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  2. Load line (electronics) - Wikipedia

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

    The load line diagram at right is for a resistive load in a common emitter circuit. The load line shows how the collector load resistor (R L ) constrains the circuit voltage and current. The diagram also plots the transistor's collector current I C versus collector voltage V CE for different values of base current I base .

  3. Diode–transistor logic - Wikipedia

    en.wikipedia.org/wiki/Diodetransistor_logic

    Diodetransistor logic (DTL) is a class of digital circuits that is the direct ancestor of transistortransistor logic. It is called so because the logic gating functions AND and OR are performed by diode logic , while logical inversion (NOT) and amplification (providing signal restoration) is performed by a transistor (in contrast with ...

  4. Transistor diode model - Wikipedia

    en.wikipedia.org/wiki/Transistor_diode_model

    In a diode model two diodes are connected back-to-back to make a PNP or NPN bipolar junction transistor (BJT) equivalent. This model is theoretical and qualitative. This model is theoretical and qualitative.

  5. Diode - Wikipedia

    en.wikipedia.org/wiki/Diode

    The symbol used to represent a particular type of diode in a circuit diagram conveys the general electrical function to the reader. There are alternative symbols for some types of diodes, though the differences are minor. The triangle in the symbols points to the forward direction, i.e. in the direction of conventional current flow.

  6. Bipolar junction transistor - Wikipedia

    en.wikipedia.org/wiki/Bipolar_junction_transistor

    However, to accurately and reliably design production BJT circuits, the voltage-control model (e.g. the Ebers–Moll model) is required. [3] The voltage-control model requires an exponential function to be taken into account, but when it is linearized such that the transistor can be modeled as a transconductance, as in the Ebers–Moll model ...

  7. Electronic symbol - Wikipedia

    en.wikipedia.org/wiki/Electronic_symbol

    Common circuit diagram symbols (US ANSI symbols) An electronic symbol is a pictogram used to represent various electrical and electronic devices or functions, such as wires, batteries, resistors, and transistors, in a schematic diagram of an electrical or electronic circuit. These symbols are largely standardized internationally today, but may ...

  8. p–n junction - Wikipedia

    en.wikipedia.org/wiki/P–n_junction

    p–n junctions represent the simplest case of a semiconductor electronic device; a p-n junction by itself, when connected on both sides to a circuit, is a diode. More complex circuit components can be created by further combinations of p-type and n-type semiconductors; for example, the bipolar junction transistor (BJT) is a semiconductor in ...

  9. Circuit design - Wikipedia

    en.wikipedia.org/wiki/Circuit_design

    In Electrical Engineering, the process of circuit design can cover systems ranging from complex electronic systems down to the individual transistors within an integrated circuit. One person can often do the design process without needing a planned or structured design process for simple circuits.