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  2. List of amateur radio transceivers - Wikipedia

    en.wikipedia.org/wiki/List_of_amateur_radio...

    The TS-2000 was marketed as a feature-rich transceiver. As an "all-band" transceiver, the TS-2000 offers a maximum power output of 100 watts on the HF, 6 meters, and 2 meters bands, 50 watts on 70 centimeters, and, with the TS-2000X or the optional UT-20, 10 watts on the 1.2 GHz or 23 centimeters band. The (American version) radio's main ...

  3. Multi-gigabit transceiver - Wikipedia

    en.wikipedia.org/wiki/Multi-gigabit_transceiver

    A multi-gigabit transceiver (MGT) is a SerDes capable of operating at serial bit rates above 1 Gigabit/second. MGTs are used increasingly for data communications because they can run over longer distances, use fewer wires, and thus have lower costs than parallel interfaces with equivalent data throughput.

  4. Swan Electronics - Wikipedia

    en.wikipedia.org/wiki/Swan_Electronics

    Following the single band transceivers, Swan introduced the model 240, which covered all three bands in one unit, and then the model 400, which covered five bands (adding 21 and 28 MHz) and had a VFO in a separate unit. [4] Later, in the mid-1960s, Swan introduced the more full-featured models 350 and 500 transceivers.

  5. Sprag clutch - Wikipedia

    en.wikipedia.org/wiki/Sprag_clutch

    One-way bearing combining sprags and bearing rollers in one race Sprags jam when driven and slide when in reverse. A sprag clutch is a one-way freewheel clutch.It resembles a roller bearing but, instead of cylindrical rollers, non-revolving asymmetric figure-eight shaped sprags, or other elements allowing single direction rotation, are used.

  6. Electromagnetic clutches and brakes - Wikipedia

    en.wikipedia.org/wiki/Electromagnetic_clutches...

    Based upon the size of the clutch or brake, the speed and the inertia, wear rates will differ. For example, a machine that was running at 500 rpm with a clutch and is now sped up to 1000 rpm would have its wear rate significantly increased because the amount of energy required to start the same amount of inertia is a lot higher at the higher speed.

  7. AN/PRC-77 Portable Transceiver - Wikipedia

    en.wikipedia.org/wiki/AN/PRC-77_Portable_Transceiver

    The AN/PRC-77 entered service in 1968 during the Vietnam War as an upgrade to the earlier AN/PRC-25.It differs from its predecessor mainly in that the PRC-77's final power amplifier stage is made with a transistor, eliminating the only vacuum tube in the PRC-25, as well as the DC-DC voltage converter used to create the high plate voltage for the tube from the 15 V battery.

  8. AN/VRC-12 - Wikipedia

    en.wikipedia.org/wiki/AN/VRC-12

    There was limited overlap between armor and artillery radios, and between artillery and infantry radios, but none between armor and infantry. The transceivers in the new AN/VRC-12 series were half the size and weight of the GRC-3x series, output twice the power, yet covered all frequencies in the larger 30 to 76 MHz FM band and provided 920 ...

  9. Comparison of 802.15.4 radio modules - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_802.15.4...

    A ready-to-use module is a complete system with a transceiver, and optionally an MCU and antenna on a printed circuit board. While most of the modules in this list are Zigbee , Thread , ISA100.11a , or WirelessHART modules, some don't contain enough flash memory to implement a Zigbee stack and instead run plain 802.15.4 protocol, sometimes with ...