillators based on cascaded sections of the proposed filter are constructed followed by a generic multiphase oscillator. Simulation results, using AMS 0.35 μ BiCMOS technology parameters, and experimental results are given.

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Section: Multi-phase Oscillatorsmentioning

confidence: 99%