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rc time constant การใช้

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  • This lowers the RC time constant of the circuit and typically increases the bandwidth.
  • The RC time constants are adjusted to match.
  • The RC time constant associated with contact resistance can limit the frequency response of devices.
  • If \ alpha = 0.5, then the RC time constant equal to the sampling period.
  • The FO4 time for a technology is five times its RC time constant ?; therefore 5纺 = FO4.
  • The time required for the voltage to fall to } } is called the RC time constant and is given by
  • This phenomenon can be described with a series circuit of cascaded RC ( resistor / capacitor ) elements with serial RC time constants.
  • If looking for all of the RC time constants ( poles ) it is important to include as well the capacitance seen by the output.
  • The resistance and capacitance of the photodiode and the external circuitry give rise to another response time known as RC time constant \ tau = RC.
  • The RC time constant matching method works as long as the transit time of the shielded cable is much less than the time scale of interest.
  • If \ scriptstyle \ alpha \; = \; 0.5, then the \ scriptstyle RC time constant is equal to the sampling period.
  • Single-event effects ( SEE ), mostly affecting only RC time constant circuits that slow down the circuit's reaction time beyond the duration of an SEE.
  • The wordline length is limited by the desired performance of the array, since propagation time of the signal that must transverse the wordline is determined by the RC time constant.
  • As a practical rule of thumb, this means the change rate of a signal must be slower than that dictated by the RC time constant of the circuit being driven.
  • In more complicated circuits consisting of more than one resistor and / or capacitor, the open-circuit time constant method provides a way of approximating the cutoff frequency by computing a sum of several RC time constants.
  • This causes the PCI's IDSEL signal to reach its active condition more slowly than other PCI bus signals ( due to the RC time constant of both the resistor and the IDSEL pin's input capacitance ).
  • All of these factors influence each other through an RC time constant : any increase in load capacitance increases C, heat-induced resistance the R factor, and supply threshold voltage increases will affect whether more than one time constants are required to reach the threshold.
  • That is, when a chosen capacitor is charged to a design value, ( e . g ., 2 / 3 of the power supply voltage ) comparators within the 555 timer flip a transistor switch that gradually discharges that capacitor through a chosen resistor ( RC Time Constant ) to ground.
  • The master then waits for SCL to actually go high; this will be delayed by the finite rise-time of the SCL signal ( the RC time constant of the pull-up resistor and the parasitic capacitance of the bus ), and may be additionally delayed by a slave's clock stretching.
  • The upper FET gate is electrically grounded, so charge and discharge of the stray capacitance, " C dg ", between drain and gate is simply through " R D " and the output load ( say " R " out ), and the frequency response is affected only for frequencies above the associated RC time constant : " ? " = " C " dg " R"