The given BJT has α =0.99
1- Use P spice to simulate the given circuit, then find the values of the base, collector and emitter currents.
2- Calculate theoretically the three terminals ‘currents.
3- Use T-model to draw the small-signal equivalent circuit.
4- Calculate the input resistance.
5- Calculate the overall gain.
can any one answer the questions today please ?
Homework Answers
Currently IAM not available with the simulation tool.
Hope you understand the process and can easily implement using the diagram.
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The given BJT has α =0.99
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The BJT amplifier circuit in the figure below has β = 90. Use VT = 25...
The BJT amplifier circuit in the figure below has β = 90. Use VT
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a- Draw the DC equivalent circuit and calculate IC.
b- Draw the small signal equivalent circuit and calculate the
small signal parameters.
c- Find the voltage gain
+9V 3 kΩ C2 = 1 uF HE C = 1uF + υο 10 kΩ Cz = 50 uF - . υ 9 kΩ Η. 6. ΚΩ -9 V
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Vsig = 10mV*sin(2Kπ)
The circuit above is a common-emitter amplifier. Given the
parameters in the circuit,
1. If Rb1=10KΩ, Calculate Rb2, Ib, Ic, Ie, Re, transconductance
(gm), Current through Rb1 (I_rb1), and Current through Rb2(I_rb2),
Vb, Vc, Ve, Vce. Also, calculate Rc to achieve a voltage gain Av =
- 100 V/
(If Rb1 value does not match up, then choose your resistor
value for Rb1.)
2. If the amplitude of Vsig keeps increasing, at what amplitude
of the input...
7.53 For the circuit shown in Fig. P7.53, draw a complete small-signal equivalent circuit utilizing an appropriate T model for the BJT (use a =0.99). Your circuit should show the values of all components, including the model parameters. What is the input resistance R ? Calculate the overall voltage gain (v,/v). (also find A, for this amp) sig +5 V RC 12 kΩ C2 RL 12 ΚΩ Rsig 75 N ) 0.33 mA Vsig Rin Figure P7.53
Need some help for this
Problem 1: Consider the circuit below. Vcc = 12V, R31 = 120k12, RB2 = 40 k12, R33 = 120 k12, R34 = 20k12, Rei 3k12, Re2 = 1k12, Rc2= 10 kN, Rcz = 0 and B = 50. a. Calculate the collector current and emitter voltage for both transistors. Neglect Early effect b. Draw the small signal equivalent circuit. c. Calculate Rin2, Rin, Rout d. Calculate the overall gain with load of the amplifier if...
The BJT amplifier circuit in the figure below has β = 90. Use VT
= 25 mV
a- Draw the DC equivalent circuit and calculate IC.
b- Draw the small signal equivalent circuit and calculate the
small signal parameters.
c- Find the voltage gain
+9V 3 kΩ C2 = 1 uF HE C = 1uF + υο 10 kΩ Cz = 50 uF - . υ 9 kΩ Η. 6. ΚΩ -9 V
Ignore PSpice Simulation
Design the BJT current mirror shown in Figure 1 to replicate a 1 mA reference current at the collector of 02. Assume a scale current of 6.7 fA, V 74 V, and B-200. 1. Determine Ri such that IREF- 1 mA is the current, Ic, flowing into the collector of Qi 2. Calculate Io/IREF, where Io- Ic2. 3. Simulate the circuit in Figure 1 in PSpice. Use the SEDRA_LIB library for the Q2N3904 and enter the appropriate...
6.5 BI C2 Cl sig in 0 Design the bias circuit of the CE amplifier shown to obtain IE= 0.5 mA and Vc= +6 V. Design for a dc voltage at the base of 5 V and a current through RB2 of 50 μΑ. Let Vcc-+15 V, β-100, and VBE 0.7 V. a) Specify the values of RBi, RB2, RE, and Rc b) Also give the values of the BJT small-signal parameters gm, rr , and ro at the bias...
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First, design a common emitter BJT amplifier Second, analyze the amplifier.( Avo, Gv, Rin, Rout) Third, compare your calculation with Multisim. Report must include comparison between your calculation & simulation results overall voltage gain, open circuit voltage gain, input resistance, and output resistance. This design project is not group work, must be done individually. Type your report. Design a discrete common emitter BJT amplifier.(Determine...
4. Consider the following Common Base BJT circuit given in the figure below: i. Use the data sheets of CA3046 BJT array and design a common collector circuit given in the following Figure 2 with the stated specifications in Table 2 Clearly show your design procedure. (Hint: show your calculation steps for both DC and AC small signall analysis) ii. Important Note : Ifyou remove RE you should also remove ClI, that is, connecting ac voltage source directly to emitter)...
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Name/Date: 2. Given the npa BJT common emitnter amplifier circuit in Figure 2, assume e given below, and determine the following a) [DC Analysis] Find: α-- -h" V. Va and VCE Use above answers to confirm active mode; state the bias (i.e. FB or RB)criteria equations, and the values: V. BE- b) [Small Signal Parameters) Find cSmall Signal Model) Use x-model; draw the complete small signal equivalent circuit below. d)[Small Signal Analysis] Find the following values: R R_...
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Vsig = 10mV*sin(2Kπ)
The circuit above is a common-emitter amplifier. Given the
parameters in the circuit,
1. If Rb1=10KΩ, Calculate Rb2, Ib, Ic, Ie, Re, transconductance
(gm), Current through Rb1 (I_rb1), and Current through Rb2(I_rb2),
Vb, Vc, Ve, Vce. Also, calculate Rc to achieve a voltage gain Av =
- 100 V/
(If Rb1 value does not match up, then choose your resistor
value for Rb1.)
2. If the amplitude of Vsig keeps increasing, at what amplitude
of the input...
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