LimeSDR Made Simple Part 9: It’s a VNA Too

Welcome to the ninth episode in the LimeSDR Made Simple series. Since the first we’ve been gradually adding more tools to the SDR toolbox and if you have followed the series along, by now the operation of the LimeSDR should be well and truly demystified. Last time we looked at C code and how to…

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LimeSDR Hacker Case

LimeSDR Made Simple Part 8: C Examples and SoapySDR API

Welcome to the eighth instalment of the LimeSDR Made Simple series. Very early on in episode 1, we promised to work from SDR novice to API programming examples in small, bite sized chunks. Having done many of those steps it’s now time to take the final one and start programming. For those who have read…

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LimeSDR Made Simple Part 7: More Than One Way – Continued

Receiving and transmitting ASK/OOK signals in GNU Radio Welcome to the seventh instalment of LimeSDR Made Simple. In this post we pick up where we left off in the previous, trying to mimic the simplest of radio devices. In the last instalment we got to a point where we could receive the bit stream, but…

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LimeSDR Made Simple Part 6: More Than One Way…

Receiving ASK/OOK signals in Pothos and GNU Radio. Welcome to the sixth instalment of LimeSDR Made Simple. Last time we looked at transmitting and receiving ASK (amplitude shift keying) signals in Octave. However, we mostly glossed over the modulation and techniques involved. In the next post(s) we will look at both receiving and transmitting single…

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LimeSDR Made Simple Part 5: Putting Software in SDR

This is the fifth instalment of LimeSDR Made Simple and in the last we explored the software side of the software-defined radio, using the relatively simple to use dataflow programming environment, Pothos. Quite a break from the previous articles where we went into detail of the input stages of the LimeSDR. This time we will…

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LimeSDR Made Simple Part 4: to Pothos and Beyond

It’s time again for another bite sized chunk of LimeSDR. This is the fourth post in the series and while this will be our second practical exercise, it does build upon the whole series and so if you have not read the first three articles, you are advised to take a look now (Part 1…

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LimeSDR Made Simple Part 3: A Practical Example

This is the third in a series of posts that aims to make the LimeSDR platform a little more approachable. Again we will build upon previous examples and if you missed the last in the series it is available here. Last time we looked at the RX stage in detail with the aim of understanding…

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LimeSDR Made Simple Part 2: matching, LMS7002M RX & I/Q

This is the second in a series of posts on the LimeSDR platform, that aim to demystify using SDR in the real world and programming a simple example with confidence, through bite sized chunks. Last time we explored what the LimeSDR is and what it can achieve. In this article we will look into the LMS7002M…

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LimeSDR Made Simple Part 1: Introduction

This is the first in a series of posts on the LimeSDR platform, that aim to demystify using SDR in the real world and programming a simple example with confidence, through bite sized chunks. What is SDR? Most that have found this article will already know the answer and to use an analogy, while a…

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