One-bit analog-to-digital converters and digital-to-analog conve

Details One-bit analog-to-digital converters and digital-to-analog conve One-bit analog-to-digital converters and digital-to-analog conve

1993-02-16

1995-09-19

Williams, Howard L.

Coded data generation or conversion

Analog to or from digital conversion

Differential encoder and/or decoder

341139, 327551, 333 14, H03M 302

Patent

active

054519497

ABSTRACT:
One-bit analog-to-digital converters (ADCs) and digital-analog-converters (DACs) employ an adaptive filter. The filter has two regimes of operation: variable gain within the passband of the filter under low-level signal conditions and fixed gain but a variable filter cutoff frequency (sliding band) under high-level signal conditions. Thus, excessive low-frequency gain under no-signal conditions is avoided and, when implemented using a voltage controlled amplifier (VCA), the arrangement does not demand less offset from the VCA under low-level signal conditions.

REFERENCES:
patent: 3474349 (1969-10-01), Ellermeyer
patent: 3805091 (1974-04-01), Colin
patent: 4176329 (1979-11-01), Moskowitz
patent: 4374335 (1983-02-01), Fukahori et al.
patent: 4378569 (1983-03-01), Dallas, Jr. et al.
patent: 4700361 (1987-10-01), Todd et al.
patent: 4700362 (1987-10-01), Todd et al.
patent: 4736433 (1988-04-01), Dolby
patent: 4829270 (1989-05-01), Anderson et al.
patent: 4829299 (1989-05-01), Mandell
IEEE Transactions on Consumer Electronics, Nov. 1989, vol. 35, No. 4, New York, pp. 767-773: T. Ishikawa et al: "One-bit A/D D/A Converters IC for Audio Delay".
U. Tietze & Ch. Schenk, "Halbleiter-Shaltungstechnik," 1983, Springer Verlag, Berlin, pp. 398-401.
"Advanced Digital Audio," Ken C. Pohlmann, ed., SAMS, Carmel, Indiana, 1991 pp. 254-257.

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