عنوان
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A high input dynamic range, low voltage cascode current mirror and enhanced phase-margin folded cascode amplifier
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نوع پژوهش
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مقاله ارائه شده کنفرانسی
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کلیدواژهها
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current mirror, dynamic range, folded cascode amplifier, phase margin
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چکیده
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A new adaptive biased cascode current mirror is presented. The proposed cascode current mirror has advantage of simplicity with low voltage operation without using any other bias currents or voltages. With proposed self-biasing configuration, large dynamic input current with high accuracy can be maintained without increasing input resistance or limiting output swing. Also, the proposed low voltage cascode mirror is incorporated in folded cascode amplifier in order to enhance its phase margin (PM). The Enhanced PM Folded Cascode amplifier has unity gain bandwidth of 84 MHz and consumes 720 μW @ 1.8 V with phase margin of 88 . The proposed circuits are designed and simulated in standard 0.18μm CMOS technology.
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پژوهشگران
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اردوان جاوید (نفر دوم)، امید هاشمی پور (نفر سوم)، میثم اکبری (نفر اول)
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