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  • What does the term bias mean? - Electrical Engineering Stack Exchange
    Bias is another word for the operating point -- a dc voltage or current about which the instantaneous value might vary For example, you can say you applied a "6 V peak-peak AC signal biased at +1 V" In this case the range of the signal would be from -2 to +4 V You can see the relationship with the everyday meaning of bias, "a tendency or inclination" () in this case with the meaning that
  • What is the meaning of biasing in electrical electronics circuits?
    Your question is ambiguous, but I will answer one possible case, namely, "Why might someone apply a DC bias to a BJT?" An NPN BJT does not conduct very much current when the base-to-emitter voltage (Vbe) is less than 0 7V Typically, a base biasing network for a BJT is used to bring the base into the 'forward active region', where changes in voltage at the base translate into changes in
  • What is forward and reverse voltage when working with diodes?
    Forward-bias is when the anode (the pointy part of the symbol) is positive and the cathode (the bar) is negative Reverse-bias is when the anode is negative and the cathode is positive A lot of current flows when the diode is forward-biased, provided that the voltage is higher than 0 6V or so for a silicon diode or 0 3V or so for a germanium
  • What does Bias Repeatability tell me in an IMUs spec sheet?
    Alternatively, this spec sheet (for this tactical grade IMU) describes its bias repeatability with this footnote: Bias repeatability provides an estimate for long-term drift in the bias, as observed during 500 hours of high temperature operating life at +105C This seems to estimate the change in bias over a single 500-hour run So if I leave my gyro on for 500 hours after bias correction, I
  • transistors - BJT: definition of edge of saturation - Electrical . . .
    My question: I found no statement on why the EOS is defined by the point where vc < (vb - 0 4V) Seems like other books just define saturation at where vc < vb, and I even saw vc < (vb-0 7V) somewhere else Is the 0 4 volts just some value in the region between 0 and 0 7V of forward bias of the CB diode?
  • What is the precise definition of forward and reverse bias for a P-N . . .
    The definition is rather interesting, because its based on the models of the transistor, not the transistor itself Obviously a real transistor has smooth responses to all inputs, with no magic "points" where its behavior suddenly changes
  • power electronics - BJT biasing and operating points - Electrical . . .
    What exactly is the definition of an operating point in the context of Bipolar junction transistors What is their physical significance? I was going through few books on electronics and found that a
  • Operating regions of BJT - Electrical Engineering Stack Exchange
    However, the bias state of the base-emitter junction isn't so clearly defined That can be reverse biased, or even slightly forward biased, without causing significant collector current
  • What is Q-point of transistor? - Electrical Engineering Stack Exchange
    From Wiki: The operating point of a device, also known as bias point, quiescent point, or Q-point, is the steady-state voltage or current at a specified terminal of an active device (a transistor or vacuum tube) with no input signal applied The choice of Q-point depends on the application and is a crucial part of the design process





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