Theoretical Models

Theoretical Models If your concerned that this article will contain math and your head might explode, rest assured there isn’t a single formula to be found in this article. This article is simply to serve as a reminder of the potential traps that we can all fall into when we get too comfortable with theoretical […]

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Staging your Network Upgrades

Introduction As network services continue to evolve and users demand faster and more reliable networks, operators are left in what seems to be a never-ending upgrade cycle.  The key to a successful migration is having a detailed plan. A detailed plan starts with inventory.  Once you know what you have you need to determine its […]

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RF Signal Source – Part 1 (Introduction)

RF Source Introduction In the “Building our Own Measurement  Tools” series, you may have noticed that the title implied multiple tools.  In a future series, we are going to cover the other half of the equation.  The RF source. In this article, we will briefly cover the RF Source prototype we built. The first prototype […]

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RF Power Meter – Part 5 (Mobile Application)

Mobile Power Meter Application So in this article, we’re going to switch from the power meter itself to the mobile application that serves as the remote display.   The power meter application is a cross-platform application for Android, IOS, MacOS, and Windows.  The application starts up by searching for any and all power meters that are […]

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RF Power Meter – Part 4 (Calibration)

Background Welcome to Part 4 in the RF Power meter series. This week it’s all about calibration. In the original design of the RF Power Meter, I had planned on using slope and intercept values from the datasheet to calculate the displayed RF level.  The approach was simple to implement, however, the slope of the […]

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RF Power Meter – Part 2 (Hardware)

Hardware Description and Schematics The RF Power meter is made up of the Linear Technologies LT5538 Power Detector and the Nordic Semiconductor nRF51822 Bluetooth SOC module. Linear Technologies LT5538 The Nordic Semiconductor nRF51822 SOC module or more affectionately the RFduino RFD22301 is used as the microcontroller and Bluetooth LE module. The RF power detector module […]

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RF Power Meter- Part 1 (Introduction)

Introduction This is a multi-part series on the RF power meter we developed for insertion loss testing.  While this series of articles is not going to cover all aspects of the project, we’ll start with the why.  In future articles, we’ll cover the hardware, schematics, battery options, Bluetooth contamination of measurements, calibration and mobile software. […]

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