Download PDF by Luis B. Oliveira, Jorge R. Fernandes, Igor M. Filanovsky,: Analysis and Design of Quadrature Oscillators (Analog

By Luis B. Oliveira, Jorge R. Fernandes, Igor M. Filanovsky, Chris J. M. Verhoeven, Manuel M. Silva

ISBN-10: 140208515X

ISBN-13: 9781402085154

ISBN-10: 1402085168

ISBN-13: 9781402085161

The subsequent are a few positive factors of study and layout of Quadrature Oscillators make it various from the present literature on digital oscillators: (1) concentrate on quadrature oscillators with actual quadrature and coffee phase-noise, required by means of smooth communique platforms; (2) a close comparative examine of quadrature LC and RC oscillators, together with cross-coupled LC quasi-sinusoidal oscillators, cross-coupled RC rest oscillators, a quadrature RC oscillator-mixer, and two-integrator oscillators; (3) a radical research of the influence of mismatches at the phase-error and the phase-noise; (4) the belief that quadrature RC oscillators could be a functional replacement to LC oscillators whilst quarter and price could be minimized (in cross-coupled RC oscillators either the quadrature-error and phase-noise are decreased, while in LC oscillators the coupling raises the phase-noise.

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Additional info for Analysis and Design of Quadrature Oscillators (Analog Circuits and Signal Processing)

Sample text

Quadrature Relaxation Oscillator . . . . . . . . . . . . . . . . . . . . . . . 1 High Level Model . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Quadrature Relaxation Oscillator without Mismatches . . . . . . . . . . 3 Quadrature Relaxation Oscillator with Mismatches . . . . . . . . . . . . 4 Simulation Results . . . . . . . . . . . . . . . . . . . . . . . . . Phase-Noise . . . . .

10. In this analysis we show why the introduction of coupling will not change the amplitudes of νC1 and νC2 and the oscillation frequency, with respect to the isolated oscillators. In order to determine the amplitudes νC1 and νC2 , we must determine their maximum and minimum values. Due to the oscillator symmetry we will only do the calculations for νC1 (for the amplitude of νC2 the results are the same). 44 3 Quadrature Relaxation Oscillator VCC R R R v1 iSL1 iSL 2 Q1 R v3 v2 v4 iSL 4 iSL 3 Q3 Q2 Q4 C2 C1 vC1 vC 2 I1C I1D QSL I 2C I2D QSL QSL 2 I SL1 QSL 2 I SL 2 Fig.

Relaxation Oscillator . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 High Level Model . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Circuit Implementation . . . . . . . . . . . . . . . . . . . . . . . Quadrature Relaxation Oscillator . . . . . . . . . . . . . . . . . . . . . . . 1 High Level Model . . . . . . . . . . . .

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Analysis and Design of Quadrature Oscillators (Analog Circuits and Signal Processing) by Luis B. Oliveira, Jorge R. Fernandes, Igor M. Filanovsky, Chris J. M. Verhoeven, Manuel M. Silva


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