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Additive Measurements

Phase noise measurements fall under two categories: absolute and residual (additive). Where absolute phase noise measurements are typical of oscillators and and other frequency sources, residual phase noise measurements are…

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Coherent Multi-channel RF Synthesis

ABSTRACT: Holzworth Instrumentation is a provider of high-performance, multi-channel RF Synthesizers that are known for ultra low phase noise performance. In addition, these non-PLL based synthesizers have unique phase characteristics,…

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EMC Testing and Amplifier Selection

AUTHORS: Maury Microwave ABSTRACT: Electromagnetic Compatibility (EMC) testing ensures that electronic devices operate as intended within their electromagnetic environment without causing or experiencing interference. A critical component of EMC…

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External LO Mode

Holzworth Phase Noise analyzers offer a valuable External LO Mode feature. The External LO Mode function allows the user to connect two non-coherent frequency sources to the system to generate…

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Handy Microwave Equations

AUTHORS: Maury Microwave Corporation – Engineering Department PUBLICATION HISTORY: First published in January 1999. ABSTRACT: A convenient reference sheet of equations commonly used in various microwave engineering applications. Equations…

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Noise Basics

ABSTRACT: All materials produce noise at a power level proportional to the physical temperature of the material. The noise is generated by random vibrations of conducting electrons and holes in…

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Noise-Injection Radiometers

ABSTRACT: The radiometer is a sensitive, accurate, calibrated receiver that is used for remote measurement of temperature. An object emits white noise in an amount proportional to its temperature. If…

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Phase Coherency

Holzworth's proprietary non-PLL based RF synthesis architectures offer many unique performance advantages over more traditional PLL based synthesizer designs. One of the many important performance advantages is known as Phase…

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Phase Coherent Multi-Channel RF Synthesis

ABSTRACT: Multi-channel synthesis applications require specific performance parameters that are often overlooked with the design of single channel synthesizer systems. Performance specifications for multi-channel synthesis applications typically require channel to…

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Remove Trigger Jitter

The HX2410 was originally a oversized black box on a Holzworth test bench. It was designed and used by Holzworth engineering to observe the true channel-to-channel phase coherency performance (relative ch-ch stability)…

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Tuner Repeatability: Fact and Fiction

AUTHORS: Maury Microwave Corporation – Engineering Department PUBLICATION HISTORY: First published in June 1999. ABSTRACT: Defines repeatability and discusses the repeatability specifications role in, determining how accurately and reliably…

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VSWR vs. Return Loss

AUTHORS: Maury Microwave Corporation – Engineering Department PUBLICATION HISTORY: First published in July 1997. ABSTRACT: A two-page table that shows return loss associated with various VSWR values. …

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