帮忙下4篇文章，谢谢！

gdhp_seu

1.
A 16-b 320-kHz CMOS A/D converter using two-stage third-order ΣΔ noise shaping Yin, G.  Stubbe, F.  Sansen, W.  
Dept. Elektrotechniek, Katholieke Univ. Leuven, Heverlee  
This paper appears in: Solid-State Circuits, IEEE Journal of
Issue Date: Jun 1993
Volume: 28 Issue: 6
On page(s): 640 - 647
ISSN: 0018-9200
INSPEC Accession Number: 4472407
Digital Object Identifier: 10.1109/4.217978
Date of Current Version: 06 八月 2002

2.
A third-order sigma-delta modulator with extended dynamic range Williams, L.A., III  Wooley, B.A.  
Center for Integrated Syst., Stanford Univ., CA   
This paper appears in: Solid-State Circuits, IEEE Journal of
Issue Date: Mar 1994
Volume: 29 Issue: 3
On page(s): 193 - 202
ISSN: 0018-9200
INSPEC Accession Number: 4684147
Digital Object Identifier: 10.1109/4.278340
Date of Current Version: 06 八月 2002

3.
A 102-dB spurious-free DR ΣΔ ADC using a dynamic dither scheme Gomez, G.J.  
Texas Instrum. Inc., Dallas, TX  
This paper appears in: Circuits and Systems II: Analog and Digital Signal Processing, IEEE Transactions on
Issue Date: Jun 2000
Volume: 47 Issue: 6
On page(s): 531 - 535
ISSN: 1057-7130
INSPEC Accession Number: 6642017
Digital Object Identifier: 10.1109/82.847068
Date of Current Version: 06 八月 2002

4. “0.65V sigma-delta modulator, 2003IEEE