Simple technique using local CMFB to enhance slew rate and bandwidth of one-stage CMOS op-amps |
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| Authors: | Ramirez-Angulo J Holmes M |
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| Affiliation: | Klipsch Sch. of Electr. Eng., New Mexico State Univ., Las Cruces, NM; |
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| Abstract: | A simple modification to a one-stage op-amp for operation as a class AB amplifier leads to significant slew rate and bandwidth enhancement with essentially equal silicon area and static power dissipation requirements. Experimental results of a prototype in 0.5 /spl mu/m CMOS verify SR and bandwidth enhancement factors of almost one order of magnitude. |
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