Jean-Jacques DeLisle

Jean-Jacques DeLisle
Technical Editor

Jean-Jacques graduated from the Rochester Institute of Technology, where he completed his Master of Science in Electrical Engineering. In his studies, Jean-Jacques focused on Control Systems Design, Mixed-Signal IC Design, and RF Design. His research focus was in smart-sensor platform design for RF connector applications for the telecommunications industry. During his research, Jean-Jacques developed a passion for the field of RF/microwaves and expanded his knowledge by doing R&D for the telecommunications industry. Journalism was always a passion of Jean-Jacques’ as well. He enjoyed writing for RIT’s university publication in addition to working on white papers, patents, and technical articles.

Jean-Jacques is excited to cover the latest trends in research, technology, and products. He is also determined to help engineers gain access to information services, which will aid in the design process while preventing many engineers from having to "reinvent the wheel"--a problem that is so common to the field.

Articles by Jean-Jacques DeLisle
MMIC PIN-Diode Limiters Operate to 20 GHz
PIN-diode limiters are a versatile RF component that can be configured for a wide range of performance specifications. Integrating PIN diodes into a MMIC eliminates the packaging parasitics and enables multiple order limiter structures capable of enhanced power handling.
Wireless Power Transfer Resonates to Extend Reach
From defense, medical, automotive, and commercial applications, long distance and highly efficient wireless power transfer has a lot to offer. Using resonant structures to boost the efficiency and range of wireless power could open the doors for wide industry adoption.
MIMO Antenna Covers Four Modern Bands
A research team from India proposes a multiple-band MIMO antenna that covers many modern telecommunication bands.
60-GHz IPIC-QVCO Reduces Phase Noise And Error
Researchers from Singapore have designed and tested a 65 nm CMOS quadrature PLL operating at 60 GHz using an IPIC-QVCO typology for reduced phase noise and phase error.
Metamaterials Enable Magnetic Superlens For WPT
Using the unique capabilities of magnetic metamaterials, a research group from Duke University has developed a range-enhancing superlens. This lens has the capability of improving the range and efficiency of wireless power transfer techniques.
NFC Prepares For Wide Adoption
NFC standards have been evolving to support a wide scope of industry interactions with end-users. Until the recent addition of NFC enabled smartphones, the adoption of technologies like contactless payments were slow. The boom of smartphones with NFC chips, NFC SD cards, and NFC SIM cards is opening the doors for a whole new world of wireless interactions.
DASs Bring Capacity Indoors, Outdoors, And Wherever You Need It
Distributed antenna systems are being incorporated into more buildings, stadiums, and public transit centers every year. Macrocell congestion and consumer-driven data demands are responsible for this proliferation. There are many different implementations of DAS technology, each with their own tradeoffs.
System-Level Modelers Race The Design Cycle
As system complexity increases, developing a system level model from a project’s start to finish may be the key to a more optimal design. Proper system modeling practices could even prevent costly rework and redesign by revealing design issues before implementation.
Millimeter-Wave Technology Prepares For A Wealth Of Applications
Millimeter wave technology benefits from a very narrow transmission beam width and high-bandwidth band allocations. On-chip antenna technology and MMIC integration could place millimeter wave technology at the forefront of the IoT and Big Data boom.
Interview: James Klein, Vice President of Infrastructure & Defense Products, TriQuint
With the merger of TriQuint and RFMD under way, James Klein provides a peek into the shared company’s goals and plans while highlighting the strengths and synergies that it will optimize.
RF MEMS Switches Deliver High Power In A Compact Package
An RF MEMS switch technology that maintains high power capability with low resistance and high reliability could help enable the integration of medium power range RF systems. A research group in California has demonstrated such a switch technology with SPST and SP4T variants.
Time-Slot Division Strategy Enables Efficient Simulation
Researchers in Portugal use a technique that may enable the time-efficient simulation of nonlinear heterogeneous RF circuits. Time-slot division with automatic switching between different simulation process algorithms could be the key to more efficient simulations.
4D Antennas Secure Wireless Communications
Using a time-modulation technique, a research group in China was able to develop a 4D antenna array. With high aliasing effects on the sidelobes of the antennas, radio eavesdropping becomes virtually impossible. This technique could potentially lead to highly secure and directionally modulated communications.
New Modulation Schemes Raise PIM
LTE-Advanced and WiGig standards are being rushed to reach consumers and support wireless backbone. These modulation standards could be sensitive to distortion producing components and infrastructure. With more DAS and small cell towers using these modulations, additional concerns when installing telecommunications systems may drive component PIM requirements higher.
LTE, WiFi, And WiGig Push Filter Capabilities
More wireless and telecommunications standards are flooding the spectrum with dense and high speed data channels. Advanced filters are necessary to prevent interference and maintain adequate signal integrity as interference increases.
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