Patent classifications
H
ELECTRICITY
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H03
ELECTRONIC CIRCUITRY
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H03M
CODING; DECODING; CODE CONVERSION IN GENERAL
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7/00
Conversion of a code where information is represented by a given sequence or number of digits to a code where the same; , similar or subset of; information is represented by a different sequence or number of digits
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H03M7/30
Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
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H03M7/3002
Conversion to or from differential modulation
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H03M7/3004
Digital delta-sigma modulation
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H03M7/3015
Structural details of digital delta-sigma modulators
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H03M7/3031
characterised by the order of the loop filter, e.g. having a first order loop filter in the feedforward path
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H03M7/3033
the modulator having a higher order loop filter in the feedforward path, e.g. with distributed feedforward inputs
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H03M7/3037
with weighted feedforward summation, i.e. with feedforward paths from more than one filter stage to the quantiser input
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H03M7/3037

ΔΣ D/A converter, signal processing circuit including the same, and electronic apparatus
09621184 · 2017-04-11 · ·

A D/A converter for converting a digital input data to an analog output signal, includes: a modulator configured to generate a first data by -modulating the digital input data; a digital filter configured to generate a second data by smoothing the first data; and a D/A converter configured to convert the second data to the analog output signal.