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Figure 3 Transistor amplifire circuit with source Vs and load R b) For the BJT switching...
*5. Design a BJT transistor drive circuit like the one shown Figure 10-7 (Hart's text) with an in...
*5. Design a BJT transistor drive circuit like the one shown Figure 10-7 (Hart's text) with an initial peak base current, IB,-8 1B2, where 1B2 denotes the minimum base current required to drive the transistor to saturation. Assume a collector load resistance, Rc-8 Ω, collector supply voltage Vs = 30 V, large signal current of the transistor, hFE-min. 10, max. 20), VBE(on)-0.8 V, and the input is periodic pulse waveform (0 to 6) V, with a duty cycle, D-0.5. Also,...
*5. Design a BJT transistor drive circuit like the one shown Figure 10-7 (Hart's text) with...
*5. Design a BJT transistor drive circuit like the one shown Figure 10-7 (Hart's text) with an initial peak base current, IB,-8 1B2, where 1B2 denotes the minimum base current required to drive the transistor to saturation. Assume a collector load resistance, Rc-8 Ω, collector supply voltage Vs = 30 V, large signal current of the transistor, hFE-min. 10, max. 20), VBE(on)-0.8 V, and the input is periodic pulse waveform (0 to 6) V, with a duty cycle, D-0.5. Also,...
RE -3.3k2 Figure 5. Vbe-0.7V (active), Vce 0.2V (saturation), p-100 For the circuit shown in Figure...
RE -3.3k2 Figure 5. Vbe-0.7V (active), Vce 0.2V (saturation), p-100 For the circuit shown in Figure 5: a) If V oV DC, find the DC bias point for Q1? b) Draw the small signal equivalent circuit and evaluate the small signal AC voltage gain. c) Sketch le vs Vce and show the operating point for the transistor. d) How would you change the bias to obtain maximum signal swing?
IX With reference to the transistor amplifier shown in Figure QB4 below d For the bipolar transistor circuit of Figure QB4 the following DC bias conditions were measured: VB made. 1.6 V and VBE =0.6...
IX With reference to the transistor amplifier shown in Figure QB4 below d For the bipolar transistor circuit of Figure QB4 the following DC bias conditions were measured: VB made. 1.6 V and VBE =0.6 V. Detemine the value for RA, stating any assumptions e) Using these same conditions, calculate the current in Re and deduce the current in Rc, stating any assumptions made. Hence find the voltage across Rc and explain whether this voltage is suitable for this amplifier...
Consider the npn BJT with a turn-on voltage V1 = 0.70 V, and a saturation emitter-collector...
Consider the npn BJT with a turn-on voltage V1 = 0.70 V, and a saturation emitter-collector voltage V CE/SAT) = 0.20 V. (a) [20 points) Consider this transistor in a common- emitter circuit (Re = 0). Design this common- emitter circuit to produce the IV (Ic vs. VCE) characteristic and load line (LL) as shown in the graph. Your answers are the following: a drawing of the circuit; the values of Vcc, Rc, VBB, and Ra; and the value for...
The NPN transistor in the circuit shown haes B-60 Assuming that the BJT is operating in the deep ...
answer i-iv please
The NPN transistor in the circuit shown haes B-60 Assuming that the BJT is operating in the deep saturation mode ie. VCEsat-02y and VBE-07V ßforced-10. Question 3: 20% p-60) Assuming that the BJT is operating in the deep Rg i) Calculate collector current, Ic. (4%) ii) Calculate voltage VBB and base current,IB(6%) iii) If we keep VBB and Rc the same, i.e. at 1k2, what is the minimum value of RB to restore the transistor beta to...
Laboratory 2: Transistor circuit characteristics A. Objectives: 1. To study the basic characteris...
Laboratory 2: Transistor circuit characteristics A. Objectives: 1. To study the basic characteristics of a transistor circuit. 2. To study the bias circuit of a transistor circuit. B. Apparatus: 1. DC Power supply 2. Experimental boards and corresponding components 3. Electronic calculator (prepared by students) 4. Digital camera (prepared by students for photo taking of the experimental results) 5. Laptop computer with the software PicoScope 6 and Microsoft Word installed. 6. PicoScope PC Oscilloscope and its accessories. 7. Digital multi-meter....
Q1. For the cascade amplifier circuit shown in Fig (1): a) What are the functions of the capacitors C, C2 and C3? And w...
Q1. For the cascade amplifier circuit shown in Fig (1): a) What are the functions of the capacitors C, C2 and C3? And what are the functions of the capacitors Cs and CE? b) What are the functions of the resistors RD and Rc? c) Draw the DC biasing circuits for each stage. d) Find loa, VGsa, VDs and gm for the JFET stage (you may use either mathematical or graphical methods) e) Calculate l, Ic, le and Ve for...
In a small signal voltage amplifier using a pnp transistor shown below, the voltage gain is 350.2. The value of a-0.95. Find the equivalent model emitter resistance re in Ohms if Rc-4.1K2. The BJT is...
In a small signal voltage amplifier using a pnp transistor shown below, the voltage gain is 350.2. The value of a-0.95. Find the equivalent model emitter resistance re in Ohms if Rc-4.1K2. The BJT is operating at room temperature and VBE 0.7V RE-10K CCI vi Cc2 Rc
In a small signal voltage amplifier using a pnp transistor shown below, the voltage gain is 350.2. The value of a-0.95. Find the equivalent model emitter resistance re in Ohms if Rc-4.1K2. The...
can you do 4.83 Ar- Q Sea 100 V, what does the gain become? age at...
can
you do 4.83
Ar- Q Sea 100 V, what does the gain become? age at the collector. (b) Replacing the transistor by its T model, da the small-signal equivalent circuit of the a plifier. Analyze the resulting circuit to dete mine the voltage gain t/ 04.81 Consider the CE amplifier circuit of Fig. 4.43(a). It is required to design the circuit (i.e., find values for I and Rc) to meet the following specifications: (a) R,5kn (b) the voltage gain...
*5. Design a BJT transistor drive circuit like the one shown Figure 10-7 (Hart's text) with an initial peak base current, IB,-8 1B2, where 1B2 denotes the minimum base current required to drive the transistor to saturation. Assume a collector load resistance, Rc-8 Ω, collector supply voltage Vs = 30 V, large signal current of the transistor, hFE-min. 10, max. 20), VBE(on)-0.8 V, and the input is periodic pulse waveform (0 to 6) V, with a duty cycle, D-0.5. Also,...
*5. Design a BJT transistor drive circuit like the one shown Figure 10-7 (Hart's text) with an initial peak base current, IB,-8 1B2, where 1B2 denotes the minimum base current required to drive the transistor to saturation. Assume a collector load resistance, Rc-8 Ω, collector supply voltage Vs = 30 V, large signal current of the transistor, hFE-min. 10, max. 20), VBE(on)-0.8 V, and the input is periodic pulse waveform (0 to 6) V, with a duty cycle, D-0.5. Also,...
RE -3.3k2 Figure 5. Vbe-0.7V (active), Vce 0.2V (saturation), p-100 For the circuit shown in Figure 5: a) If V oV DC, find the DC bias point for Q1? b) Draw the small signal equivalent circuit and evaluate the small signal AC voltage gain. c) Sketch le vs Vce and show the operating point for the transistor. d) How would you change the bias to obtain maximum signal swing?
IX With reference to the transistor amplifier shown in Figure QB4 below d For the bipolar transistor circuit of Figure QB4 the following DC bias conditions were measured: VB made. 1.6 V and VBE =0.6 V. Detemine the value for RA, stating any assumptions e) Using these same conditions, calculate the current in Re and deduce the current in Rc, stating any assumptions made. Hence find the voltage across Rc and explain whether this voltage is suitable for this amplifier...
Consider the npn BJT with a turn-on voltage V1 = 0.70 V, and a saturation emitter-collector voltage V CE/SAT) = 0.20 V. (a) [20 points) Consider this transistor in a common- emitter circuit (Re = 0). Design this common- emitter circuit to produce the IV (Ic vs. VCE) characteristic and load line (LL) as shown in the graph. Your answers are the following: a drawing of the circuit; the values of Vcc, Rc, VBB, and Ra; and the value for...
answer i-iv please
The NPN transistor in the circuit shown haes B-60 Assuming that the BJT is operating in the deep saturation mode ie. VCEsat-02y and VBE-07V ßforced-10. Question 3: 20% p-60) Assuming that the BJT is operating in the deep Rg i) Calculate collector current, Ic. (4%) ii) Calculate voltage VBB and base current,IB(6%) iii) If we keep VBB and Rc the same, i.e. at 1k2, what is the minimum value of RB to restore the transistor beta to...
Laboratory 2: Transistor circuit characteristics A. Objectives: 1. To study the basic characteristics of a transistor circuit. 2. To study the bias circuit of a transistor circuit. B. Apparatus: 1. DC Power supply 2. Experimental boards and corresponding components 3. Electronic calculator (prepared by students) 4. Digital camera (prepared by students for photo taking of the experimental results) 5. Laptop computer with the software PicoScope 6 and Microsoft Word installed. 6. PicoScope PC Oscilloscope and its accessories. 7. Digital multi-meter....
Q1. For the cascade amplifier circuit shown in Fig (1): a) What are the functions of the capacitors C, C2 and C3? And what are the functions of the capacitors Cs and CE? b) What are the functions of the resistors RD and Rc? c) Draw the DC biasing circuits for each stage. d) Find loa, VGsa, VDs and gm for the JFET stage (you may use either mathematical or graphical methods) e) Calculate l, Ic, le and Ve for...
In a small signal voltage amplifier using a pnp transistor shown below, the voltage gain is 350.2. The value of a-0.95. Find the equivalent model emitter resistance re in Ohms if Rc-4.1K2. The BJT is operating at room temperature and VBE 0.7V RE-10K CCI vi Cc2 Rc
In a small signal voltage amplifier using a pnp transistor shown below, the voltage gain is 350.2. The value of a-0.95. Find the equivalent model emitter resistance re in Ohms if Rc-4.1K2. The...
can
you do 4.83
Ar- Q Sea 100 V, what does the gain become? age at the collector. (b) Replacing the transistor by its T model, da the small-signal equivalent circuit of the a plifier. Analyze the resulting circuit to dete mine the voltage gain t/ 04.81 Consider the CE amplifier circuit of Fig. 4.43(a). It is required to design the circuit (i.e., find values for I and Rc) to meet the following specifications: (a) R,5kn (b) the voltage gain...
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