Archives for 2009

FA-SDR-TRX part #3 – the Transmitter


In the third article we will have a deeper look into the TX path of the FA-SDR-TRX. All components will be discussed, including the optional 1 Watt amplifier.

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FA-SDR-TRX part #2 – The Receiver

FA-SDR-TRX-Software-Defined-Radio-PCBAfter a systems view on the FA-SDR-TRX, it’s time to go into more detail. This post is dedicated to FA-SDR-TRX’s receiver.

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FA-SDR-TRX part #1 – Systems View

FA-SDR-TRX-Software-Defined-Radio-PCBThe FA-SDR-TRX is an allband low cost software defined radio. The FA-SDR-TRX was created by Harald DL2EWN an described in an article series in the German Ham Radio Magazine Funkamateur. After the big success of the single band kits like Softrock, SDR4080 or Genesis, the FA-SDR-TRX is the next step in the evolution of SDR kits. Thanks to the support of Harald I’m able to provide a detailed description of the concept behind FA-SDR-TRX.

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My (bad) experiences with

Audible Problems I’m a fan of Audio Products. I’m daily listening to Music and Podcasts produced by both, amateurs and professionals. In preparation of the upcoming vacations, I decided to finally make a step out of the Itunes store and to signup for an account.

24 Hours later I’m deeply disappointed up and I just canceled my membership.

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Google Wave Invitations to give away

Google Wave LogoI have to give away 8 Google Wave invitations!

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Podcast on HPSDR Software Defined Radio

Software_Defined_Radio-PodcastDo you know what Mercury, Penelope and Pandora have in common? Yes, they are important characters in greek mythology. But did you know that there is also a Software Defined Radio Project with components called like this? The High Performance Software Defined Radio (HPSDR) project is currently the most sophisticated SDR project, lead by the Amateur Radio community. Yesterday, I stumbled upon the HPSDR Podcast! [Read more…]

News: First pictures of FA-SDR-TRX

Hot Topic: FA-SDR-TRX Software Defined Radio pictureShort, but interesting news: I have the pleasure to show you some exclusive pictures of the FA-SDR-TRX prototype!

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Useful Utility: Scroll partially hidden windows

KatMouse a true SwissknifeI’m a fan of Microsoft’s Windows, but I must admit that in some cases, Linux and MacOS outperform good old Windows. In Linux (Gnome) and MacOS I enjoy the freedom to scroll in partially hidden windows without having to click on them. I was missing this possibility for a very long time on my windows based computers. Recently I stumbled upon a free software tool which finally solves this problem. Katmouse is a tiny application which allows you to scroll in windows without having to click on them. This Video reviews the software and illustrates its advantages!

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My personal data backup strategy

Backup Strategy with Drobo & DroboShare

Have you ever heard about Drobo? Drobo is a Network Attached Storage (NAS) from the Silicon Valley based startup Data Robotics. Last week I implemented a Drobo in my backup strategy. With this step I finally added a significant level of data safety to my IT system.

In a previous article, I presented the principals and best practices to create an individual data backup strategy. In this article I will describe my individual backup and data storage strategy and discuss the advantages and weaknesses

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How to create a data Backup Strategy

Backup StrategyHave you ever lost pictures, logbooks or the source code you have worked so hard on during the last few nights? Then you have already experienced how painful the loss of data can be. If you want to avoid this unpleasant experience, it’s definitely the right moment to think about a data backup strategy. I’ll split up this topic in two separated posts. In this post I would like to present you the most important factors you need to consider when defining a backup strategy. In the second post I’ll present you my backup strategy and how I implemented it.

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