Jayanta Mukherjee

Bio: Jayanta Mukherjee is an academic researcher from Indian Institute of Technology Bombay. The author has contributed to research in topics: Antenna (radio) & Dipole antenna. The author has an hindex of 20, co-authored 154 publications receiving 1351 citations. Previous affiliations of Jayanta Mukherjee include Indian Institutes of Technology & Ohio State University.

Phase Noise reduction in Quadrature LC oscillators using inverter-based tail noise shaping

Abstract: A technique to reduce the Phase Noise of a Quadrature Differential Oscillator is described. The technique uses inverters to shape the tail noise of differential oscillators. In this approach an inverter is used to increase the “squareness” of the switching signal from the differential output and thereby improve the switching speed. Simulations are done to obtain the results to verify the new technique. The simulation tool used is Eldo RF in Mentor Graphics and the technology used is UMC 0.18 um process.

Performance analysis of CMOS Mode Locked class E Power Amplifier

Abstract: The design of Class E Amplifiers is more difficult than other type of amplifiers as it is imposed by time domain constraints. This paper presents the performance analysis of Mode Locked class E Power Amplifiers using State Space Analysis Algorithm. A technique is introduced which is used to curb the negative effect of parasitic resistance of DC Feed Choke and the Power Amplifier operates at 2.4GHz and simulated with a 0.18µm CMOS process at a supply voltage of 2V.

Offset-Meandering Line Fed-Patch Periodic-Leaky Wave Antenna for Scanning through Broadside and Consistent Gain

Abstract: In this work, a meandering line fed-patch periodic-leaky wave antenna (P-LWA) is designed to achieve broadside beam scanning and consistent gain response. The meandering line is provided a vertical offset (s) away from the longitudinal axis of the unit cell (UC). The combine effect of meandering in the feeding line and its offset acts as a self matching network that enables open stop-band (OSB) elimination at broadside. Consequently, there is no extra matching circuit used in the unit cell which facilitates easy analysis and optimization. The optimized broadside frequency (fB) for the P-LWA is 7.7 GHz. To verify the proposed concept, a prototype of the proposed P-LWA is fabricated and measured. The measured value of impedance bandwidth and maximum realized gain are 36% and 15.4 dBi, respectively.

A novel EBG power plane structure for suppressing SSN in high speed systems

Abstract: A novel uniplanar electromagnetic band-gap structure to maintain power integrity by suppressing simultaneous switching noise is presented. The proposed EBG structure is having stop-band from 600 MHz to 5.3 GHz and can be used as power plane in high speed systems for minimizing the power noise. Suppression of resonant cavity modes of power plane by EBG structure is shown. Simulation results are verified by measurements and compared with the earlier published structures.

Design of multi-band antenna using zeroth order resonator loaded with SRR and modified ground plane

Abstract: A compact multi-band antenna using a zeroth order resonator (ZOR) loaded with a split ring resonator (SRR) and modified ground plane is proposed in this paper. The antenna resonates at 2.8 GHz, 4.3 GHz and 5.8 GHz. The antenna has a compact size of only 28.3 × 24 × 1.524 mm3. The ZOR antenna resonates at 2.8 GHz and the loading of SRR on the back side of the antenna produces the resonance at 4.3 GHz without affecting the ZOR mode. The modified ground plane provides an additional band at 5.8 GHz. The proposed antenna is simulated, fabricated and tested. The measured −10 dB impedance band width of 300 MHz, 350 MHz and 450 MHz is observed in the respective bands. Omni-directional radiation patterns are obtained at all the three bands.

Design Of Analog Cmos Integrated Circuits

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Response to FCC 98-208 notice of inquiry in the matter of revision of part 15 of the commission's rules regarding ultra-wideband transmission systems

Abstract: In general, Micropower Impulse Radar (MIR) depends on Ultra-Wideband (UWB) transmission systems. UWB technology can supply innovative new systems and products that have an obvious value for radar and communications uses. Important applications include bridge-deck inspection systems, ground penetrating radar, mine detection, and precise distance resolution for such things as liquid level measurement. Most of these UWB inspection and measurement methods have some unique qualities, which need to be pursued. Therefore, in considering changes to Part 15 the FCC needs to take into account the unique features of UWB technology. MIR is applicable to two general types of UWB systems: radar systems and communications systems. Currently LLNL and its licensees are focusing on radar or radar type systems. LLNL is evaluating MIR for specialized communication systems. MIR is a relatively low power technology. Therefore, MIR systems seem to have a low potential for causing harmful interference to other users of the spectrum since the transmitted signal is spread over a wide bandwidth, which results in a relatively low spectral power density.

Gain enhancement methods for printed circuit antennas

Abstract: Resonance conditions for a substrate-superstrate printed antenna geometry which allow for large antenna gain are presented. Asymptotic formulas for gain, beamwidth, and bandwidth are given, and the bandwidth limitation of the method is discussed. The method is extended to produce narrow patterns about the horizon, and directive patterns at two different angles.

Design Of Integrated Circuits For Optical Communications

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The Design of CMOS Radio-Frequency Integrated Circuits: RF CIRCUITS THROUGH THE AGES

Abstract: This expanded and thoroughly revised edition of Thomas H. Lee's acclaimed guide to the design of gigahertz RF integrated circuits features a completely new chapter on the principles of wireless systems. The chapters on low-noise amplifiers, oscillators and phase noise have been significantly expanded as well. The chapter on architectures now contains several examples of complete chip designs that bring together all the various theoretical and practical elements involved in producing a prototype chip. First Edition Hb (1998): 0-521-63061-4 First Edition Pb (1998); 0-521-63922-0