Application Notes
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Fast Switching, High Performance PLL And Quadband VCO Frequency Synthesizer
8/22/2022
PLLs are used to generate RF and IF signals from less than 1 MHz to tens of GHz and higher. Application requirements vary widely, and PLL design and optimization involves trading off parameters such as power consumption, phase noise, frequency tuning range, frequency resolution, and lock time.
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USB Powered 5.8 GHz RF LNA Receiver with Output Power Protection
4/19/2022
The 5.8 GHz band is preferred for short range digital communication applications because of the number of channels and the bandwidth available. This design provides high gain, robust overpower monitoring, and protection all in a small footprint.
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How To Make A Digital Predistortion Solution Practical And Relevant
11/22/2021
According to much of the promotional material for digital predistortion (DPD), its performance is based on static quantitative data. The demands of 5G NR continue to push application requirements. This, coupled with the desire for higher PA efficiencies, compounds the challenge of DPD algorithm development.
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Meeting Biasing Requirements Of Externally Biased RF/Microwave Amplifiers
10/18/2021
Radio frequency (RF) and microwave amplifiers provide their best performance under specific bias conditions. The quiescent current established by the bias point affects critical performance metrics such as linearity and efficiency. While some amplifiers are self biased, many devices require external biasing using multiple supplies that must be sequenced properly for safe operation.
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A Comprehensive Way To Use Bonding For Low Noise Amplifier Performance
9/15/2021
Is RF engineering a form of black magic? This article analyzes the challenges faced in the development of ADH519S, an 18 GHz to 31 GHz low noise amplifier (LNA), for the aerospace market.
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Next-Generation Military Communications Challenges
9/15/2021
Military communications (MILCOM) have been the backbone for deployed soldiers since the Vietnam War. While these units have proven their capability and security for decades, the next generation of MILCOM platforms will need to leverage more modern communication technologies.
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Wideband Integrated Upconverters, Downconverters Boost Microwave Radio Performance While Reducing Size
7/16/2021
Analog Devices launched a pair of highly integrated microwave upconverter and downconverter chips, the ADMV1013 and the ADMV1014, respectively. These ICs operate over a very wide frequency range with 50 Ω match from 24 GHz up to 44 GHz and can support more than 1 GHz instantaneous bandwidth.
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Small Form Factor SATCOM Solutions
6/21/2021
Traditional ground station satellite communication systems in the Ka-band have relied on an indoor to outdoor configuration. The outdoor unit includes the antenna and a block down conversion receiver that outputs an analog signal in the L-band.
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The Changing Landscape Of Frequency Mixing Components
5/10/2021
In RF and microwave designs, frequency mixing is one of the most critical sections of the signal chain. Depending on the type of application and end market, designers today have very different needs.
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Simple And Affordable RMS Power Meter That Operates From 100 MHz-40 GHz
5/10/2021
To precisely and accurately measure the RF power of signals with varying crest factors, RMS-responding RF power meters are widely used in test and measurement applications.