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2. Jump wire - Wikipedia

   en.wikipedia.org/wiki/Jump_wire

   Stranded 22AWG jump wires with solid tips. A jump wire (also known as jumper, jumper wire, DuPont wire) is an electrical wire, or group of them in a cable, with a connector or pin at each end (or sometimes without them – simply "tinned"), which is normally used to interconnect the components of a breadboard or other prototype or test circuit, internally or with other equipment or components ...

3. 78xx - Wikipedia

   en.wikipedia.org/wiki/78xx

   The 79xx devices have a similar "part number" to "voltage output" scheme, but their outputs are negative voltage, for example 7905 is −5 V and 7912 is −12 V. The 7905 and/or 7912 were popular in many older ATX power supply designs, [ 4 ] [ 5 ] and some newer ATX power supplies may have a 7912.

4. Jumper (computing) - Wikipedia

   en.wikipedia.org/wiki/Jumper_(computing)

   For example, with older PC systems, CPU speed and voltage settings were often made by setting jumpers. Some documentation may refer to setting the jumpers to on, off, closed, or open. When a jumper is on or covering at least two pins it is a closed jumper, when a jumper is off, is covering only one pin, or the pins have no jumper it is an open ...

5. List of LM-series integrated circuits - Wikipedia

   en.wikipedia.org/wiki/List_of_LM-series...

   Fixed 3 A, 5-volt positive voltage regulator [64] LM325 Yes Dual ±15-volt voltage regulator [65] LM330 5-volt positive voltage regulator, 0.6 V input-output difference [66] LM333 Yes Adjustable 3 A negative voltage regulator (-1.2 V to -32 V) [67] LM137 LM237 LM337 Adjustable 1.5 A negative voltage regulator (-1.2 V to -37 V) [68] LM138 LM338

6. Reference designator - Wikipedia

   en.wikipedia.org/wiki/Reference_designator

   1A1A44J5 - Unit 1, Assembly 1, Sub-Assembly 44, Jack 5 (J5 is a connector on a box referenced as A44) 1A1A45J333 - Unit 1, Assembly 1, Sub-Assembly 45, Jack 333 (J333 is a connector on a box referenced as A45) A cable connecting these two might be: 1A1W35 - In the assembly A1 is a cable called W35. Connectors on this cable would be designated:

7. Quadrature booster - Wikipedia

   en.wikipedia.org/wiki/Quadrature_booster

   400 MVA 220/155 kV phase-shifting transformer.. A phase angle regulating transformer, phase angle regulator (PAR, American usage), phase-shifting transformer, phase shifter (West coast American usage), or quadrature booster (quad booster, British usage), is a specialised form of transformer used to control the flow of real power on three-phase electric transmission networks.