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Wideband signal processing

A broadband signal and input signal technology, applied in baseband system components, integral/differential calculation operations, calculation operation devices, etc., can solve problems such as not being fully programmable and analog circuits not being fully reconfigurable

Inactive Publication Date: 2014-07-30
斯佩罗设备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Finally, analog circuits are neither fully reconfigurable nor fully programmable

Method used

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Embodiment Construction

[0032] Exemplary embodiments of the present invention are described below.

[0033] Embodiments of the present invention include methods and apparatus for wideband signal processing as described in U.S. Application No. 12 / 921,987 by Dev V. Gupta and Divi Gupta (published as U.S. Patent No. 2011 / 0051782), all of which The contents are hereby incorporated by reference. Embodiments of the Radio Frequency Broadband Analog Component Block may be constructed according to International Application No. PCT / US2011 / 024542 by Dev V. Gupta and Zhiguo Lai, the entire contents of which are hereby incorporated by reference.

[0034] Wideband Signal Processing (WiSP) is an analog signal processing technique; that is, it enables programmable and executable analog computing over bandwidths from 50MHz to 20GHz or more. The basis of WiSP is state variable theory which, when combined with CMOS deep submicron technology, enables the extension of low frequency signal processing techniques to micron...

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Abstract

A biquad wideband signal processing circuit can operate over bandwidths of 50 MHz to 20 GHz or more. The biquad circuit employs a configuration of integrators (transconductors), buffers, and scalable summers that can be implemented using deep sub-micron CMOS technology. Combining this scaling with high gain / high bandwidth enables implementation of feedback and programmability for broadband analog signal processing. A biquad circuit implementing a number of parallel integrator lines having adjustable gain provides greater accuracy, stability, and bandwidth, and allows for control of process variations and temperature variation in real-time.

Description

[0001] related application [0002] This application claims the benefit of US Provisional Application No. 61 / 554,223, filed November 1, 2011. The entire teaching of the above application is hereby incorporated by reference. technical field Background technique [0003] Increases in signal bandwidth and data transfer rates have spurred the development of new signal processing techniques to address challenges associated with wideband signals. The increased signal bandwidth also enables new applications, including active radio frequency (RF) identification (ID) based on ultra-wideband (UWB) technology in heterogeneous environments. In addition, the increased signal bandwidth improves ranging accuracy, making wideband technology particularly attractive for radar, imaging, and other applications. [0004] Unfortunately, fundamental scaling limitations in clock speed, switching, heat dissipation, and fault recovery difficulties make digital logic unsuitable for wideband signal p...

Claims

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Application Information

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IPC IPC(8): H04L25/02
CPCG06G7/18H03H11/1252H03H11/1291H03H2210/021
Inventor 德夫·V·古普塔
Owner 斯佩罗设备有限公司
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