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Dergiler / Istanbul University Journal of Electrical and Electronics Engineering / 2005 / Cilt: 5 - Sayı: 2

On the design of new CMOS DO-OTA topologies providing high output impedance and extended linearity range

Hakan KUNTMAN
Burçin Serter ERGÜN
Sayfa
1449–1461
Yayın Tarihi
2022-10-18
DOI
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The results prove that the new circuits exhibit a better performance for the input linearity and for the output impedance.

📌 3 Maddede Bu Makale

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Amaç & Hipotez:In this paper, new realization techniques to enhance the performance of the CMOS differential output transconductance amplifiers (DO-OTAs) are proposed by combining the high-performance input and output stages given in the literature.
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Temel Bulgular & Veri:The advantage provided by the circuits proposed is demonstrated by SPICE simulations on current mode filters.
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Sonuç & Katkı:The results prove that the new circuits exhibit a better performance for the input linearity and for the output impedance.
🔬Tür:Araştırma Makalesi
📍Kapsam:Genişletilmiş Akademik Örneklem
⚙️Değişkenler:Alan Parametreleri

Abstract

In this paper, new realization techniques to enhance the performance of the CMOS differential output transconductance amplifiers (DO-OTAs) are proposed by combining the high-performance input and output stages given in the literature. The circuits proposed exhibit higher linearity and input signal range compared to the conventional counterparts. The advantage provided by the circuits proposed is demonstrated by SPICE simulations on current mode filters. The results prove that the new circuits exhibit a better performance for the input linearity and for the output impedance.

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Bu Makaleye Atıf Yap

KUNTMAN, H., ERGÜN, B. S. (2022). On the design of new CMOS DO-OTA topologies providing high output impedance and extended linearity range. Istanbul University Journal of Electrical and Electronics Engineering, Cilt: 5 - Sayı: 2, 1449–1461. https://ajindex.com/articles/543838

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Kaynakça (6)

  1. ZEKI. A. and KUNTMAN H.:’High-output-impedance CMOS dual-output OTA suitable for wide-range continuous-time filtering applications’ ELECTRONICS LETTERS, 1999, 16, pp 1295-1296
  2. ERGÜN B. S. and KUNTMAN H.:’Yüksek Lineerlikte DO-OTA Gerçekleştirilmesi’ Proceedings of ELECO 2000: The 1st National Symposium of Electrical, Electronics and Computer Engineering, pp 77-81, Chamber of Turkish Electrical Eng., Bursa section, 2000, Bursa Turkey [3] NEDUNGADI. A. and VISWANATHAN T. R. ‘Design of Linear CMOS Transconductance Elements’ IEEE Trans. Circuits Syst., 1984, vol CAS31, pp 891-894 [4] ZEKİ A.: ‘Novel High Performance OTA Structures Suitable for Continuous Time OTA-C Filters’, PhD Thesis, October 1997, I.T.U, Institute of Science and Technology
  3. ANGULO R. J. and SINENCO S. E.:’Active Compensation of Operational Transconductance Amplifier Using Partial Positive Feedback’ IEEE JSSC, 1990, vol 25, pp 1024-1028 [6] ANGULO R. J., SINENCO S. E. and HOWE M.:’Large f0 Q Second Order Filters Using Multiple Output OTAS’ IEEE CASII, 1994, vol 41, pp 587-592 [7] KUNTMAN H.:”Analog MOS Tümdevre Tekniği”, İTÜ Ofset Baskı Atölyesi, 1997 [8] ERGÜN B. S.:”Yüksek Lineerlikte CMOS DO-OTA Gerçekleştirilmesi”, MSc Thesis, July 2001, I.T.U, Institute of Science and Technology
  4. ERGÜN B. S., KUNTMAN H., ÖZCAN S., Realization of a high performance CMOS DO-OTA with extended linearity range, SCS 2001, July 2001,Iasi, Romania [10] KRUMMENACHER F. and JOEHL N, A 4 MHz CMOS continuous-time filter onchip automatic tuning, IEEE J. Solid-State Circuits, Vol. 23, pp. 750-757,. 1988
  5. E. SEEVINCK A and WASSENAAR R.W., A versatile CMOS linear transconductor/square-law function circuit’, IEEE J. Solid-State Circuits, Vol. SC-22, pp. 366-377
  6. WILSON G. and CHAN P.K., Comparison of four transconductors for fully integrated filter applications, IEE Proceedings, Pt-G, Vol. 138, No.6, pp.638-688, 1991.