Coded data generation or conversion – Analog to or from digital conversion – Nonlinear
Patent
1997-12-05
1999-10-05
Young, Brian
Coded data generation or conversion
Analog to or from digital conversion
Nonlinear
H03M 118
Patent
active
059631597
ABSTRACT:
A gain control arrangement for use in analog-to-digital conversion includes a current generator that generates gain currents as a function of externally applied resistances. The gain currents are sequentially provided to the analog-to-digital converter, enabling the converter to use a single set of externally applied resistances to set differentiated gain factors in each of its channels.
REFERENCES:
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"Am79Q4457/5457 Quad Subscriber Line Audio Processing Circuit-Non-Programmable (QSLAC-NP.TM.) Devices", Copyright 1997Advanced Micro Devices, Publication #20031, Feb. 1997; pp. 1-33.
"Product Brief--Am79Q5457/Am79Q4457 Nonprogrammable Quad Subscriber Line Audio-Processing Circuits", Copyright 1997 Advanced Micro Devices, update of Sep. 9, 1997; pp. 1-3.
"Hybrid Circuits", http://bugs.wpi.edu:8080/EE535hwk97/hwk3cd97/husain/husain.html, update of Oct. 14, 1997; 11 pages.
Abughazaleh Firas N.
Miller Merle L.
Nair Vijayakumaran V.
Stibila Michael Edward
Advanced Micro Devices
Young Brian
LandOfFree
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