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As the demand for higher frequencies and data rates and more accurate measurement capabilities increase, achieving ultra-low clock jitter for ADC and DAC converters becomes a critical specification. This paper illustrates how a high-quality crystal oscillator paired with a high-performance PLL/VCO enables small form factor, high-performance <30 fs clocks.
This white paper presents some of the key research, development, test and evaluation (RDT&E) challenges that arise when developing and deploying systems that need to operate in congested and/or contested RF environments.
The Cables & Connectors Special Focus section from the March Test & Measurement issue has been made into this eBook with articles covering the RF SMP board to board connector market review and RF interconnect requirements for high performance quantum computing technologies. There are also product feature articles and a new products section with the latest solutions for high frequency applications.
In this tech brief, ERZIA reviews the main technical points that make a COTS Microwave Modular Amplifier suitable for NewSpace missions, and takes a closer look at the changes or modifications that might be recommended, depending on the type of mission. ERZIA also includes a summary of their COTS used in NewSpace missions.
Noise sources used for noise figure and gain measurements are typically controlled by the spectrum analyzer or noise figure meter instruments and are calibrated with their ENR value (Excess noise ratio). This application note describes a technique to perform a calibrated noise power measurement (P_hot) with spectrum analyzers and noise sources.
The adoption of active electronically scanned antennas (AESAs) for satellite communication (satcom) has offered greater flexibility for operators and consumers. This article will review the design considerations when choosing antenna frontend (FE) components (low noise amplifiers and power amplifiers) for use in these beamforming arrays.
The DoD is adapting commercial 5G technology to meet tactical communications needs in terrestrial and non-terrestrial networks. This paper covers current 5G technologies and standards, demonstrates the importance of testing throughout the development process and offers a comparison of different use cases and test solutions.
This white paper describes the lifecycle of a modern mobile device, which includes identification of target requirements and goals, real-estate planning of components, design, prototype development, testing of the device at various stages, and commercial launch.
Demands upon satellite Telemetry, Tracking, and Control (TT&C) are increasing rapidly. New solutions are required to handle the anticipated increase of on-orbit traffic as well as the expanding data throughputs of space-borne infrastructure. This summary details some of the trends driving change along with technologies emerging to advance TT&C design.
This eBook covers several design trends and technologies with high linearity devices ranging from switching to power amplifiers to complete systems. The first two articles cover new RF SOI device technologies addressing 5G MIMO and mMIMO systems. The next article looks at what the perfect HF receiver look like today - one that combines all available technologies into the most modern concept of a software-defined receiver. The next article covers Improving Linearity of a Doherty Power Amplifier with a Dual-Bias Structure. The article after that continues to cover integrated PA topologies for 5G mMIMO. 5G NR RF front end design engineers can benefit from understanding these trends and aspects of the new RF hardware and technologies needed to address the new challenges of 5G, so the next article covers these aspects. Finally, the capabilities and impact of new SOI tunable filter ICs on the design of the RF chains of phased arrays are discussed.
