Sandeep Hari

College of Engineering

Works (5)

Updated: November 18th, 2023 05:00

2023 article

A Reflection-Mode N-Path Filter Tunable From 6 to 31 GHz

Hari, S., Ellington, C. J., & Floyd, B. A. (2023, January 18). IEEE JOURNAL OF SOLID-STATE CIRCUITS, Vol. 1.

By: S. Hari n, C. Ellington n & B. Floyd n 

author keywords: Bandpass; frequency selective; millimeter wave (mmWave); N-path; passive mixer; reflection mode; transversal filter; tunable filter
Sources: Web Of Science, NC State University Libraries
Added: February 20, 2023

2023 article

Analysis and Design of Baseband Circuits for Higher-Order Reflection-Mode N-Path Filters

Ellington, C. J., Hari, S., & Floyd, B. A. (2023, October 20). IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS I-REGULAR PAPERS, Vol. 10.

By: C. Ellington n, S. Hari n & B. Floyd n 

author keywords: Mixers; Baseband; Mathematical models; Filtering theory; Admittance; Reflection; Impedance; Software-defined radio; N-path; reflection-mode; tunable filter; higher-order; RF; mm-wave; X-band; baseband techniques; Butterworth; Chebyshev; elliptic; Cauer
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: November 13, 2023

2023 article

RF-to-Millimeter-Wave Receivers Employing Frequency-Translated Feedback

Dean, J., Hari, S., & Floyd, B. A. (2023, October 11). IEEE JOURNAL OF SOLID-STATE CIRCUITS, Vol. 10.

By: J. Dean n, S. Hari n & B. Floyd n 

author keywords: 5G; beamforming; CMOS; direct conversion; frequency-translational feedback; front end; impedance matching; millimeter wave (mm-wave); mixer; N-path; negative feedback; passive mixer; receiver (RX); software-defined radio; wideband
Sources: Web Of Science, NC State University Libraries
Added: November 6, 2023

2021 article

A 4-31GHz Direct-Conversion Receiver Employing Frequency-Translated Feedback

ESSCIRC 2021 - IEEE 47TH EUROPEAN SOLID STATE CIRCUITS CONFERENCE (ESSCIRC), pp. 187–190.

By: J. Dean n, S. Hari n, A. Bhat n & B. Floyd n 

Contributors: J. Dean n, S. Hari n, A. Bhat n & B. Floyd n 

author keywords: passive-mixer; receiver; N-path; beamforming; direct-conversion; negative feedback; frequency-translational feedback; CMOS; front-end; 5G
TL;DR: This paper presents a multi-band direct-conversion receiver with frequency-translated feedback that employs tunable resistor banks attached to additional four-phase passive mixers, allowing tunable frequency-selective input matching. (via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: December 10, 2021

2020 article

A 20-33 GHz Direct-Conversion Transmitter in 45-nm SOI CMOS

2020 IEEE BICMOS AND COMPOUND SEMICONDUCTOR INTEGRATED CIRCUITS AND TECHNOLOGY SYMPOSIUM (BCICTS).

By: T. Ren n, S. Hari n & B. Floyd n 

Contributors: T. Ren n, S. Hari n & B. Floyd n 

author keywords: Transmitter; wide-band; IQ modulator; Gilbert cell; power amplifier; CMOS SOI; millimeter-wave; 5G
TL;DR: This paper presents a 20–33 GHz direct-conversion transmitter implemented in 45-nm RFSOI CMOS technology that features a divider-based quadrature clock generation circuit, two current-combined double-balanced mixers, and a balanced power amplifier (PA) employing stacked FETs. (via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 23, 2021

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