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Srinivasan Gopal

Researcher at Washington State University

Publications -  20
Citations -  252

Srinivasan Gopal is an academic researcher from Washington State University. The author has contributed to research in topics: Amplifier & CMOS. The author has an hindex of 7, co-authored 20 publications receiving 164 citations. Previous affiliations of Srinivasan Gopal include Intel.

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Proceedings ArticleDOI

A 28GHz 41%-PAE linear CMOS power amplifier using a transformer-based AM-PM distortion-correction technique for 5G phased arrays

TL;DR: Few works at low-GHz frequencies are reported to improve the PA's intrinsic linearity using a varactor-or PMOS-based AM-PM correction methods, however, the inclusion of additional capacitive element to correct AM- PM degrades gain and efficiency, which is not optimal for mmW frequencies.
Journal ArticleDOI

A 25–35 GHz Neutralized Continuous Class-F CMOS Power Amplifier for 5G Mobile Communications Achieving 26% Modulation PAE at 1.5 Gb/s and 46.4% Peak PAE

TL;DR: A parasitic-aware tuned-load with a high-order harmonic-resonance network is proposed to shape the current and voltage waveforms for the CCF PA, reducing detrimental loading effect on harmonic-tuned load while enhancing power efficiency and stability.
Journal ArticleDOI

Transformer-Based Predistortion Linearizer for High Linearity and High Modulation Efficiency in mm-Wave 5G CMOS Power Amplifiers

TL;DR: This proposed inductive linearization method mitigates the large gain reduction problem in traditional capacitor-based linearization approaches while consuming no extra dc power or without introducing additional control circuitry.
Proceedings ArticleDOI

A Continually-Stepped Variable-Gain LNA in 65-nm CMOS Enabled by a Tunable-Transformer for mm-Wave 5G Communications

TL;DR: The proposed CSVG-LNA alleviates high power consumption and large noise-figure (NF) variation problems in traditional approaches and achieves 1.5X improvement in FoM in comparison to state-of-the-arts mm-wave variable-gain CMOS LNAs.
Journal ArticleDOI

A Spatial Multi-Bit Sub-1-V Time-Domain Matrix Multiplier Interface for Approximate Computing in 65-nm CMOS

TL;DR: Large-scale parallel implementation of matrix multiply and accumulate (MAC) core poses significant energy and area constraints in analog voltage domain under reduced supply voltage, so a spatial multi-bit sub-1-V time-domain matrix multiplier interface is presented using multi- bit back-gate-driven delay elements as a scalable alternative for various approximate computing applications.