Test and Measurement Channel

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Technical Feature Design of a Low Phase Noise Ku-band Oscillator Using a SiGe HBT Myrianne Regis, Hugues Lafontaine and Steve Kovacic SiGe Semiconductor Ottawa, ON, Canada Gilles Cibiel and Olivier Llopis LAAS-CNRS Toulouse, France In the past decade, the demand for microwave, millimeter-wave and wireless communication systems has rapidly...

Product Feature 220 to 325 GHz Vector Network Analysis Oleson Microwave Labs (OML) Morgan Hill, CA A new pair of vector network analyzer (VNA) frequency extension modules, covering 220 to 325 GHz, is being introduced along with a precision waveguide calibration kit. The models V03VNA-T/R and V03VNA-T are compatible...

Cover Feature Low Cost Plastic MMIC VCOs Hittite Microwave Corp. Chelmsford, MA Fig. 1 Ku-band VCO on an evaluation PCB. A breakthrough in monolithic microwave integrated circuit (MMIC) design and manufacturing technology has occurred with the introduction of a new multifunction VCO product line. The new VCO's phase noise...

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...

Special Report Test Enables High Volume Manufacturing Ernest Rejman Contributing Editor Fig. 1 A concept of a device capable of uploading and downloading data and video, and offering voice communications. Source: Nokia. A nightmare looms on the horizon for test manufacturers as well as their end-users, the device and...

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...

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...

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...

A New Spread-spectrum Measurement Method for Satellite Transponder In-orbit Testing This article introduces a new measurement method for beginning-of-life and in-service testing of satellite transponders that utilizes spread-spectrum signals. The basics of this new method, which permit measurement of amplitude and group delay of a transponder channel, are presented....

ON THE COVER A Broadband Vector Network Analyzer Microwave Measurements Division, Anritsu Company Morgan Hill, CA A new high performance, broadband measurement solution is being introduced. The model ME7808A broadband vector network analyzer (VNA) covers the 40 MHz to 110 GHz frequency range in a single high speed sweep....