Question

In: Electrical Engineering

Given β=200, VBE=0.7V, and VT=0.025V as shown in Figure 3. Calculate the voltage gain vo/vi.

Given β=200, VBE=0.7V, and VT=0.025V as shown in Figure 3. Calculate the voltage gain vo/vi.

Solutions

Expert Solution

In the question a CE amplifier is given, where it is asked to determine the voltage gain of the circuit. Let us calculate the voltage gain in steps, the solution is given below


Related Solutions

A. According to Equation 20.7, an ac voltage V is given as a function of time t by V = Vo sin 2ft, where Vo is the peak voltage and f is the frequency (in hertz).
  A. According to Equation 20.7, an ac voltage V is given as a function of time t by V = Vo sin 2ft, where Vo is the peak voltage and f is the frequency (in hertz). For a frequency of 56.0 Hz, what is the smallest value of the time at which the voltage equals one-half of the peak-value? B. The rms current in a copy machine is 7.36 A, and the resistance of the machine is 19.8Ω. What...
Voltage, Current, Resistance The rod shown below is made of two materials. The figure is not...
Voltage, Current, Resistance The rod shown below is made of two materials. The figure is not drawn to scale. Each conductor has a square cross section 10.00 mm on a side. The first material has a resistivity of 4.00×10-8Ω∙m and is 50.0 cm long, while the second material has a resistivity of 6.00×10-8 Ω · m and is 80.0 cm long. If a potential difference of 100V is applied between the front and the back faces, determine the following physical...
Using the descriptions given in the figure, convert the ERD shown in Figure P6.2 into a...
Using the descriptions given in the figure, convert the ERD shown in Figure P6.2 into a dependancy diagram that is in at least 3NF.
When a magnet is plunged into a coil at speed v, as shown in the figure, a voltage is induced in the coil and a current flows in the circuit.(Figure 1)
When a magnet is plunged into a coil at speed v, as shown in the figure, a voltage is induced in the coil and a current flows in the circuit. (Figure 1) Part A If the speed of the magnet is doubled, the induced voltage is ________. a.) twice as great b.) four times as great c.) half as great d.) unchanged  
When a magnet is plunged into a coil at speed v, as shown in the figure, a voltage is induced in the coil and a current flows in the circuit.(Figure 1)
When a magnet is plunged into a coil at speed v, as shown in the figure, a voltage is induced in the coil and a current flows in the circuit. (Figure 1) Part A If the speed of the magnet is doubled, the induced voltage is ________. a.) twice as great b.) four times as great c.) half as great d.) unchanged  
(a) Calculate the wavelength of an electron under an acceleration voltage of (i) 200 V, (ii)...
(a) Calculate the wavelength of an electron under an acceleration voltage of (i) 200 V, (ii) 1.5 MeV and (ii) 2.5 GeV. Also, calculate the velocity of electrons moving at these acceleration voltages. How does this velocity compare to the speed of light. If they are comparable to the speed of light, use relativistic effects to calculate the wavelength of electron? (b) If the wavelengths are so small, can one expect the resolution of the TEM made with these energies...
A proton follows the path shown in figure P21.74. Its initial speed is ??=1.9∗106??.Vo=1.9∗10^6 m/s.what is...
A proton follows the path shown in figure P21.74. Its initial speed is ??=1.9∗106??.Vo=1.9∗10^6 m/s.what is the protons speed as it passes through point P?
For the circuit shown in the figure, calculate the following. (Assume  = 7.32 V and R =...
For the circuit shown in the figure, calculate the following. (Assume  = 7.32 V and R = 5.70 Ω.) A rectangular circuit begins at point a on its left side. On its top side, the circuit splits into two parallel horizontal branches. The top branch contains, from left to right, a 12.0 V battery and a 4.00 Ω resistor. The positive terminal of the battery is to the left of its negative terminal. The bottom branch contains a 2.00 Ω resistor....
For the following exercises, calculate u ⋅ v. Given the vectors shown in Figure 4, sketch u + v, u − v and 3v.
For the following exercises, calculate u ⋅ v.Given the vectors shown in Figure 4, sketch u + v, u − v and 3v.
(3)a. Briefly explain the main application of positive feedback system (b) Voltage gain of an amplifier...
(3)a. Briefly explain the main application of positive feedback system (b) Voltage gain of an amplifier without feedback is 60dB. It decreases to 40dB with feedback. Calculate the feedback factor. (c) What is the function of zero crossing detector and its practical applications
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT