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Test and Measurement

Low Cost Plastic MMIC VCOs

A new line of multifunction monolithic microwave integrated circuit VCOs is this month's cover feature
September 1, 2001
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...
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Network Analyzer Software for Simplified Bandpass Filter Tuning

Use of newly developed filter tuning application software to accurately tune coupled-resonator bandpass filters
September 1, 2001
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...
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Test Enables High Volume Manufacturing

Analysis of the impact of advanced test methods on the development of the mobile communications market
September 1, 2001
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...
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PLL Synthesizers: A Switching Speed Tutorial

Overview of switching speed as it relates to the design of phase locked loop synthesizers
September 1, 2001
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...
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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
September 1, 2001
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...
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Integrating System and Circuit Simulation Capabilities

Introduction to Microwave Office 2002, the most recent version of the popular design suite
August 1, 2001
PRODUCT FEATUREĀ  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...
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A New Spread-spectrum Measurement Method for Satellite Transponder In-orbit Testing

Introduction to a new measurement method for beginning-of-life and in-service testing of satellite transponders that utilizes spread-spectrum signals
August 1, 2001
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....
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A Broadband Vector Network Analyzer

A new high performance broadband vector network analyzer covering the 40 MHz to 110m GHz frequency range
July 1, 2001
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....
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Frequency Control in a Low Voltage, Wide Tuning VCO Design at 2.4 GHz

A low voltage and wide tuning range voltage controlled oscillator (VCO) at 2.4 GHz is developed for ISM applications. A design procedure with the parasitics of packaged devices considered is offered. A VCO with a 200 MHz tuning range for less than 2 V ...
July 1, 2001
TECHNICAL FEATURE Frequency Control in a Low Voltage, Wide Tuning VCO Design at 2.4 GHz A low voltage and wide tuning range voltage controlled oscillator (VCO) at 2.4 GHz is developed for ISM applications. A design procedure with the parasitics of packaged devices considered is offered. A VCO with...
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Low Phase Noise Voltage Tunable Oscillators

Introduction to a new line of fast tuning, low phase noise voltage tunable oscillators
June 1, 2001
PRODUCT FEATURE Low Phase Noise Voltage Tunable Oscillators Paratek Columbia, MD Driven by the VCO market's insatiable need for lower phase noise and wider tuning ranges, a new line of voltage tunable oscillators (VTO) has been introduced with superior performance in these areas. The new VTOs operate at fundamental...
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