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  2. TL431 - Wikipedia

    en.wikipedia.org/wiki/TL431

    Reference voltage vs free-air temperature at test conditions. Design-center (middle plot) and worst-case deviation of ±2% (upper and lower plots) [12] The nominal reference voltage, V REF =2.495 V, stated in a datasheet, is tested in zener mode at an ambient temperature of +25 °C (77 °F), and I CA =10 mA. [13]

  3. Reference designator - Wikipedia

    en.wikipedia.org/wiki/Reference_designator

    A reference designator unambiguously identifies the location of a component within an electrical schematic or on a printed circuit board.The reference designator usually consists of one or two letters followed by a number, e.g. C3, D1, R4, U15.

  4. Time-dependent gate oxide breakdown - Wikipedia

    en.wikipedia.org/wiki/Time-dependent_gate_oxide...

    Time-dependent gate oxide breakdown (or time-dependent dielectric breakdown, TDDB) is a kind of transistor aging, a failure mechanism in MOSFETs, when the gate oxide breaks down as a result of long-time application of relatively low electric field (as opposed to immediate breakdown, which is caused by strong electric field).

  5. Contact resistance - Wikipedia

    en.wikipedia.org/wiki/Contact_resistance

    The three electrode systems such as transistors require more complicated methods for the contact resistance approximation. The most common approach is the transmission line model (TLM). Here, the total device resistance R tot {\displaystyle R_{\text{tot}}} is plotted as a function of the channel length:

  6. Curve tracer - Wikipedia

    en.wikipedia.org/wiki/Curve_tracer

    In addition to the transistor characteristic curves, the Type 575 is used to display dynamic characteristics of a wide range of semiconductor devices." (Tektronix, Catalog, 1967) A curve tracer is a specialised piece of electronic test equipment used to analyze the characteristics of discrete electronic components , such as diodes , transistors ...

  7. Current mirror - Wikipedia

    en.wikipedia.org/wiki/Current_mirror

    In the case of transistor M 1 of the mirror, I D = I REF. Reference current I REF is a known current, and can be provided by a resistor as shown, or by a "threshold-referenced" or "self-biased" current source to ensure that it is constant, independent of voltage supply variations. [1]

  8. Schmitt trigger - Wikipedia

    en.wikipedia.org/wiki/Schmitt_trigger

    Examples are the classic transistor emitter-coupled Schmitt trigger, the op-amp inverting Schmitt trigger, etc. Modified input voltage (parallel feedback): when the input voltage crosses the threshold in either direction the circuit changes its input voltage in the same direction (now it adds a part of its output voltage directly to the input ...

  9. Power MOSFET - Wikipedia

    en.wikipedia.org/wiki/Power_MOSFET

    NXP 7030AL - N-channel TrenchMOS logic level FET IRF640 Power Mosfet die. The power MOSFET is the most widely used power semiconductor device in the world. [3] As of 2010, the power MOSFET accounts for 53% of the power transistor market, ahead of the insulated-gate bipolar transistor (27%), RF power amplifier (11%) and bipolar junction transistor (9%). [24]

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