Referenced Items are not available for this document.
A multibit 2-0 cascaded quadrature ΣΔ modulator is presented which attains 81 dB dynamic range in a 200kHz bandwidth at an IF of 10MHz. A simple dynamic element matching (DEM) scheme minimizes the mirror in-band aliases caused by mismatch between the I and Q channel. The integral nonlinearity (INL) errors from the multibit feedback DAC are noise-shaped by a quadrature variant of the data weighted averaging algorithm (DWA). Clocked at 13.1 MHz, the ADC consumes 10mW from a 2.1 V supply.
Published in:
Solid-State Circuits Conference, 2005. ESSCIRC 2005. Proceedings of the 31st European
Date of Conference: 12-16 Sept. 2005
- Page(s):
- 451 - 454
- Print ISBN:
- 0-7803-9205-1
- INSPEC Accession Number:
- 8802536
- Digital Object Identifier :
- 10.1109/ESSCIR.2005.1541657
- Product Type:
- Conference Publications
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