Delta-sigma modulator using LC resonators

Details Delta-sigma modulator using LC resonators Delta-sigma modulator using LC resonators

2006-06-06

2006-06-06

JeanPierre, Peguy (Department: 2819)

Coded data generation or conversion

Analog to or from digital conversion

Differential encoder and/or decoder

C341S144000, C341S155000

Reexamination Certificate

active

07057541

ABSTRACT:
A bandpass continuous-time delta-sigma modulator. The filters of the modulator are LC resonators directly connected in series. Direct connection of the resonators eliminates the need for active components in the modulator, increases linearity and decreases noise.

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Cherry, J.A., et al., “On the Design of a Fourth-Order Continuous-Time LC Delta-Sigma Modulator for UHF A/D Conversion,”IEEE Transactions on Circuits and Systems-II: Analog and Digital Signal Processing, vol. 47, No. 6, pp. 518-530 (Jun. 2000).
Raghavan, G., et al., “Architecture, Design, and Test of Continuous-Time Tunable Intermediate-Frequency Bandpass Delta-Sigma Modulators,”IEEE Journal of Solid-State Circuits, vol. 36, No. 1, pp. 5-13 (Jan. 2001).

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