Bandpass delta sigma truncator and method of truncating a...

Details Bandpass delta sigma truncator and method of truncating a... Bandpass delta sigma truncator and method of truncating a...

2006-12-05

2006-12-05

Bayard, Emmanuel (Department: 2611)

Pulse or digital communications

Spread spectrum

Direct sequence

C375S250000, C341S143000

Reexamination Certificate

active

07145936

ABSTRACT:
A bandpass delta sigma truncator receives a series of first multi-bit digital signals each having a number of data bits, a first number of sign bits and sign extending means for sign extending each of the first multi-bit digital signals to a second multi-bit digital signal having the same number of data bits as the number of data bits in the first multi-bit digital signals, and a second number of sign bits. The truncator outputs from a series of third multi-bit digital signals a series of fourth multi-bit digital signals each having a selected number of the most significant data bits of the third multi-bit digital signals, and a series of fifth multi-bit digital signals each having the remaining number of the least significant data bits of the third multi-bit digital signals.

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