Coded data generation or conversion – Converter compensation
Patent
1997-10-23
1999-11-09
Tokar, Michael
Coded data generation or conversion
Converter compensation
H03M 106
Patent
active
059823119
ABSTRACT:
A conversion device includes an A/D converter (8) and a control module for auto-adjustment of the DC component. This module includes an analog comparator (5) which performs a comparison between the analog signal (11) at the input of the A/D converter (8) and a reference voltage (10) produced on the basis of voltages which feed the resistance ladder (9) of the converter. In order that the control does not introduce noise into the signal supplied, the comparator (5) of the control module has a non-linear response with a reduced output/input gain for a range of the differential control signal centered around zero.
REFERENCES:
patent: 4380005 (1983-04-01), Debord et al.
patent: 5057920 (1991-10-01), Wilkinson
patent: 5319450 (1994-06-01), Tamayama et al.
patent: 5371552 (1994-12-01), Brummette et al.
Biren Steven R.
Tokar Michael
Tran Auh
U.S. Philips Corporation
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