1V CMOS Gm-C Filters
Design and Applications

1V CMOS Gm-C Filters: Design and Applications discusses the design aspects of transconductor and Gm-C filter circuits, with a special focus on 1V circuit implementations. The emphasis is on high linearity voltage-to-current blocks for wireless and wireline applications, and the designs cover up to very high speed specifications.

1V CMOS Gm-C Filters: Design and Applications provides a clear introduction of low voltage architectures and yields insight into the influence of circuit non-idealities. The fully CMOS implementation could be useful for wireless and wireline applications. The basic design concepts can be easily constructed through the illustration of this book. This book can be provided for engineers and researchers who are interested in the transconductor and Gm-C filter. It is also a good reference for the course related to analog integrated circuit design.

1V CMOS Gm-C Filters: Design and Applications discusses the design aspects of transconductor and Gm-C filter circuits, with a special focus on 1V circuit implementations. The emphasis is on high linearity voltage-to-current blocks for wireless and wireline applications, and the designs cover up to very high speed specifications.

1V CMOS Gm-C Filters: Design and Applications starts with a general introduction to the concepts of transconductors. The overview of the general architectures is provided, ranging from shunt feedback to floating gate topologies. A variety of transconductors based on nano-scale technologies are discussed with special attentions to the short channel effect. The performances are optimized while taking speed, linearity and power consumption into consideration. The implementation of the Gm-C filter is introduced following the transconductors. The filter synthesis and non-ideal effects caused by active devices are analyzed. Three Gm-C filters are implemented for channel selection in wireless receivers, and all of these filters operate under multiple modes to save chip area. The target applications are IEEE 802.11a/b/g Wireless LANs, Wideband CDMA, cdma2000, and Bluetooth. Moreover, the high speed filter required for pulse signal interface is also discussed. Several high speed filters are implemented with systematic design procedures. The design and discussion of automatic tuning systems are included as well.

1V CMOS Gm-C Filters: Design and Applications provides a clear introduction of low voltage architectures and yields insight into the influence of circuit non-idealities. The fully CMOS implementation could be useful for wireless and wireline applications. The basic design concepts can be easily constructed through the illustration of this book. This book can be provided for engineers and researchers who are interested in the transconductor and Gm-C filter. It is also a good reference for the course related to analog integrated circuit design.

Preface. List of Tables. List of Figures.

1. MOTIVATION. 1.1. Introduction. 1.2. Applications. 1.3. Organization.

2. TRANSCONDUCTOR. 2.1. Introduction. 2.2. Review of CMOS Transconductor. 2.3. The 40MHz Double Differential-Pair CMOS Transconductor with -60dB IM3. 2.4. A 50MHz Pseudo-Differential Transconductor with Mobility Reduction Compensation. 2.5. Linear CMOS Transconductor in Nano-Scale CMOS Technology.

3. Gm-C FILTER. 3.1. Introduction. 3.2. The Implementation of The Gm-C Filter. 3.3. A Wide Tuning Range Gm-C Continuous-Time Analog Filter.

4. MULTI-MODE CHANNEL SELECTION FILTER FOR WIRELESS APPLICATIONS. 4.1. Introduction. 4.2. Zero-IF Receiver. 4.3. A Gm-C Continuous-Time Analog Filter for Multi-Mode Wireless Applications. 4.4. Multi-Mode Gm-C Channel Selection Filter for Mobile Applications. 4.5. A Wide Tuning Range Gm-C Filter for Multi-Mode Direct-Conversion Wireless Receivers.

5. HIGH SPEED FILTER WITH AUTOMATIC TUNING CIRCUIT. 5.1. Introduction. 5.2. Linear Phase Filter. 5.3. Automatic Tuning Circuit. 5.4. A 1 GHz Equiripple Low-Pass Filter with A High-Speed Automatic Tuning Scheme. 5.5. A Gm-C Low-Pass Filter for UWB Wireless Application.

6. CONCLUSIONS.

References. About the Authors.

Tien-Yu Lo received the B.S., M.S., and Ph.D. degrees in Communication Engineering from National Chiao Tung University, Taiwan, in 2001, 2003 and 2007, respectively. Since 2008, he has been with the Analog Circuit Design Division, MediaTek Inc., Taiwan, as an analog IC designer. His research interests include analog and mix-signal circuit design with particular focus on the topic of continuous-time filters and analog-to-digital converters.

Chung-Chih Hung received the B.S. degree in Electrical Engineering from National Taiwan University, Taipei, Taiwan, in 1989, and the M.S. and Ph.D. degrees in electrical engineering from The Ohio State University, Columbus, in 1993 and 1997, respectively. From 1989 to 1991, he served in the Taiwan Marine Corps as a communication officer. From 1997 to 2003, he worked for several IC design companies in San Jose, CA, and San Diego, CA, where he held analog circuit design manager and director positions. Since 2003, he has been with the Department of Communication Engineering, National Chiao Tung University, Taiwan, where he is currently an Associate Professor. His research interests include the design of analog and mixed-signal integrated circuits for communication and high-speed applications.

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