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BiCMOS amplifier with gain switching elements in feedback path
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patent # US5486791
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Programmable
Gain Amplifier I
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BiCMOS amplifier with gain switching elements in feedback path
(differential version)
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patent # US5233309
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Programmable
Gain Amplifier II
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Rail-to-rail CMOS amplifier
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patent # US5574401
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Large
common mode input range CMOS amplifier
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