- Article

Lota, J., Al-Janabi, M. and Kale, I. 2012. Accurate stability prediction of one-bit higher-order delta-sigma (Δ-Σ) modulators for multiple-sinusoidal inputs. *IET Circuits, Devices & Systems.* 6 (2), pp. 71-78.

Title | Accurate stability prediction of one-bit higher-order delta-sigma (Δ-Σ) modulators for multiple-sinusoidal inputs |
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Authors | Lota, J., Al-Janabi, M. and Kale, I. |

Abstract | The present approaches on predicting stability of delta-sigma (Δ-Σ) modulators are mostly confined to DC inputs. This poses limitations as practical applications of Δ-Σ modulators involve a wide range of signals other than DC such as multiple-sinusoidal inputs for speech modelling. In this study, a quasi-linear model for Δ-Σ modulators with non-linear feedback control analysis is presented that accurately predicts stability of single-loop one-bit higher-order Δ-Σ modulators for multiple sinusoids. Theoretical values are shown to match closely with the simulation results. The results of this study would significantly speed up the design and evaluation of higher-order single-loop Δ-Σ modulators with increased dynamic ranges for various applications that require multiple-sinusoidal inputs or any general input composed of a finite number of sinusoidal components. |

Journal | IET Circuits, Devices & Systems |

Journal citation | 6 (2), pp. 71-78 |

ISSN | 1751-858X |

Year | Mar 2012 |

Publisher | Institution of Engineering and Technology (IET) |

Digital Object Identifier (DOI) | doi:10.1049/iet-cds.2011.0194 |

Publication dates | |

Published | Mar 2012 |

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Haga, Y. and Kale, I. 2009. Class-AB rail-to-rail CMOS buffer with bulk-driven super source followers. in: Proceedings of the European Conference on Circuit Theory and Design, 23-27 August 2009, Antalya, Turkey (ECCTD 2009) IEEE . pp. 379-382

CMOS buffer using complementary pair of bulk-driven super source followers

Haga, Y. and Kale, I. 2009. CMOS buffer using complementary pair of bulk-driven super source followers. *Electronics Letters.* 45 (18), pp. 917-918.

Bulk-driven flipped voltage follower

Haga, Y. and Kale, I. 2009. Bulk-driven flipped voltage follower. in: Proceedings of the IEEE International Symposium on Circuits and Systems, 2009 (ISCAS 2009) IEEE . pp. 2717-2720

Extending the applications and improving the efficiency of positioning through the exploitation of new GNSS signals

Cross, P., Ziebart, M., Lau, L., Ochieng, W., Feng, S., Moore, T., Hill, C., Yang, L., Hancock, C., Kale, I. and Kazazoglu, R. 2009. Extending the applications and improving the efficiency of positioning through the exploitation of new GNSS signals. *Proceedings of the European Navigation Conference (ENC-GNSS’09).* Naples, Italy 03 - 06 May 2009

A blind implementation of multi-dimensional matched filtering in a Maximum-Likelihood receiver for SIMO channels

Coskun, A. and Kale, I. 2009. A blind implementation of multi-dimensional matched filtering in a Maximum-Likelihood receiver for SIMO channels. in: Proceedings of the IEEE Intrumentation and Measurement Technology Conference (I2MTC '09) IEEE . pp. 633-637

Multi-dimensional matched filter identification technique for channel equalization deployed in spatial diversity receivers

Coskun, A. and Kale, I. 2009. Multi-dimensional matched filter identification technique for channel equalization deployed in spatial diversity receivers. in: PRIME: 2009 PhD Research in Microelectronics and Electronics. Proceedings. Cork, Ireland, 12-17 July 2009 IEEE . pp. 36-39

Design of a power-aware digital image rejection receiver

Cetin, E., Kale, I. and Morling, R.C.S. 2009. Design of a power-aware digital image rejection receiver. in: Proceedings of the IEEE International Symposium on Circuits and Systems, 2009 (ISCAS 2009) IEEE . pp. 209-212

A GUI driven Σ-Δ modulator design, evaluation and measurement tool with a view to practical implementation

Altinok, G., Al-Janabi, M., Kale, I. and Altinok, G. 2009. A GUI driven Σ-Δ modulator design, evaluation and measurement tool with a view to practical implementation. in: IEEE Intrumentation and Measurement Technology Conference, Singapore, May 2009. I2MTC '09 IEEE . pp. 1022-1025

RF front-end design for full constellation SDR based GNSS receivers

Adane, Y. and Kale, I. 2009. RF front-end design for full constellation SDR based GNSS receivers. in: International GNSS conference, IGNSS 2009 Conference & Exhibition, Book of abstracts for Oral and Poster Presentations, Dec 1 - 3 2009, Holiday Inn Hotel, Gold Coast, Queensland, Australia International Global Navigation Satellite Systems. pp. 38

GNSScope: a toolbox for end-to-end modeling, simulation and analysis of GNSS

Kazazoglu, R., Cetin, E. and Kale, I. 2008. GNSScope: a toolbox for end-to-end modeling, simulation and analysis of GNSS. *The Navigation Exhibition.* The Royal Institute of Navigation, London Jun 2008

Nonlinear-stability analysis of higher order ∆ –Σ modulators for DC and sinusoidal inputs

Lota, J., Al-Janabi, M. and Kale, I. 2008. Nonlinear-stability analysis of higher order ∆ –Σ modulators for DC and sinusoidal inputs. *IEEE Transactions on Instrumentation and Measurement.* 57 (3), pp. 530-542.

A system for calculating the greatest common denominator implemented using asynchrobatic logic

Willingham, D.J. and Kale, I. 2008. A system for calculating the greatest common denominator implemented using asynchrobatic logic. in: Ellervee, P., Jervan, G. and Nielsen, I.R. (ed.) 26th Norchip Conference, Tallinn, Estonia, 17 - 18 November 2008. Formal proceedings IEEE . pp. 194-197

An asynchrobatic, radix-four, carry look-ahead adder

Willingham, D.J. and Kale, I. 2008. An asynchrobatic, radix-four, carry look-ahead adder. in: PRIME: 2008 PhD Research in Microelectronics and Electronics. Proceedings. Istanbul, Turkey, June 22–25, 2008 IEEE . pp. 105-108

Using positive feedback adiabatic logic to implement reversible Toffoli gates

Willingham, D.J. and Kale, I. 2008. Using positive feedback adiabatic logic to implement reversible Toffoli gates. in: Ellervee, P., Jervan, G. and Nielsen, I.R. (ed.) 26th Norchip Conference, Tallinn, Estonia, 17 - 18 November 2008. Formal proceedings IEEE . pp. 5-8

Weak signal and multipath analysis using GNSScope: a toolbox for end-to-end modelling, simulation and analysis of GNSS systems

Ucar, A., Kazazoglu, R., Cetin, E. and Kale, I. 2008. Weak signal and multipath analysis using GNSScope: a toolbox for end-to-end modelling, simulation and analysis of GNSS systems. *NAV08/ILA37 The Navigation Conference & Exhibition: Navigation and Location.* Church House, Westminster, London 28 - 30 Oct 2008

GNSScope: overview of a toolbox for end-to-end modelling, simulation and analysis of GNSS systems

Ucar, A., Kazazoglu, R., Cetin, E. and Kale, I. 2008. GNSScope: overview of a toolbox for end-to-end modelling, simulation and analysis of GNSS systems. *New Navigator Seminar 2008.* Imperial College, London 18 Jun 2008

A reconfigurable SDR receiver for multi-mode GNSS applications

Ucar, A., Cetin, E. and Kale, I. 2008. A reconfigurable SDR receiver for multi-mode GNSS applications. *Proceedings of the SDR Forum Technical Conference.* Washington, D.C. 26 - 30 Oct 2008

A low complexity DSP driven analog impairment mitigation scheme for low-IF GNSS receivers

Ucar, A., Cetin, E. and Kale, I. 2008. A low complexity DSP driven analog impairment mitigation scheme for low-IF GNSS receivers. in: Proceedings of the IEEE/ION Position, Location and Navigation Symposium 2008: May 6 - 8, 2008, Hyatt Regency Hotel, Monterey, California Los Alamitos, USA IEEE . pp. 865-870

On the implications of analog to digital conversion on variable-rate bandpass sampling GNSS receivers

Ucar, A., Cetin, E. and Kale, I. 2008. On the implications of analog to digital conversion on variable-rate bandpass sampling GNSS receivers. *Proceedings of the Forty-second Asilomar Conference on Signals Systems and Computers.* Asilomar Hotel and Conference Grounds, Pacific Grove, CA 26 - 29 Oct 2008

System and circuit level design and analysis of a 16-bit sigma-delta ADC for a TETRA-2 network mobile station application

Lota, J., Al-Janabi, M. and Kale, I. 2008. System and circuit level design and analysis of a 16-bit sigma-delta ADC for a TETRA-2 network mobile station application. in: 2008 IEEE Instrumentation and Measurement Technology Conference Proceedings. IMTC 2008 IEEE . pp. 663-667

Rail-to-rail CMOS op-amp input stage using level-shift multiplexing technique

Haga, Y. and Kale, I. 2008. Rail-to-rail CMOS op-amp input stage using level-shift multiplexing technique. *Proceedings of the Institute of Electrical Engineers Japan, IEEJ International Analog VLSI Workshop.* Hyatt Regency Hotel, Istanbul, Turkey 30 Jul - 01 Aug 2009

Achieving rail-to-rail input operation using level-shift multiplexing technique for all CMOS op-amps

Haga, Y. and Kale, I. 2008. Achieving rail-to-rail input operation using level-shift multiplexing technique for all CMOS op-amps. in: Proceedings of the 51st Midwest Symposium on Circuits and Systems, 2008 (MWSCAS 2008) IEEE . pp. 698-701

Design and low-power implementation of an adaptive image rejection receiver

Cetin, E., Topcu, S., Kale, I. and Morling, R.C.S. 2008. Design and low-power implementation of an adaptive image rejection receiver. in: Proceedings of the IEEE International Symposium on Circuits and Systems, (ISCAS 2008): May 18-21, 2008, Seattle, Washington, USA Los Alamitos, USA IEEE . pp. 3146-3149

A fully CNN based fingerprint recognition system

Abrishambaf, R., Demirel, H. and Kale, I. 2008. A fully CNN based fingerprint recognition system. in: IEEE 11th Cellular Neural Networks and Their Applications (CNNA 2008) IEEE . pp. 146-149

Establishing the finite word-length parameters for a CNN based fingerprint recognition system

Abrishambaf, R., Demirel, H. and Kale, I. 2008. Establishing the finite word-length parameters for a CNN based fingerprint recognition system. *Proceedings of the 5th International Symposium on Electrical and Computer Systems (EECS'08).* Gemikonagi, Cyprus 27 - 28 Nov 2008

A comparative study on the modified Max-Log-MAP turbodecoding by extrinsic information scaling

Taskaldiran, M., Morling, R.C.S. and Kale, I. 2007. A comparative study on the modified Max-Log-MAP turbodecoding by extrinsic information scaling. *IEEE 5th Annual Wireless Telecommunication Symposium (WTS 2007).*

Tonality index of sigma-delta modulators: a psychoacoustics model based approach

Lota, J., Al-Janabi, M. and Kale, I. 2007. Tonality index of sigma-delta modulators: a psychoacoustics model based approach. in: Proceedings of the IEEE International Symposium on Circuits and Systems 2007, (ISCAS 2007) Los Alamitos, USA IEEE . pp. 729-732

Stability analysis of higher-order delta-sigma modulators for sinusoidal inputs

Lota, J., Al-Janabi, M. and Kale, I. 2007. Stability analysis of higher-order delta-sigma modulators for sinusoidal inputs. in: Proceedings of the IEEE Instrumentation and Measurement Technology Conference, Warsaw, Poland, May 1-3, 2007 Los Alamitos, USA IEEE .

Living and dealing with RF impairments in communication transceivers

Cetin, E., Kale, I. and Morling, R.C.S. 2007. Living and dealing with RF impairments in communication transceivers. in: Proceedings of the IEEE International Symposium on Circuits and Systems 2007, (ISCAS 2007) Los Alamitos, USA IEEE . pp. 21-24

Analysis and compensation of RF impairments for next generation multimode GNSS receivers

Cetin, E., Kale, I. and Morling, R.C.S. 2007. Analysis and compensation of RF impairments for next generation multimode GNSS receivers. in: Proceedings of the IEEE International Symposium on Circuits and Systems 2007, (ISCAS 2007) Los Alamitos, USA IEEE . pp. 1729-1732

Satellite radio navigation receivers

Cetin, E., Kale, I., Morling, R.C.S. and Dempster, A.G. 2006. *Satellite radio navigation receivers.*

Partial equalization of non-minimum-phase impulse responses

Maamar, A., Kale, I., Krukowski, A.M. and Daoud, B. 2006. Partial equalization of non-minimum-phase impulse responses. *EURASIP Journal on Applied Signal Processing.* 2006 (Article ID 67467), p. 8 pages.

A new structure for capacitor-mismatch-insensitive multiply-by-two amplification

Zare-Hoseini, H., Shoaei, O. and Kale, I. 2006. A new structure for capacitor-mismatch-insensitive multiply-by-two amplification. in: 2006 IEEE International Symposium on Circuits and Systems. ISCAS 2006. Proceedings. Los Alamitos, USA IEEE . pp. 4879-4882

Continuous time delta sigma modulators with reduced clock jitter sensitivity

Zare-Hoseini, H. and Kale, I. 2006. Continuous time delta sigma modulators with reduced clock jitter sensitivity. in: 2006 IEEE International Symposium on Circuits and Systems. ISCAS 2006. Proceedings. Los Alamitos, USA IEEE . pp. 5371-5374

A multimode fully software configurable GNSS receiver: a focus on Galileo

Telli, A.T., Cetin, E. and Kale, I. 2006. A multimode fully software configurable GNSS receiver: a focus on Galileo. *Transport in 7th FP.* Warsaw, Poland 06-07 Jun 2006

A digitally configurable fully integrated receiver chip for GALILEO ground terminals - GaliSys

Telli, A.T., Cetin, E. and Kale, I. 2006. A digitally configurable fully integrated receiver chip for GALILEO ground terminals - GaliSys. *3rd ESA Workshop on Satellite Navigation User Equipment Technologies (NAVITEC '2006).* Noordwijk, The Netherlands 11-14 Dec 2006

GaliSys: fully integrated software configurable receiver integrated circuit(s) (ICs) for GALILEO radio navigation satellite systems and it's applications in disaster management and rehabilitation

Telli, A.T., Cetin, E. and Kale, I. 2006. GaliSys: fully integrated software configurable receiver integrated circuit(s) (ICs) for GALILEO radio navigation satellite systems and it's applications in disaster management and rehabilitation. *1st International Conference on Advances in Space Technologies: Space Technologies for Disaster Management and Rehabilitation.* Islamabad, Pakistan 02-03 Sep 2006

A colour normalization method for giemsa-stained blood cell images

Tek, F.B., Dempster, A.G. and Kale, I. 2006. A colour normalization method for giemsa-stained blood cell images. in: 2006 IEEE 14th Signal Processing and Communications Applications, Antalya Turkey, 17-19 April 2006 IEEE . pp. 1-4

Malaria parasite detection in peripheral blood images

Tek, F.B., Dempster, A.G. and Kale, I. 2006. Malaria parasite detection in peripheral blood images. in: Medical Image Understanding and Analysis (MIUA 2006): 4th-5th July 2006, University of Manchester BMVA.

Malaria parasite detection in peripheral blood images

Tek, F.B., Dempster, A.G. and Kale, I. 2006. Malaria parasite detection in peripheral blood images. in: Chantler, M.J., Trucco, E. and Fisher, R.B. (ed.) British Machine Vision Conference 2006 (BMVC 2006) Edinburgh, UK BMVA.

Room equalization based on iterative simple complex smoothing of acoustic impulse responses

Maamar, A., Kale, I. and Daoud, B. 2006. Room equalization based on iterative simple complex smoothing of acoustic impulse responses. in: 2006 IEEE International Conference on Acoustics, Speech and Signal Processing. ICASSP 2006 Proceedings. Los Alamitos, USA IEEE . pp. V109-V112

Stability analysis of higher-order delta-sigma modulators using the describing function method

Lota, J., Al-Janabi, M. and Kale, I. 2006. Stability analysis of higher-order delta-sigma modulators using the describing function method. in: Proceedings of the IEEE International Symposium on Circuits and Systems, 2006: ISCAS 2006 Los Alamitos, USA IEEE . pp. 593-596

Complex frequency transformations for DSP applications

Krukowski, A.M., Kale, I. and Cain, G.D. 2006. Complex frequency transformations for DSP applications. in: Logothetis, M.D. and Ghassemlooy, Z. (ed.) Proceedings of the Fifth International Symposium on Communication Systems, Networks and Digital Signal Processing (CSNDSP): 19-21 July 2006, Patras Univ. Conference Centre, Patras, Greece Newcastle upon Tyne, UK CSNDSP. pp. 722-726

Analysis of the polyphase IIR structure in the constraint coefficient space

Krukowski, A.M. and Kale, I. 2006. Analysis of the polyphase IIR structure in the constraint coefficient space. in: Logothetis, M.D. and Ghassemlooy, Z. (ed.) Proceedings of the Fifth International Symposium on Communication Systems, Networks and Digital Signal Processing (CSNDSP): 19-21 July 2006, Patras Univ. Conference Centre, Patras, Greece Newcastle upon Tyne, UK CSNDSP. pp. 727-730

A computationally efficient DAB bit-stream processor

Kazazoglu, R., Demirsoy, S.S., Kale, I. and Morling, R.C.S. 2006. A computationally efficient DAB bit-stream processor. in: 2006 IEEE International Symposium on Circuits and Systems. ISCAS 2006. Proceedings. Los Alamitos, USA IEEE . pp. 5543-5546

A high-speed, low-power interleaved trace-back memory for Viterbi decoder

Israsena, P. and Kale, I. 2006. A high-speed, low-power interleaved trace-back memory for Viterbi decoder. in: 2006 IEEE International Symposium on Circuits and Systems. ISCAS 2006. Proceedings. Los Alamitos, USA IEEE . pp. 2801-2804

A Viterbi decoder with low-power trace-back memory structure for wireless pervasive communications

Israsena, P. and Kale, I. 2006. A Viterbi decoder with low-power trace-back memory structure for wireless pervasive communications. in: 1st International Symposium on Wireless Pervasive Computing, 2006 Los Alamitos, USA IEEE .

A new bulk-driven input stage design for sub 1-volt CMOS op-amps

Haga, Y., Morling, R.C.S. and Kale, I. 2006. A new bulk-driven input stage design for sub 1-volt CMOS op-amps. in: 2006 IEEE International Symposium on Circuits and Systems. ISCAS 2006. Proceedings. Los Alamitos, USA IEEE . pp. 1547-1550

Efficient low-power design and implementation of IQ-imbalance compensator using early termination

Cetin, E., Kale, I. and Morling, R.C.S. 2006. Efficient low-power design and implementation of IQ-imbalance compensator using early termination. in: Proceedings of the 2006 IEEE International Symposium on Circuits and Systems, May 21-24, 2006, Island of Kos, Greece, (ISCAS 2006) Los Alamitos, USA IEEE . pp. 4995-4998

A low-complexity self-calibrating adaptive quadrature receiver

Cetin, E., Demirsoy, S.S., Kale, I. and Morling, R.C.S. 2006. A low-complexity self-calibrating adaptive quadrature receiver. in: Stoica, A., Arslan, T., Suess, M., Yalçın, S., Keymeulen, D., Higuchi, T., Zebulum, R. and Aydin, N. (ed.) Proceedings of the First NASA/ESA Conference on Adaptive Hardware and Systems, 15-18 June 2006, Istanbul, Turkey (AHS 2006) Los Alamitos, USA IEEE . pp. 428-435

A modeling platform for efficient characterization of phase-locked loop /spl Delta/-/spl Sigma/ frequency synthesizers

Bourdi, T., Borjak, A. and Kale, I. 2006. A modeling platform for efficient characterization of phase-locked loop /spl Delta/-/spl Sigma/ frequency synthesizers. in: Proceedings of the IEEE International Symposium on Circuits and Systems, 2006: ISCAS 2006 Los Alamitos, USA IEEE . pp. 3221-3224

Highly linear transconductance topology using floating transistors

Zare-Hoseini, H., Kale, I. and Morling, R.C.S. 2006. Highly linear transconductance topology using floating transistors. *Electronics Letters.* 42 (1), pp. 2-4.

Communications system

Cetin, E., Kale, I. and Morling, R.C.S. 2005. *Communications system.*

Modeling of switched-capacitor delta-sigma Modulators in SIMULINK

Zare-Hoseini, H., Kale, I. and Shoaei, O. 2005. Modeling of switched-capacitor delta-sigma Modulators in SIMULINK. *IEEE Transactions on Instrumentation and Measurement.* 54 (4), pp. 1646-1654.

A study on the effects of accumulated and independent clock jitter on discrete-time delta-sigma modulators

Lota, J., Al-Janabi, M. and Kale, I. 2005. A study on the effects of accumulated and independent clock jitter on discrete-time delta-sigma modulators. in: IEEE Instrumentation and Measurement Technology Conference 2005 IEEE . pp. 786-790

Synthesis of reconfigurable multiplier blocks: part II: algorithm

Demirsoy, S.S., Kale, I. and Dempster, A.G. 2005. Synthesis of reconfigurable multiplier blocks: part II: algorithm. in: IEEE International Symposium on Circuits and Systems 2005 Piscataway, N.J., USA IEEE .

Synthesis of reconfigurable multiplier blocks: part I: fundamentals

Demirsoy, S.S., Kale, I. and Dempster, A.G. 2005. Synthesis of reconfigurable multiplier blocks: part I: fundamentals. in: IEEE International Symposium on Circuits and Systems 2005 Piscataway, N.J., USA IEEE .

Efficient implementation of digital filters using novel reconfiguaration multiplier blocks (REMB)

Demirsoy, S.S., Dempster, A.G. and Kale, I. 2005. Efficient implementation of digital filters using novel reconfiguaration multiplier blocks (REMB). in: Conference record of the Thirty-Eighth Asilomar Conference on Signals, Systems and Computers, 2004: November 7-10, 2004, Pacific Grove, California Piscataway, N.J., USA IEEE .

Joint compensation of IQ-imbalance and carrier phase sychronization errors in communication receivers

Cetin, E., Kale, I. and Morling, R.C.S. 2005. Joint compensation of IQ-imbalance and carrier phase sychronization errors in communication receivers. in: IEEE International Symposium on Circuits and Systems (ISCAS): May 23-26, 2005, International Conference Center, Kobe, Japan: conference proceedings Piscataway, N.J., USA IEEE . pp. 4481-4484

Efficient FPGA implementation of an adaptive IQ-imbalance corrector for communication receivers using reduced range multipliers

Cetin, E., Demirsoy, S.S., Kale, I. and Morling, R.C.S. 2005. Efficient FPGA implementation of an adaptive IQ-imbalance corrector for communication receivers using reduced range multipliers. *13th European Signal Processing Conference (EUSIPCO).* Antalya, Turkey 04-08 Sep 2005

Rigorous analysis of delta-sigma modulators for fractional-N PLL frequency synthesis

Kozak, M. and Kale, I. 2004. Rigorous analysis of delta-sigma modulators for fractional-N PLL frequency synthesis. *IEEE Transactions on Circuits and Systems I: Fundamental Theory and Applications.* 51 (6), pp. 1148-1162.

On various low-hardware-complexity LMS algorithms for adaptive I/Q correction in quadrature receivers

Cetin, E., Kale, I. and Morling, R.C.S. 2004. On various low-hardware-complexity LMS algorithms for adaptive I/Q correction in quadrature receivers. in: Proceedings of the 2004 IEEE International Symposium on Circuits and Systems, May 23 - 26, 2004, Sheraton Vancouver Wall Centre Hotel, Vancouver, British Columbia, Canada USA IEEE . pp. 461-464

Adaptive self-calibrating image rejection receiver

Cetin, E., Kale, I. and Morling, R.C.S. 2004. Adaptive self-calibrating image rejection receiver. in: 2004 IEEE International Conference on Communications: 20-24 June 2004, Paris conference proceedings Piscataway, N.J., USA IEEE .

Performance analysis of PC-based development systems with onboard ADC/DACs for digital signal processing applications

Macii, D., Demirsoy, S.S., Carbone, P. and Kale, I. 2003. Performance analysis of PC-based development systems with onboard ADC/DACs for digital signal processing applications. *Eighth IMEKO TC-4 Workshop on ADC Modelling and Testing.* Perugia, Italy 08-10 Sep 2003

Reconfigurable implementation of recursive DCT kernels for reduced quantization noise

Dempster, A.G., Beck, R., Demirsoy, S.S. and Kale, I. 2003. Reconfigurable implementation of recursive DCT kernels for reduced quantization noise. in: Proceedings of the 2003 International Symposium on Circuits and Systems (ISCAS '03) USA IEEE .

Design guidelines for reconfigurable multiplier blocks

Demirsoy, S.S., Dempster, A.G. and Kale, I. 2003. Design guidelines for reconfigurable multiplier blocks. in: 2003 IEEE International Symposium on Circuits and Systems Las Alamitos, USA IEEE .

Performance of an adaptive homodyne receiver in the presence of multipath, Rayleigh-fading and time-varying quadrature errors

Cetin, E., Kale, I. and Morling, R.C.S. 2003. Performance of an adaptive homodyne receiver in the presence of multipath, Rayleigh-fading and time-varying quadrature errors. in: Proceedings of the 2003 International Symposium on Circuits and Systems, 2003, (ISCAS '03), Sunday, May 25 - Wednesday, May 28, 2003, Imperial Queen's Park Hotel, Bangkok, Thailand USA IEEE .

Quantization effects in the polyphase N-path IIR structure

Krukowski, A.M., Morling, R.C.S. and Kale, I. 2002. Quantization effects in the polyphase N-path IIR structure. *IEEE Transactions on Instrumentation and Measurement.* 51 (6), pp. 1271-1278.

Designing multiplier blocks with low logic depth

Dempster, A.G., Demirsoy, S.S. and Kale, I. 2002. Designing multiplier blocks with low logic depth. in: IEEE ISCAS International Symposium on Circuits and Systems USA IEEE .

Power consumption behaviour of multiplier block algorithms

Demirsoy, S.S., Dempster, A.G. and Kale, I. 2002. Power consumption behaviour of multiplier block algorithms. in: Proceedings of the 2002 45th Midwest Symposium on Circuits and Systems Las Alamitos, USA IEEE .

Power analysis of multiplier blocks

Demirsoy, S.S., Dempster, A.G. and Kale, I. 2002. Power analysis of multiplier blocks. in: IEEE ISCAS International Symposium on Circuits & Systems USA IEEE .

On the structure, convergence and performance of an adaptive I/Q mismatch corrector

Cetin, E., Kale, I. and Morling, R.C.S. 2002. On the structure, convergence and performance of an adaptive I/Q mismatch corrector. in: 2002 IEEE 56th Vehicular Technology Conference Proceedings: 24-28 September 2002, Vancouver, Canada, (VTC2002) USA IEEE .

On the structure and performance of a novel blind source separation based carrier phase synchronization error compensator

Cetin, E., Kale, I. and Morling, R.C.S. 2002. On the structure and performance of a novel blind source separation based carrier phase synchronization error compensator. in: Proceedings of the 45th Midwest Symposium on Circuits and Systems, August 4-7, 2002, Tulsa, Oklahoma Las Alamitos, USA IEEE .

On the performance of a blind source separation based I/Q-corrector

Cetin, E., Kale, I. and Morling, R.C.S. 2002. On the performance of a blind source separation based I/Q-corrector. in: RAWCON 2002: 2002 IEEE Radio and Wireless Conference, Boston, Massachusetts, USA, August 11-14, 2002 Las Alamitos, USA IEEE . pp. 99-102

Correction of transmitter gain and phase errors at the receiver

Cetin, E., Kale, I. and Morling, R.C.S. 2002. Correction of transmitter gain and phase errors at the receiver. in: Proceedings of the 2002 IEEE International Symposium on Circuits and Systems, May 26 - 29, 2002, Fairmont Scottsdale Princess, Phoenix-Scottsdale, Arizona, USA Las Alamitos, USA IEEE .

Methods for the transfer function design of multiple narrow-band bandpass sigma-delta modulators

Al-Janabi, M., Kale, I. and Morling, R.C.S. 2001. Methods for the transfer function design of multiple narrow-band bandpass sigma-delta modulators. *Computer Standards & Interfaces.* 23 (2), pp. 85-102.

Virtual classroom

Krukowski, A.M. and Kale, I. 2001. Virtual classroom. in: Okamoto, T., Hartley, R. and Klus, J.P. (ed.) proceedings of the IEEE International Conference on Advanced Learning Technologies, University of Wisconsin, Madison, Aug 06-08, 2001 IEEE . pp. 279-282

Blind source separation based low-complexity carrier phase synchronization

Cetin, E., Kale, I. and Morling, R.C.S. 2001. Blind source separation based low-complexity carrier phase synchronization. *1st IEEE International Symposium on Signal Processing and Information Technology.* Cairo, Egypt 28-30 Dec 2001

Blind adaptive DSP techniques to combat analog front-end non-linearities in digital receivers

Cetin, E., Kale, I. and Morling, R.C.S. 2001. Blind adaptive DSP techniques to combat analog front-end non-linearities in digital receivers. *2001 IEEE - EURASIP Workshop on Nonlinear Signal and Image Processing.* Baltimore, USA 03-06 Jun 2001

Adaptive digital receivers for analog front-end mismatch correction

Cetin, E., Kale, I. and Morling, R.C.S. 2001. Adaptive digital receivers for analog front-end mismatch correction. in: 2001 IEEE 54th Vehicular Technology Conference (VTC 2001 - Fall), 7-11 Oct 2001, Atlantic City, New Jersey, USA USA IEEE .

Adaptive compensation of analog front-end I/Q mismatches in digital receivers

Cetin, E., Kale, I. and Morling, R.C.S. 2001. Adaptive compensation of analog front-end I/Q mismatches in digital receivers. in: Proceedings of the IEEE International Symposium on Circuits and Systems (ISCAS 2001), 6-9 May 2001, Sydney Convention and Exhibition Centre, Darling Harbour, Sydney, Australia USA IEEE .

Design, analysis and evaluation of bandpass sigma-delta modulators

Al-Janabi, M. 2000. *Design, analysis and evaluation of bandpass sigma-delta modulators.* PhD thesis University of Westminster School of Electronics and Computer Science

Narrow-band variable center frequency single-loop and multistage sigma-delta modulators for bandpass signals

Al-Janabi, M., Kale, I. and Morling, R.C.S. 1999. Narrow-band variable center frequency single-loop and multistage sigma-delta modulators for bandpass signals. *IEEE Transactions on Instrumentation and Measurement.* 48 (5), pp. 873-877.

A comparative study of complex multiple-band noise-shaping sigma-delta modulators for multi-tone input signals

Al-Janabi, M., Kale, I. and Morling, R.C.S. 1999. A comparative study of complex multiple-band noise-shaping sigma-delta modulators for multi-tone input signals. in: Proceedings of the 42nd Midwest Symposium on Circuits and Systems, vol 1, Las Cruces, New Mexico IEEE . pp. 452-455

Increasing the variability of centre frequency locations in multiple-band sigma-delta modulators via the use of fractional delay filters

Al-Janabi, M., Kale, I. and Morling, R.C.S. 1999. Increasing the variability of centre frequency locations in multiple-band sigma-delta modulators via the use of fractional delay filters. in: Proceedings of the Third International Conference on Advanced A/D and D/A Conversion Techniques and their Applications, University of Strathclyde, Glasgow, UK, July 1999 IEEE . pp. 30-33

Concurrent noise-shaping for multiple narrow-band single-loop and multi-stage sigma-delta modulators

Al-Janabi, M., Kale, I. and Morling, R.C.S. 1999. Concurrent noise-shaping for multiple narrow-band single-loop and multi-stage sigma-delta modulators. in: IWADC '99: 4th International Workshop on ADC Modelling and Testing, September 9 - 10, 1999, Laboratoire IXL-ENSERB, Bordeaux, France ; [proceedings] Ecole Nationale Supérieure d'Electricité et de Radioélectricité de Bordeaux. pp. 27-32

Application of fractional delay filters to tune the centre frequency location of single-band sigma-delta modulators

Al-Janabi, M., Kale, I. and Morling, R.C.S. 1999. Application of fractional delay filters to tune the centre frequency location of single-band sigma-delta modulators. in: Proceedings of the 42nd Midwest Symposium on Circuits and Systems, vol 1, Las Cruces, New Mexico IEEE . pp. 181-184

An extensible complex fast Fourier transform processor chip for real-time spectrum analysis and measurement

Cetin, E., Morling, R.C.S. and Kale, I. 1998. An extensible complex fast Fourier transform processor chip for real-time spectrum analysis and measurement. *IEEE Transactions on Instrumentation and Measurement.* 47 (1), pp. 95-99.

An analysis of non-ideal variable centre frequency narrow-band bandpass sigma-delta modulators

Al-Janabi, M., Kale, I. and Morling, R.C.S. 1998. An analysis of non-ideal variable centre frequency narrow-band bandpass sigma-delta modulators. in: Proceedings of the 1st IEEE International Symposium on Communication Systems and Digital Signal Processing, vol. 1, 6-8 April 1998, Sheffield, UK IEEE . pp. 289-292

Tunable centre frequency resonator based bandpass Σ-Δ modulators

Al-Janabi, M., Kale, I. and Morling, R.C.S. 1998. Tunable centre frequency resonator based bandpass Σ-Δ modulators. in: Proceedings of the Instrumentation and Measurement Technology Conference, vol 2, St. Paul, Minnesota. USA, May 1998 IEEE . pp. 1248-1252

Stability evaluation of tunable resonator-based bandpass sigma-delta modulators via root locus analysis

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