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Sagar
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Sagar's posts

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Fix: Unable to open some websites on ADSL internet connection
Unable to open some websites on your ADSL internet connection? I came across this problem when I couldn't open  irctc.co.in  on my BSNL internet connection. This post explains why some websites fail to load on ADSL connections and how to work around the pro...

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Code with syntax highlighting in Blogger
So far, I've been using the  Courier monospace font to include code in my posts on Blogger. Jekyll has better support for syntax highlighting  and a static site with Github pages is the "in thing" these days. Let's see how well  Prettify  works with Blogger...

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On building portable linux binaries
One of the annoying things about Linux is how hard it is to build binaries that work on all reasonably recent distributions of the operating system. Dynamic linking is favored in Linux for a number of reasons. But it puts the burden on the user to make sure...

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NTSC demystified - Color demo with simplified progressive and interlace scanning - Part 7
This final post in the NTSC Demystified series demonstrates some of the techniques described in the previous parts. We're going to get Atmega16, an 8-bit microcontroller, to generate color NTSC video signals without using an NTSC color encoder chip like AD7...

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NTSC demystified - Color demo with simplified progressive and interlace scanning - Part 7
This final post in the NTSC Demystified series demonstrates some of the techniques described in the previous parts. We're going to get Atmega16, an 8-bit microcontroller, to generate color NTSC video signals without using an NTSC color encoder chip like AD7...

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NTSC demystified - Demo - Part 7
This final post in the NTSC Demystified series demonstrates some of the techniques described in the previous parts. We're going to get Atmega16, an 8-bit microcontroller, to generate color NTSC video signals! If you don't have an idea about the NTSC video s...

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Flat Hacker News
Threaded conversations in Hacker News  (HN) can be a pain at times. It's easy to lose context as you scroll down a long discussion. Jeff Atwood has discussed numerous issues with threaded discussions and suggests limiting the level of replies allowed. So, H...

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On Signal to Noise Ratio (SNR)
A large part of circuit design is about making trade-offs between speed, cost, power consumption and so on while meeting some design specification that can often be traced to Signal to Noise ratio (SNR). Yet, possibly for pedagogical reasons, SNR is often u...

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On Signal to Noise Ratio (SNR)
A large part of circuit design is about making trade-offs between speed, cost, power consumption and so on while meeting some design specification that can often be traced to Signal to Noise ratio (SNR). Yet, possibly for pedagogical reasons, SNR is often u...

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Interpreting the fourier transform
A friend of mine, who is a designer, asked me how the fourier transform is interpreted. I'm turning my answer into a blog post in the hope that this might help non EE/math people in dealing with real-world signals. Lets begin with a sampled signal. Suppose ...
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