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  2. List of early microcomputers - Wikipedia

    en.wikipedia.org/wiki/List_of_early_microcomputers

    complete board: MOS's developer kit for the 6502, widely used in a number of projects: Motorola MEK6800D2: Motorola 6800: 1976: complete board: MPT8080 Microtutor: Intel 8080: 1977: complete board: A trainer type single-board-computer. As recently as 2008, it remained in academic use. [6] As of 2011, the MPT8080 was still available for sale ...

  3. NAD 3020 - Wikipedia

    en.wikipedia.org/wiki/NAD_3020

    According to the manufacturer, the NAD 3020 is a high voltage design that uses the same large powerful output transistors (2N3055 and MJ2955) that "other manufacturers employ in their '60-watt' amplifiers", enabling the amplifier to deliver power headroom for musical transients. [7]

  4. Emitter-coupled logic - Wikipedia

    en.wikipedia.org/wiki/Emitter-coupled_logic

    In electronics, emitter-coupled logic (ECL) is a high-speed integrated circuit bipolar transistor logic family. ECL uses an overdriven bipolar junction transistor (BJT) differential amplifier with single-ended input and limited emitter current to avoid the saturated (fully on) region of operation and the resulting slow turn-off behavior. [ 2 ]

  5. Solid Logic Technology - Wikipedia

    en.wikipedia.org/wiki/Solid_Logic_Technology

    Solid Logic Dense (SLD) increased packaging density and circuit performance by mounting the discrete transistors and diodes on top of the substrate and the resistors on the bottom. [3]: 15 SLD voltages were the same as SLT. Unit Logic Device (ULD) use flat-pack ceramic packages, much smaller than SLT's metal cans.

  6. Regency TR-1 - Wikipedia

    en.wikipedia.org/wiki/Regency_TR-1

    TR-1, circuit board and casing. Exhibit of Deutsches Museum, Munich. 22.5 Volt battery used in the Regency TR-1 (AA battery for comparison shown on left) The TR-1 is a superheterodyne receiver [2] [11] with four n-p-n germanium transistors and one diode. It contains a single transistor converter stage, followed by two intermediate-frequency ...

  7. Via (electronics) - Wikipedia

    en.wikipedia.org/wiki/Via_(electronics)

    A via (Latin, 'path' or 'way') is an electrical connection between two or more metal layers of a printed circuit boards (PCB) or integrated circuit. Essentially a via is a small drilled hole that goes through two or more adjacent layers; the hole is plated with metal (often copper) that forms an electrical connection through the insulating layers.

  8. TO-92 - Wikipedia

    en.wikipedia.org/wiki/TO-92

    Transistors of this type can be made very inexpensively and take up very little board space. Most models are readily available in large quantities from wholesale distributors. They are easy to find in small electronics stores because of their wide usefulness, making them a popular choice for hobby work and prototyping .

  9. Transistor computer - Wikipedia

    en.wikipedia.org/wiki/Transistor_computer

    A transistor computer, now often called a second-generation computer, [1] is a computer which uses discrete transistors instead of vacuum tubes. The first generation of electronic computers used vacuum tubes, which generated large amounts of heat, were bulky and unreliable.

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