Bandpass sigma-delta modulator employing high-Q resonator for na

Details Bandpass sigma-delta modulator employing high-Q resonator for na Bandpass sigma-delta modulator employing high-Q resonator for na

1998-09-15

2000-12-05

JeanPierre, Peguy

Coded data generation or conversion

Analog to or from digital conversion

With particular solid state devices

341143, H03M 100

Patent

active

061573299

ABSTRACT:
The invention provides a superconducting bandpass sigma-delta modulator for use in analog-to-digital converters for converting an analog input signal to a digital output signal. The modulator includes an input unit, a sampling pulse generator unit, a quantizer unit, and a high Q resonator unit. The input unit is for receiving the analog input signal. The sampling pulse generator unit is for generating sampling pulses. The quantizer unit is coupled to the sampling pulse generator unit and to the input unit. The quantizer unit is for quantizing the input signal and producing an output signal representative of the analog input signal. The high Q resonator unit presents the quantizer unit with a low impedance at a center frequency of the input signal.

REFERENCES:
patent: 5140324 (1992-08-01), Przybysz et al.
patent: 5166647 (1992-11-01), Riebman
patent: 5341136 (1994-08-01), Przybysz et al.

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