White Papers
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The Complete Guide To Troubleshoot And Fine Tune Digital Predistortion
2/22/2022
Explore the digital pre-distortion (DPD) function for the ADRV9002 Dual Band RF Transceiver, debugging techniques, and tuning strategies to optimize the DPD algorithm with software tools.
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Low Phase Noise DAC-Based Frequency Synthesis For Fast Hopping Wideband Microwave Applications
2/22/2022
The excellent phase noise exhibited in ADI’s latest generation of high speed DACs enables size, weight, power/performance, and cost benefits in next-generation low phase noise, fast hopping agile RF/microwave synthesizers. To meet the most demanding phase noise system requirements, the suggested fixed clock implementation is a DRO locked using an analog PLL.
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Radio Architecture Matters: A Review Of RF Sampling Vs. Zero-IF
1/19/2022
The growing demand for wireless services not only challenges our limited spectral resources, it also challenges the radio designer to select the correct radio architecture. This article will examine two common radio architectures and learn how each solves the unique challenge of growing co-location issues.
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Technological Solutions To Overcoming Hurdles In UAV/UAS Market
11/22/2021
Over the last decade, unmanned aerial vehicles and systems (UAVs/UASes)—also referred to as drones—have become widely popular and gained significant interest in commercial, consumer, and government markets. As these technologies are evaluated, radar performance, and versatility should be among key criterions, factoring more than just the cost of the hardware.
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5G Technology Devices For An O-RAN Wireless Solution
11/22/2021
O-RAN was created as a catalyst to transform the wireless community, to enable new channels of wireless equipment, and to enable innovation to fulfill the promises made by 3GPP about 5G.1 To be successful and cost-effective, open sources of radio equipment and optimized 5G technology devices must be available.
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Clock Skew In Large Multi-GHz Clock Trees
10/18/2021
This article identifies several areas of concern in the design process, manufacturing process, and application environment that can cause clock skews of 1 ps or more. With regards to these areas of concern, several recommendations, examples, and rules of thumb will be provided to help the reader gain an intuitive feel for the root cause and magnitude of clock skew errors.
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Why Millimeter Wave Requires A Different Approach To DPD, How To Quantify Value
9/15/2021
The purpose of this article is to draw a comparison between a traditional sub-6 GHz macrocellular and a mmWave base station radio and antenna design. It further covers how these design differences impact DPD implementation in mmWave arrays relative to sub-6 GHz radios.
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Transceiver Phase Noise Teardown Informs Performance Capability With An External LO
8/9/2021
Software-defined radios are one of the leading topics in the industry today. The software-defined radio’s performance capability has been fueled by the release of radio frequency (RF) transceivers offering complete radio solutions in monolithic integrated circuits (ICs).
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Why A Fully Integrated Translation Loop Device Achieves The Best Phase Noise Performance
8/9/2021
At extremely high frequencies, consumers can enjoy wider bandwidths without the fear of overcrowding the spectrum. However, as the frequencies increase, the instrumentation solutions targeting these devices and frequencies can become extremely complex.
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How Error Vector Magnitude (EVM) Measurement Improves Your System-Level Performance
8/9/2021
Error vector magnitude (EVM) is a popular system-level performance metric that is defined in many communication standards, such as wireless local area networks (WLAN 802.11), mobile communications (4G LTE, 5G), and many more, as a compliance test.