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  2. List of ISO standards 30000–99999 - Wikipedia

    en.wikipedia.org/wiki/List_of_ISO_standards_30000...

    IEC/TR 80002-1:2009 Part 1: Guidance on the application of ISO 14971 to medical device software; ISO/TR 80002-2:2017 Part 2: Validation of software for medical device quality systems; IEC/TR 80002-3:2014 Part 3: Process reference model of medical device software life cycle processes ; ISO/TS 80004 Nanotechnologies – Vocabulary

  3. USB - Wikipedia

    en.wikipedia.org/wiki/USB

    The throughput of each USB port is determined by the slower speed of either the USB port or the USB device connected to the port. High-speed USB 2.0 hubs contain devices called transaction translators that convert between high-speed USB 2.0 buses and full and low speed buses. There may be one translator per hub or per port.

  4. Two-port network - Wikipedia

    en.wikipedia.org/wiki/Two-port_network

    Figure 1: Example two-port network with symbol definitions. Notice the port condition is satisfied: the same current flows into each port as leaves that port.. In electronics, a two-port network (a kind of four-terminal network or quadripole) is an electrical network (i.e. a circuit) or device with two pairs of terminals to connect to external circuits.

  5. Nikko TRM-800 - Wikipedia

    en.wikipedia.org/wiki/Nikko_TRM-800

    The TRM-800 was a high-end solid state integrated stereo amplifier made in Japan, using NEC power transistors, by Nikko. It was the top-of-the-line model in the Nikko amplifier range of TRM's series; housed in a wooden walnut-finished cabinet and a brushed aluminum front panel, was introduced in 1975 [1] the same year as the Marantz 2235.

  6. Balanced audio - Wikipedia

    en.wikipedia.org/wiki/Balanced_audio

    The two wires form a circuit that can carry an audio signal. The term balanced comes from the method of balancing the impedance of each wire in the circuit; the line and all circuits directly connected to it (such as the driver and receiver) must have identical impedances with respect to some reference point. This means that much of the ...

  7. Cascode - Wikipedia

    en.wikipedia.org/wiki/Cascode

    This circuit applies only at frequencies low enough that the transistor parasitic capacitances do not matter. The figure shows the original cascode (Fig. 1) and the equivalent voltage amplifier or g-equivalent two-port (Fig. 4). The equivalent circuit allows easier calculations of the behavior of the circuit for different drivers and loads.

  8. IEC 60870-6 - Wikipedia

    en.wikipedia.org/wiki/IEC_60870-6

    IEC 60870-6-503 TASE.2 Services and protocol; IEC 60870-6-504 TASE.1 User conventions; EC TR 60870-6-505 TASE.2 User guide; IEC 60870-6-601 Functional profile for providing the connection-oriented transport service in an end system connected via permanent access to a packet switched data network; IEC 60870-6-602 TASE transport profiles

  9. Line driver - Wikipedia

    en.wikipedia.org/wiki/Line_driver

    A line driver is an electronic amplifier circuit designed for driving a load such as a transmission line. The amplifier's output impedance may be matched to the characteristic impedance of the transmission line. Line drivers are commonly used within digital systems, e.g. to communicate digital signals across circuit-board traces and cables. [1]