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Matt Campbell

RF + Microwave

Have You Tried Turning Your House Off and On Again?

Matt Campbell 2021.01.18

When you call an HVAC technician these days, the first thing they might ask is, “have you tried turning it off and on again?” This morning, I woke up to an indoor temperature of 55 F (that’s 286 Kelvi

5 min read

#Internet of Things

RF + Microwave

Consider the Source Part 2: Direct Digital Synthesis

Matt Campbell 2021.01.14

In our last blog, we explored traditional vector network analyzer architecture. Now, let’s look at how network analyzers based on direct digital synthesis (DDS) provide an extra performance boost for

4 min read

#Network Analyzers #Measurement Fundamentals

RF + Microwave

Consider the Source Part 1: What is a Phase Locked Loop?

Matt Campbell 2020.12.08

In this two-part blog we’ll look at how network analyzers generate signals. The phase locked loop is the bread and butter of analog signal generation, and understanding how phase locked loops work is

5 min read

#Network Analyzers #Measurement Fundamentals

RF + Microwave

How to Measure Beamformer ICs

Matt Campbell 2020.06.22

Multi-band beamforming antennas play an increasing role in sorting our ever-growing wireless traffic. At the heart of these antennas, beamformer integrated circuits (ICs) drive multiple transmit/recei

4 min read

#Network Analyzers

Technical Insights

Four Numbers That Deserve Holidays Just as Much as Pi

Matt Campbell 2020.03.13

Every year we look forward to eating pie on pi day to celebrate the simple yet infinitely complex number we all know and love. This year’s pie excitement got me thinking about all the other important

6 min read

RF + Microwave

Network Analyzer Match-Up: E5071C vs E5080B

Matt Campbell 2020.02.11

Recently, Keysight introduced the E5080B ENA vector network analyzer. It’s easy to look at the specs and get lost in the numbers, but seeing a real-world example gives the numbers meaning. So, I ran a

5 min read

#Network Analyzers

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