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  2. Scintillation proximity assay - Wikipedia

    en.wikipedia.org/wiki/Scintillation_proximity_assay

    In comparison to the previous over-coated plate-based methods, SPA has a number of advantages that makes it more popular: Assay flexibility - the concentration of the components in the assay can be adjusted to suit the user due to the higher surface area design of the SPA beads, hence providing the user flexibility in designing assay.

  3. Serial port - Wikipedia

    en.wikipedia.org/wiki/Serial_port

    In this diagram, two bytes are sent, each consisting of a start bit, followed by eight data bits (bits 0-7), and one stop bit, for a 10-bit character frame in 8N1 format. The line on a diagram staying up indicates an excited ("mark" or 1) state of the line, low − unasserted ("space" or 0) state.

  4. Relay logic - Wikipedia

    en.wikipedia.org/wiki/Relay_logic

    A number strip would be peeled out and wrapped around the wire near the end. Wire numbers were made up of a series of the number strips so wire 1051 would be four strips. There are also pocket sized printers that print onto an adhesive backed label that can be wrapped around the wire. The basic format for relay logic diagrams is as follows: 1.

  5. Piping and instrumentation diagram - Wikipedia

    en.wikipedia.org/wiki/Piping_and_instrumentation...

    Piping and instrumentation diagram of pump with storage tank. Symbols according to EN ISO 10628 and EN 62424. A more complex example of a P&ID. A piping and instrumentation diagram (P&ID) is defined as follows: A diagram which shows the interconnection of process equipment and the instrumentation used to control the process.

  6. Eye pattern - Wikipedia

    en.wikipedia.org/wiki/Eye_pattern

    A simple way to have the eye pattern display jitter in the signal is to estimate the symbol rate of the signal (perhaps by counting the average number of zero crossings in a known window of time) and acquiring many UIs in a single oscilloscope capture. The first zero crossing in the capture is located and declared to be the start of the first ...

  7. Serial Peripheral Interface - Wikipedia

    en.wikipedia.org/wiki/Serial_Peripheral_Interface

    Serial Peripheral Interface (SPI) is a de facto standard (with many variants) for synchronous serial communication, used primarily in embedded systems for short-distance wired communication between integrated circuits.

  8. Digital timing diagram - Wikipedia

    en.wikipedia.org/wiki/Digital_timing_diagram

    The timing diagram example on the right describes the Serial Peripheral Interface (SPI) Bus. Most SPI master nodes can set the clock polarity (CPOL) and clock phase (CPHA) with respect to the data. This timing diagram shows the clock for both values of CPOL and the values for the two data lines (MISO & MOSI) for each value of CPHA.

  9. Smith diagram - Wikipedia

    en.wikipedia.org/wiki/Smith_diagram

    Smith diagram or Smith diagramme may refer to: Smith chart, a diagram by American electrical engineer Phillip Hagar Smith, used in electrical engineering;