advertisment Advertisement
This ad will close in  seconds. Skip now
advertisment Advertisement
advertisment Advertisement
advertisment Advertisement
advertisment Advertisement

Software & CAD

Design of a Novel Vector Modulator

Introduction to a vector modulator that controls magnitude and phase of an input signal
Technical Feature Design of a Novel Vector Modulator A vector modulator that controls magnitude and phase of an input signal is proposed in this article. The previous magnitude and phase-controlling circuits, composed of an attenuator and a phase shifter, permit phase and gain cross-coupling. The proposed modulator, which is...
Read More

Network Analyzer Software for Simplified Bandpass Filter Tuning

Use of newly developed filter tuning application software to accurately tune coupled-resonator bandpass filters
Product Feature Network Analyzer Software for Simplified Bandpass Filter Tuning Agilent Technologies Inc. Santa Rosa, CA Tuning the multiple poles and zeros of a coupled-resonator bandpass filter is generally labor-intensive and time-consuming. Often performed by a company's most experienced technicians armed with a vector network analyzer, such tuning requires...
Read More

Advanced RF Technologies for the Wireless Market

Detailed overview of the different architectures available for transceiver ICs with greater emphasis on near-zero IF configuration
Technical Feature Advanced RF Technologies for the Wireless Market Yvan Droinet Philips Semiconductors Caen, France Most products in the wireless world require more and more miniaturization. This incentive leads integrated circuit designers to develop innovative architectures with higher and higher integration levels. On the one hand, there is a...
Read More

A Simple VVA RFIC Design with a Focus on Repeatability and Stability

Description of an FET-based voltage variable attenuator, its characteristics, design trade-offs and common topologies
Technical Feature A Simple VVA RFIC Design with a Focus on Repeatability and Stability A novel voltage variable attenuator (VVA) integrated circuit reduces the sensitivity of the transfer curves to temperature and process variations. The new solution is achieved without compromising the simplicity of a single positive voltage control...
Read More

Research@mwjournal.com

Comprehensive overview of microwave technology research projects currently being investigated by European academic institutions and commercial organizations
European Supplement Research@mwjournal.com Richard Mumford Microwave Journal European Editor A commitment to well funded, focused, commercially viable research is critical to the future prosperity of the microwave industry. In this special report Microwave Journal takes a snapshot of the research projects being investigated by academic and commercial establishments across...
Read More

Design and Prototyping of a Transimpedance Front-end Amplifier for Dense Wavelength Division Multiplexing Circuits

Development of an optical power monitor for use in dense wavelength division multiplexing circuits using a logarithmic operational amplifier transimpedance front-end amplifier
Technical Note Design and Prototyping of a Transimpedance Front-end Amplifier for Dense Wavelength Division Multiplexing Circuits As part of the development of an optical power monitor for use in dense wavelength division multiplexing (DWDM) circuits, the effectiveness of a logarithmic operational amplifier transimpedance front-end amplifier was investigated, and the...
Read More

Fast Design of Cross-coupled Filter Substructures

Demostration of how three-dimensional electromagnetic analysis can speed up the realization process of cascaded tri-section bandpass filters
Application Note Fast Design of Cross-coupled Filter Substructures Cross-coupled narrow bandpass filters with asymmetric transmission zeros can be realized in cascaded tri-section topology.1,2,3 Each tri-section creates a single transmission zero below or above the passband. The realization of resonator tri-sections is relatively difficult due to the interaction between the...
Read More

PLL Synthesizers: A Switching Speed Tutorial

Overview of switching speed as it relates to the design of phase locked loop synthesizers
Tutorial PLL Synthesizers: A Switching Speed Tutorial Bar-Giora Goldberg Peregrine Semiconductor Corp. San Diego, CA The phase noise and noise floor of signals is a fundamental property and a constant challenge in the design of radio and wireless networks. Traditionally, phase noise has been the main concern of phase...
Read More

Integrating System and Circuit Simulation Capabilities

Introduction to Microwave Office 2002, the most recent version of the popular design suite
PRODUCT FEATURE  Integrating System and Circuit Simulation Capabilities Applied Wave Research Inc. (AWR) El Segundo, CA Version 5.0 of Microwave Office Design Suite will begin shipping in the fourth quarter of this year. The new release, called Microwave Office 2002, includes integrated system simulation capabilities that close the gap...
Read More

Exploring a Three-dimensional Universe

A new three dimensional electromagnetic field simulation software package is featured on this month's cover
COVER FEATURE Exploring a Three-dimensional Universe CST of America Inc. Wellesley, MA Engineers are branching out. Gone are the days when 3D electromagnetic fields belonged to the specialized domain of antenna and cavity filter designers. Today's higher frequencies and the compact nature of designs are forcing engineers to take...
Read More

Sign-In

Forgot your password?

No Account? Sign Up!

Get access to premium content and e-newsletters by registering on the web site.  You can also subscribe to Microwave Journal magazine.

Sign-Up

advertisment Advertisement