Time-interleaved band-pass delta-sigma modulator

Details Time-interleaved band-pass delta-sigma modulator Time-interleaved band-pass delta-sigma modulator

2006-12-05

2006-12-05

Barnie, Rexford (Department: 2819)

Coded data generation or conversion

Analog to or from digital conversion

Multiplex

C341S143000

Reexamination Certificate

active

07145491

ABSTRACT:
A time-interleaved bandpass delta-sigma modulator is developed which includes a first adder and a second adder and a comparator. An input signal is transmitted to the first adder according to the clock frequency of each channel block, and an n channel block output unof the first adder is transmitted to the first adder and the second adder of an n+2 channel block, and an n block output vnof the second adder is transmitted to the second adder of an n+2 block, and an output ynthat passes through an n block comparator is transmitted to the first adder and the second adder of an n+2 block. Therefore, a modulator sequentially receives output from the comparator of each block for generating the final output y.

REFERENCES:
patent: 5208594 (1993-05-01), Yamazaki
patent: 5345233 (1994-09-01), Nagata et al.
patent: 6215429 (2001-04-01), Fischer et al.
patent: 6825784 (2004-11-01), Zhang

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