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Understanding the Inner Workings of Vector Network Analyzers

Understanding the Inner Workings of Vector Network Analyzers

In this article, we explore how the signal source and receivers of a VNA enable its function.


Keysight Grows Its Line of Signal Source Analyzers to Cover Up to 54 GHz

Keysight Grows Its Line of Signal Source Analyzers to Cover Up to 54 GHz

The new lineup of products caters to engineers working on wireless communications and high-speed digital systems.


News Feb 05, 2024 by Jake Hertz
Understanding RF Power Measurement Errors in Directional Couplers

Understanding RF Power Measurement Errors in Directional Couplers

Directional couplers are valuable tools for testing RF systems. However, the finite directivity of these devices can cause measurement uncertainty. Learn more in this article.


Introduction to the Directional Coupler for RF Applications

Introduction to the Directional Coupler for RF Applications

As part of a vector network analyzer (VNA), a directional coupler enables us to characterize a device’s performance by its S-parameters. Read this article to learn more about this important piece of equipment.


Nokia and Rohde & Schwarz Win FCC Certification for Drone Network

Nokia and Rohde & Schwarz Win FCC Certification for Drone Network

Following successful collaboration with Rohde & Schwarz to secure FCC certification, Nokia Drone Networks has launched in North America.


News Jan 11, 2024 by Darshil Patel
Learn About Load-Pull Systems: Passive and Active Tuners

Learn About Load-Pull Systems: Passive and Active Tuners

In this article, we explore the types of impedance tuners most commonly used for load-pull measurement—their advantages, their disadvantages, and the methods by which they synthesize impedance.


Editor’s Choice: Our Top 7 Technical Articles of 2023

Editor’s Choice: Our Top 7 Technical Articles of 2023

As we look back on the year, let’s take a look at All About Circuits’ most popular and memorable technical content.


News Dec 26, 2023 by Dale Wilson
Tektronix Ups Responsiveness in New Mid-Range, Mixed-Signal Oscilloscope

Tektronix Ups Responsiveness in New Mid-Range, Mixed-Signal Oscilloscope

Tektronix's new 4 Series B mixed-signal oscilloscope fits the same measurement zone as the prior model but is more responsive because of a faster processor and custom ASIC.


News Dec 06, 2023 by Duane Benson
RECOM REM60-W Medical Grade DC-DC Converters | New Product Brief

RECOM REM60-W Medical Grade DC-DC Converters | New Product Brief

RECOM Power REM60-W Medical Grade DC-DC Converters are reliable and efficient power conversion devices delivering a stable 60W power output. Watch and learn all about their features, specs, applications, and more!


Siglent Launches New Flagship Digital Storage Oscilloscope

Siglent Launches New Flagship Digital Storage Oscilloscope

The new SDS7000A oscilloscope line from Siglent brings two model, the SDS7404A and SDS7304A, as its top offerings, with 4 GHz and 3 GHz bandwidths.


News Nov 27, 2023 by Duane Benson
I’m Thankful for These 6 EE Online Resources on All About Circuits

I’m Thankful for These 6 EE Online Resources on All About Circuits

On Thanksgiving today, Jeff reflects on how electronics technology enables all our amazing devices, and shares six useful All About Circuits online resources to be thankful for.


News Nov 23, 2023 by Jeff Child
Rohde & Schwarz Radiocommunications tester (100kHz -3GHz) | Tech Explainer

Rohde & Schwarz Radiocommunications tester (100kHz -3GHz) | Tech Explainer

The Rohde & Schwarz Radiocommunications tester (100kHz - 3GHz) is an all-in-one solution designed to simplify and expedite the essential process of radio qualification and testing for easy maintenance.


T&M Companies Release New Oscilloscopes for Dense Computing Designs

T&M Companies Release New Oscilloscopes for Dense Computing Designs

Three oscilloscopes from Keysight, Quantifi Photonics, and Rigol promise improvements to electronic testing and measurement.


News Nov 14, 2023 by Jake Hertz
Designing a Unilateral RF Amplifier for a Specified Gain

Designing a Unilateral RF Amplifier for a Specified Gain

Learn about the role of gain analysis in the design of unilateral RF amplifiers, first by reviewing the basic concepts and then by working through a pair of design examples.


Rohde & Schwarz Rolls Out 8-Channel, 4.5 M Acquisition/s Oscilloscope

Rohde & Schwarz Rolls Out 8-Channel, 4.5 M Acquisition/s Oscilloscope

With more channels than its predecessor, the MXO 5 series gives new insight into your circuit’s performance.


News Oct 31, 2023 by Aaron Carman
Unconditional Stability and Potential Instability in RF Amplifier Design

Unconditional Stability and Potential Instability in RF Amplifier Design

Stability analysis is an integral part of RF design. Learn the basics of stability analysis, including how to determine whether a device is unconditionally stable or potentially unstable.


ADC Linearity Testing: the Sinusoidal Histogram Method

ADC Linearity Testing: the Sinusoidal Histogram Method

This article explains how to use a histogram test with a sinusoidal input to determine analog-to-digital converter (ADC) parameters, along with the advantages of doing so.


Histogram ADC Testing: The Linear Ramp Histogram Test

Histogram ADC Testing: The Linear Ramp Histogram Test

Histogram testing is the most popular method for determining analog-to-digital converter (ADC) static parameters. In this article, learn the basics of histogram testing and the specifics of how to use a linear ramp histogram test.


Your 2023 Back-to-School Guide to All About Circuits’ Educational Resources

Your 2023 Back-to-School Guide to All About Circuits’ Educational Resources

Whether you are just starting your first year as an engineering student, working on a second or third degree, or simply want to brush up on key topics, All About Circuits has the resources you need: awesome textbooks, technical articles, calculators, and more for your EE studies.


News Oct 11, 2023 by Jeff Child
Servo-Loop ADC Testing: Choosing the Parameters

Servo-Loop ADC Testing: Choosing the Parameters

In this article, we’ll take a look at how servo-loop ADC test parameters can be chosen based on the noise level of the ADC and the desired measurement precision.