A 55-GHz-Bandwidth Track-and-Hold Amplifier in 28-nm Low-Power CMOS.

Gregor Tretter,David Fritsche,Mohammad Mahdi Khafaji,Corrado Carta,Frank Ellinger

IEEE Transactions on Circuits and Systems II: Express Briefs（2016）

Cited 34|Views3

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Abstract

This brief presents a 25-GS/s track-and-hold amplifier (THA) implemented in a 28-nm low-power digital CMOS process. Given the intrinsic low-pass behavior of the THA core, a frequency compensation technique is employed to improve the bandwidth by increasing the input amplitude for higher frequencies. This enhances the small-signal bandwidth by almost 30% to 70 GHz. Large-signal measurements show a ...

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Key words

Bandwidth,Manganese,Inductors,Gain,CMOS integrated circuits,Impedance matching

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