Search Results - "Nallam, Nagarjuna"

Breaking the Performance Tradeoffs in N-Path Mixer-First Receivers Using a Second-Order Baseband Noise-Canceling TIA by Sharma, Prateek Kumar, Nallam, Nagarjuna

“…Input-match, noise figure (NF), in-band (IB) third-order input-referred intercept point (IIP3), out-of-band (OB) IIP3, and power consumption are five crucial…”
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A 0.1-0.95 GHz Full-Duplex Receiver With < 1 dB NF Degradation Using a Passive Continuous-Mode Charge-Sharing Vector Modulator by Sharma, Prateek Kumar, Nallam, Nagarjuna

“…This paper presents a frequency-agile in-band full-duplex (FD) receiver based on a switched-capacitor continuous-mode vector modulator (VM). The passive VM…”
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Exploiting MOS Parametric Amplification to Suppress Noise in Switched-Capacitor RF Receivers by Badiyari, Kamlesh, Nallam, Nagarjuna

“…This article presents a technique to suppress noise in switched-capacitor (SC) radio frequency (RF) receivers (RXs). In the proposed technique, the sampling…”
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An RF Choke-Less Class E Power Amplifier by Singh, Gagan Deep, Nallam, Nagarjuna

“…An RF-choke (RFC) is a crucial but difficult-to-realize component of all Class-E power amplifiers (PAs). A Class-DE PA does not require an RFC but requires two…”
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An N-Path Band-Pass Filter With Parametric Gain-Boosting by Badiyari, Kamlesh, Nallam, Nagarjuna, Chatterjee, Shouri

“…This paper presents a gain-boosting technique for two-port N-path band-pass filters (BPFs) based on the principle of discrete-time parametric amplification in…”
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A Quadrature Hybrid Coupler Based T/R Front-End by Maurya, Uday, Arrawatia, Mahima, Nallam, Nagarjuna

“…This paper presents a quadrature hybrid coupler (QHC) based transmit-receive (T/R) front-end module (FEM). The QHC offers impedance transformation over a large…”
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A Four-Phase Passive Mixer-First Receiver With a Low-Power Complementary Common-Gate TIA by Das, Indrajit, Nallam, Nagarjuna

“…This paper presents a four-phase passive mixer-first receiver using a common-gate (CG) trans-impedance amplifier (TIA), instead of a conventional…”
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Multi-Band Frequency Transformations, Matching Networks and Amplifiers by Nallam, N., Chatterjee, S.

“…In this paper, a technique for the synthesis of lumped element multi-band matching networks is proposed using frequency transformations. The proposed technique…”
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Dual‐port, aperture coupled and tapered fed patch antenna for full‐duplex ISM applications by Sangam, Ramanand S., Poolakkal, Sreeni, Palthiya, Ramkumar, Nallam, Nagarjuna, Kshetrimayum, Rakhesh S.

“…Dual port, aperture coupled and tapered fed patch antenna with high isolation is proposed for full‐duplex 2.4 GHz ISM applications. This antenna can achieve a…”
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Analysis of a Dual N-Path Filter by Nallam, Nagarjuna

“…N-path circuits based on switched capacitors and switched transmission lines have become prominent radio frequency (RF) circuits due to their frequency…”
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Enhancing the Phase-Noise-Figure-of-Merit of a Resonator using Frequency Transformations by Poolakkal, Sreeni, Nallam, Nagarjuna

“…The phase noise of an LC-oscillator largely depends on the characteristics of the resonator, such as the loss and the group delay of the resonator. In this…”
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A Switched-Capacitor RF Receiver Exploiting MOS Parametric Amplification to Reduce NF by Badiyari, Kamlesh, Nallam, Nagarjuna

“…Switched-capacitor (SC) radio frequency (RF) receivers based on N-path sampling mixers are near ideal software-defined radios with some of the most desirable…”
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A Frequency-and-Spatial Blocker Tolerant Butler Matrix based 4\times4 MIMO Receiver using a Switched-Capacitor Quadrature Coupler by Sharma, Prateek Kumar, Nallam, Nagarjuna

“…Recent advances in passive mixer-first receivers enhanced the frequency-blocker tolerance of radio-frequency (RF) receivers. These mixer-first receiver…”
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Systematic Generation of Flicker and Thermal Noise Canceling Circuits by Das, Indrajit, Nallam, Nagarjuna

“…A generic noise model is derived from the existing thermal noise canceling circuits and is used to generate two transistor circuits exploiting flicker and…”
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Linearity and NF Tradeoff in Input-Matched N-Path Mixer-First Receivers with Shunt-Feedback TIAs by Sharma, Prateek Kumar, Nallam, Nagarjuna

“…Previous works on the "analysis of passive mixer-first receivers" studied the effect of mixer switch non-idealities on the linearity and noise figure (NF) of…”
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An N-Path Band-Pass Filter with Parametric Gain-Boosting by Chatterjee, Shouri, Badiyari, Kamlesh, Nallam, Nagarjuna

“…This paper presents a gain-boosting technique for two-port N-path band-pass filters (BPFs) based on the principle of discrete-time parametric amplification in…”
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A CMOS Inverter-Like Class-D/E Power Amplifier with No RF-Choke and No Dead-Time Requirement by Singh, Gagan Deep, Nallam, Nagarjuna

“…This paper presents a CMOS inverter-like Class-D/E switching power amplifier (PA). The proposed amplifier operates in-between Class-E and Class-DE PAs. For…”
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A widely tunable balun based on 2-port N-path bandpass filters with embedded phase shifting by Sharma, Prateek Kumar, Nallam, Nagarjuna

“…This paper presents a widely tunable balanced-to-unbalanced (balun) bandpass filter (BPF). The proposed balun uses two 2-port N-path BPFs with embedded…”
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A transformer-less duplexer with out-of-band filtering for same-channel full-duplex radios by Sharma, Prateek Kumar, Nallam, Nagarjuna

“…This paper presents a transformer-less duplexer based on 2-port N-path bandpass filters (BPFs). The proposed duplexer consists of two quarter-wavelength…”
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A Low-Power Quadrature LC-Oscillator Using Core-and-Coupling Current-Reuse by B., Dinesh Kumar, Shrimali, Hitesh, Nallam, Nagarjuna

“…In this paper, a low-power quadrature LC-oscillator using the current-reuse technique is presented. In the proposed topology, both the core-and-coupling…”
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