Coded data generation or conversion – Analog to or from digital conversion – Nonlinear
Reexamination Certificate
2008-03-25
2008-03-25
Nguyen, Linh (Department: 2819)
Coded data generation or conversion
Analog to or from digital conversion
Nonlinear
C341S120000, C341S121000
Reexamination Certificate
active
11483420
ABSTRACT:
An analog-to-digital converter according to the invention is provided. The analog-to-digital converter preferably includes an analog input signal, a first reference signal, a second reference signal, and a range compression signal. The range compression signal is preferably characterized by a magnitude greater than the first reference signal and smaller than the second reference signal. In addition, when the analog input signal is sampled N times and the range compression signal is sampled N1 times, a compression factor that is based at least in part on N1/(N+N1) is obtained.
REFERENCES:
patent: 5490130 (1996-02-01), Akagiri
patent: 5539202 (1996-07-01), Geagan et al.
patent: 5706352 (1998-01-01), Engebretson et al.
patent: 5832444 (1998-11-01), Schmidt
patent: 6097824 (2000-08-01), Lindemann et al.
patent: 6140950 (2000-10-01), Oprescu
patent: 6169506 (2001-01-01), Oprescu
patent: 6493657 (2002-12-01), Godfrey et al.
patent: 2003/0151532 (2003-08-01), Chen et al.
patent: 2006/0089813 (2006-04-01), Mushirahad et al.
patent: 2006/0222118 (2006-10-01), Murthy et al.
Benjamin, O.J. and Candy, J.C., “The Structure of Quantization Noise from Sigma-Delta Modulation,” IEEE Trans. Commun., Sep. 1981, pp. 1316-1323, vol. COM-29.
Ritoniemi, T.; Karema, T.; and Tenhunen, H.; “Design of Stable High Order 1-bit Sigma-Delta Modulators”, IEEE Proc. ISCAS'90, May 1990, pp. 3267-3270.
“24-Bit μPower No Latency ΔΣ™ ADC in SO-8,” LTC2400 Data Sheet,Linear Technology Corporation,1998.
“24-Bit No Latency ΔΣ™ ADC with Differential Input and Differential Reference,” LTC2410 Data Sheet,Linear Technology Corporation,2000.
Linear Technology Corp.
McDermott Will & Emery LLP
Nguyen Linh
LandOfFree
Range compression in oversampling analog-to-digital converters does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Range compression in oversampling analog-to-digital converters, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Range compression in oversampling analog-to-digital converters will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3936475