Circuit configuration for conversion of a one-bit digital signal

Details Circuit configuration for conversion of a one-bit digital signal Circuit configuration for conversion of a one-bit digital signal

1996-03-04

1998-03-10

Chin, Stephen

Pulse or digital communications

Pulse code modulation

Differential

341144, 341146, H04B 1406

Patent

active

057270244

ABSTRACT:
A circuit configuration for converting a one-bit digital signal at a given sampling frequency into an analog signal, includes a multiplication device having one input receiving the digital signal, another input receiving a reference signal and an output. A delay device receives the digital signal, delays the digital signal by one period of a sampling frequency and has an output. A further multiplication device has one input connected to the output of the delay device, another input receiving the reference signal and an output. An adding device has inputs each being connected to the output of a respective one of the multiplication devices and an output at which the analog signal is available.

REFERENCES:
patent: 5302950 (1994-04-01), Johnson et al.
patent: 5323158 (1994-06-01), Ferguson, Jr.
"A Multistage Delta-Sigma Modulator without Double . . . ", Toshio Hayashi et al., IEEE International Solid-State Circuits Conference, 1986, pp. 182-183.

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