What does the operating point (Q-point) of a CE amplifier determine?  *5 pointsThe gain at high frequenciesThe DC biasing conditionsThe thermal stabilityThe noise figure

Which PSPICE analysis type is used to find the operating point of a CE amplifier?  *5 pointsAC SweepDC SweepTransient AnalysisOperating Point Analysis

What is the Q-point for a biased transistor as in Figure 5–2 with IB = 150 mA, bDC = 75,VCC = 18 V, and RC = 1.0 kV?

What is the Q-point for a fixed-bias transistor with IB = 75 uA, β = 100, Vcc = 20 V, and Rc = 1.5 k?

Ex 5 : For a non-ideal amplifier with a following parameters, determinea. input S/N ratio (dB)b. output S/N ratio (dB)c. noise factor and noise figureInput signal power = 2 x 10 -10 WInput noise power = 2 x 10 -18 WPower gain = 1000000Internal noise N d = 6 x 10 -12 W

For an amplifier operating at 27 °C with.a bandwidth of 20KHz.determine a) thermal noise power in watts and dBm, b) Calculatenoise power in watts if the bandwidth is doubled, c) RMS noisevoltage for 50 ohm load resistance and 50 ohm internal resistance,d) noise factor for an equivalent noise temperature of 75 K and e)noise figure in dB.