A low-power 5-70-MHz seventh-order log-domain filter with programmable boost, group delay, and gain for hard disk drive applications

Baki R.A.; El-Gamal M.N.

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A low-power 5-70-MHz seventh-order log-domain filter with programmable boost, group delay, and gain for hard disk drive applications

机译：低功耗5-70MHz七阶对数域滤波器，具有可编程升压，组延迟和增益，适用于硬盘驱动器应用

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A seventh-order 0.05° equiripple linear-phase continuous-time filter employing log-domain-based instantaneous companding was designed and integrated in a mature bipolar process. The amount of boost (up to 13 dB) and group-delay adjustment (±30%) are digitally programmable. The dc gain is controllable up to 10 dB, and the -3-dB frequency (fc) is tunable from 5 to 70 MHz. The output swing for 1% total harmonic distortion is higher than 100 mVpp, with a 1.5-V supply. The filter consumes very low power (5-13 mW for fc=70 MHz) compared to conventional implementations (e.g., 120 mW for fc=100MHz ).

机译：设计了采用基于对数域的瞬时压扩的七阶0.05°等波纹线性相位连续时间滤波器，并将其集成在成熟的双极过程中。增强量（最高13 dB）和组延迟调整（±30％）是数字可编程的。直流增益可控制高达10 dB，而-3-dB频率（fc）可在5至70 MHz范围内调节。采用1.5V电源时，总谐波失真为1％时，输出摆幅高于100 mVpp。与常规实现相比（例如，对于fc ＝ 100MHz，120mW），该滤波器消耗非常低的功率（对于fc ＝ 70MHz，为5-13mW）。

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来源
《IEEE Journal of Solid-State Circuits》 |2003年第2期|p.205-215|共11页
作者
Baki R.A.; El-Gamal M.N.;
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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类一般性问题;基本电子电路;
关键词
bipolar analogue integrated circuits; circuit tuning; continuous time filters; current-mode circuits; delays; equiripple filters; gain control; hard discs; linear phase filters; low-power electronics; programmable filters; 1.5 V; 5 to 13 mW; 5 to 70 MHz; current-mode;

机译：双极模拟集成电路;电路调谐;连续时间滤波器;电流模式电路;延迟;波纹滤波器;增益控制;硬盘;线性相位滤波器;低功率电子器件;可编程滤波器;1.5 V;5至13 mW;5至70 MHz;电流模式;

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专利

1. A low-power 5-70-MHz seventh-order log-domain filter with programmable boost, group delay, and gain for hard disk drive applications [J] . Baki R.A., El-Gamal M.N. IEEE Journal of Solid-State Circuits . 2003,第2期

机译：低功耗5-70MHz七阶对数域滤波器，具有可编程升压，组延迟和增益，适用于硬盘驱动器应用
2. A 70-mW seventh-order filter with 7-50 MHz cutoff frequency and programmable boost and group delay equalization [J] . Rezzi F., Bietti I. IEEE Journal of Solid-State Circuits . 1997,第12期

机译：一个70mW的七阶滤波器，具有7-50 MHz的截止频率以及可编程的升压和群延迟均衡
3. Custom design of CMOS low-power high-performance digital signal-processing macro for hard-disk-drive applications [J] . IBM Journal of Research and Development . 1995,第1期

机译：针对硬盘驱动器应用的CMOS低功耗高性能数字信号处理宏的定制设计
4. A low-power, 5-70MHz, 7th-order filter with programmable boost, group delay, and gain using instantaneous companding [C] . Rola Baki, Mourad N. El-Gama Low Power Electronics and Design . 2001

机译：低功耗，5-70MHz的七阶滤波器，具有可编程的升压，群延迟和使用瞬时压扩的增益
5. Equilibrium and stability in spinning disk systems with application to computer hard disk drives, CD-ROMs, zip disks, and industrial circular saws. [D] . Warner, Grant Miller. 2003

机译：旋转磁盘系统中的平衡性和稳定性，适用于计算机硬盘驱动器，CD-ROM，zip磁盘和工业圆锯。
6. Design of a Sub-Picosecond Jitter with Adjustable-Range CMOS Delay-Locked Loop for High-Speed and Low-Power Applications [O] . Bilal I. Abdulrazzaq, Omar J. Ibrahim, Shoji Kawahito, 2016

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7. A Low-Power, 5-70MHz, 7th-Order Filter with Programmable Boost, Group Delay, and Gain Using Instantaneous Companding [O] . Rola A. Baki, Mourad N. El-gamal 2013

机译：具有可编程升压，群延迟和增益的低功耗，5-70mHz，7阶滤波器，使用瞬时压缩扩展
8. Practical Applications of Bloom Filters to the NIST RDS and Hard Drive Triage; Conference paper [R] . Farrell, P., Garfinkel, S. L., White, D. 2008

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A low-power 5-70-MHz seventh-order log-domain filter with programmable boost, group delay, and gain for hard disk drive applications

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