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A CMOS 0.8 μm fully differential current mode buffer for HF SI circuits

 

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Opened Access A CMOS 0.8 μm fully differential current mode buffer for HF SI circuits
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Author: Rosa Utrera, José Manuel de la
Pérez Verdú, Belén
Medeiro Hidalgo, Fernando
Domínguez Castro, Rafael
Rodríguez Vázquez, Ángel Benito
Department: Universidad de Sevilla. Departamento de Electrónica y Electromagnetismo
Date: 1998
Published in: Microelectronics Journal, 29 (11), 817-820.
Document type: Article
Abstract: We present a high-frequency fully-differential current-mode buffer to interface off-chip currents with no significant degradation of the frequency response, and to measure current-mode ICs using standard equipment. It has been fabricated in a 0.8μm double-poly double-metal CMOS technology and features more than 37MHz bandwidth. In order to show its functionality, this unit has been incorporated to the front end of a Switched-Current Band-Pass ΣΔ modulator featuring 9 bit dynamic range at 10MHz clock frequency for a 30kHz signal bandwidth centered at 2.5MHz.
Cite: Rosa Utrera, J.M.d.l., Pérez Verdú, B., Medeiro Hidalgo, F., Domínguez Castro, R. y Rodríguez Vázquez, Á.B. (1998). A CMOS 0.8 μm fully differential current mode buffer for HF SI circuits. Microelectronics Journal, 29 (11), 817-820.
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URI: https://hdl.handle.net/11441/78265

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