Inspired by Hogervorst et al's current switch idea, a buffered output stage operational amplifier was designed, which has high frequency, high dc gain, and rail-to-rail constant transconductance ...

While an amplifier provides gain, boosts the signal, an attenuator provides loss, reduces the signal. Attenuators are always a compromise and should only be used if absolutely necessary.

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In this paper, a high gain, high speed operational trans-conductance amplifier (OTA) is designed and implemented in TSMC 0.18μm mixed signal process. Gain-boost technique and other optimal designs are ...