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A differential quantizer-based error feedback modulator intended for digitizing analog signals and its comparison to the traditional interpolative sigma delta analog-to-digital conversion is presented in this brief. The differential quantizer-based error feedback modulator also falls under the class of noise-shaping data converters. This newly introduced technique replaces the integrator with a differential...
A novel low-power reconfigurable time-interleaved (TI) symmetric cross-coupled sigma-delta (ΣΔ) modulator intended for GSM/ Bluetooth/ GPS/ WCDMA/ WLAN /WiMAX multi-standard application has been proposed in this paper. The modulator is based on TI cross-coupled first order ΣΔ paths with enhanced noise shaping characteristics. A new dual-extended...
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