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  2. LTspice - Wikipedia

    en.wikipedia.org/wiki/LTspice

    LTspice waveform viewer plot settings are stored as an ASCII text file with a filename extension of "plt". [30] If this optional plot file is present, then all plot planes will automatically be displayed after the "Run" button is pressed, otherwise the user will need to click on each net to see the waveform(s).

  3. Digital current loop interface - Wikipedia

    en.wikipedia.org/wiki/Digital_current_loop_interface

    A digital current loop uses the absence of current for high (space or break), and the presence of current in the loop for low (mark). [1] This is done to ensure that on normal conditions there is always current flowing and in the event of a line being cut the flow stops indefinitely, immediately raising the alarm of the event usually as the heavy noise of the teleprinter not being synchronized ...

  4. Comparison of computer-aided design software - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_computer...

    The table below provides an overview of notable computer-aided design (CAD) software. It does not judge power, ease of use, or other user-experience aspects. The table does not include software that is still in development (beta software).

  5. MAX232 - Wikipedia

    en.wikipedia.org/wiki/MAX232

    MAX232 chip in DIP-16 package The die of a MAX232 MAX232 pinout: Red: power, Yellow: charge pump capacitors, Blue: outputs, Green: inputs, Pins 9–12: TTL/CMOS I/O voltages. The MAX232 is an integrated circuit by Maxim Integrated Products, now a subsidiary of Analog Devices, that converts signals from a TIA-232 (RS-232) serial port to signals suitable for use in TTL-compatible digital logic ...

  6. Synchronous Serial Interface - Wikipedia

    en.wikipedia.org/wiki/Synchronous_Serial_Interface

    Synchronous Serial Interface (SSI) is a widely used serial interface standard for industrial applications between a master (e.g. controller) and a slave (e.g. sensor). SSI is based on RS-422 [1] standards and has a high protocol efficiency in addition to its implementation over various hardware platforms, making it very popular among sensor manufacturers.

  7. IEC 61162 - Wikipedia

    en.wikipedia.org/wiki/IEC_61162

    IEC 61162-460:2015(E) is an add-on to the IEC 61162-450 standard. This standard extends the informative guidance given in Annex D of IEC 61162-450:2011.

  8. Follow These Syrian Refugees As They Risk Everything For A ...

    testkitchen.huffingtonpost.com/1000-miles/?ir=Canada

    Seven countries, an ocean and over a thousand miles stand between them and their dreams for a future

  9. Asynchronous serial communication - Wikipedia

    en.wikipedia.org/wiki/Asynchronous_serial...

    The most common physical layer interface used is RS-232D. The performance loss relative to synchronous access is negligible, as most modern modems will use a private synchronous protocol to send the data between themselves, and the asynchronous links at each end are operated faster than this data link, with flow control being used to throttle ...