模拟IC笔试题汇总

nahidmoron

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DT27

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zhengtu

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tobethink_calm

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西敏寺乌鸦

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shengdaozhe

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早睡早起DRC

cAbstract—This paper presents a capacitor-less low dropout
(LDO) regulator that requires no frequency compensation, with
the use of an adaptive-deadzone ring amplifier. Due to the
dynamic behavior of the ring amplifier depending on the input
voltage, the proposed LDO features a hybrid (digital or analog)
operation and achieves both fast transient response and high
output accuracy with a low quiescent current. Moreover, an
adaptive deadzone biasing scheme is employed to ensure high
stability for a wide range of load current operating conditions. A
1V LDO prototype with 80mA maximum load current is
implemented in a 0.18m CMOS process, consuming only a
quiescent current of 6.5A with a dropout voltage of 90mV. It
achieves 172−432ns settling time for load current transitions
between 1mA and 81mA. The active area is 0.1mm2.

水中山0428

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tkmbcy

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ICyyy

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