Oversampling modulation in a D/A converter using a combination o

Details Oversampling modulation in a D/A converter using a combination o Oversampling modulation in a D/A converter using a combination o

1995-09-22

1997-08-26

Gaffin, Jeffrey A.

Coded data generation or conversion

Digital code to digital code converters

To or from differential codes

341143, 341144, H03M 300

Patent

active

056614799

ABSTRACT:
A high-order oversampling modulation apparatus is disclosed herein. The present invention implements a high-order oversampling modulation apparatus by use of a plurality of shift registers in response to clock signals provided with a frequency higher than the sampling rate in order to simplify the circuit and layout.

REFERENCES:
patent: 4020332 (1977-04-01), Crochiere et al.
patent: 4186384 (1980-01-01), Acker
patent: 4528551 (1985-07-01), Agrawal et al.
patent: 5196850 (1993-03-01), Duffy et al.
patent: 5357248 (1994-10-01), Sasaki

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