Design of a 70-MHz IF 10-MHz bandwidth bandpass ΣΔ modulator for WCDMA applications

In this paper we present a MASH bandpass ΣΔ modulator for WCDMA applications. The signal bandwidth of the proposed modulator is 10 MHz, centered around an intermediate frequency (IF) of 70 MHz. Each ΣΔ modulator of the MASH structure is based on a two-path architecture, which allow us to obtain the...

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Hauptverfasser:	Caracciolo, H, Bonizzoni, E, Malcovati, P, Maloberti, F
Format:	Tagungsbericht
Sprache:	eng
Schlagworte:	Bandwidth CMOS technology Energy consumption Filtering theory Frequency Multi-stage noise shaping Multiaccess communication Noise shaping Sampling methods Voltage
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