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QUESTION 6 A stiff voltage divider is one in which a. there is no load current...
QUESTION 12 To improve the efficiency of an amplifier, you have to a reduce load power...
QUESTION 12 To improve the efficiency of an amplifier, you have to a reduce load power b. increase supply current OC. reduce supply voltage od decrease unwanted power losses QUESTION 13 If the output of a transistor amplifier is 5 V rms and the input is 100 mVrms the voltage gain is O as w 6.500 O c 50 d. 100 QUESTION 14 If the DC current gain of a certain transistor operating in the linear region is 30 and...
x=4 Question 3: The parameters of both bjt are as follows: base emitter turn on voltage...
x=4
Question 3: The parameters of both bjt are as follows: base emitter turn on voltage is VBE,ON = 0.7 V, early voltage VA = 0, ac current gain B = 99. Small signal ac voltage source viis applied to the base of Q1 through a large capacitor. The resistors on the left branch are 63 X and 37xX2 (63 times X and 37 times X, note that these are not k2!!!). The remaining resistors are 4 k 2, 3...
VA is the early voltage. i dont think that id necessary to solve the question though....
VA
is the early voltage. i dont think that id necessary to solve the
question though.
+ 3 V 22. 10 k 2 In the emitter follower shown, the signal source is directly connected to the base. The de component of Us is zero. The transistor has B = 100 and VA = 125 V. What is the output resistance of the follower? Find the gain vo/Us with no load and with a load of 1 k 2. With the...
electronics question #3 (5 pts.) A BJT amplifier has the voltage gain of 80, absolute voltage gain of 60, current gain of 40, and source resistance of 1 k2. Find the load resistance (no need to kn...
electronics question
#3 (5 pts.) A BJT amplifier has the voltage gain of 80, absolute voltage gain of 60, current gain of 40, and source resistance of 1 k2. Find the load resistance (no need to know the circuit or amplifier type).
#3 (5 pts.) A BJT amplifier has the voltage gain of 80, absolute voltage gain of 60, current gain of 40, and source resistance of 1 k2. Find the load resistance (no need to know the circuit or...
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...
1.0 kn. RE-390 Ω, r-15 Ω. and ßac-75. 5. For a common-emitter amplifier, Rc Assuming that Rg is completely bypassed at the operating frequency, the voltage gain is (a) 66.7 (d) 75 (b) 2.56 (c) 2....
1.0 kn. RE-390 Ω, r-15 Ω. and ßac-75. 5. For a common-emitter amplifier, Rc Assuming that Rg is completely bypassed at the operating frequency, the voltage gain is (a) 66.7 (d) 75 (b) 2.56 (c) 2.47 6. In the circuit of Question 5, if the frequency is reduced to the point where Xctbypass) RE, the voltage gain (a) remains the same (b) is less (c) is greater 7. In a common-emitter amplifier with voltage-divider bias, Rimlbase) 68 k2, Ri 33...
Question 3. Unregulated supply Rz IL Vin IR Ib (a) The circuit on the right shows...
Question 3. Unregulated supply Rz IL Vin IR Ib (a) The circuit on the right shows a series regulator connected to the output of an unregulated power supply. The transistor has B =50, and a 6 volt Zener diode is used. When the load current, Il, is 1 amp the de input voltage from the unregulated supply, Vin, is 11 volt, VBE = 1 volt and the Zener diode current, Iz, is 20 mA. For these conditions, calculate Iz (i)...
Question 1: 7.33 +15V 1O MO R-200k 16n 7k MO 7.33 Figure P7.33 shows a discrete-circuit...
Question 1: 7.33 +15V 1O MO R-200k 16n 7k MO 7.33 Figure P7.33 shows a discrete-circuit amplifier. The input signal is coupled to the gate through a very large capacitor (shown as infinite). The transistor source is connected to ground at signal frequencies via a very large capacitor (shown as infinite). The output voltage signal that develops at the drain is coupled to a load resistance via a very large capacitor (shown as infinite). All capacitors behave as short circuits...
Problem 2 (10 points) In the amplifier shown in Fig. 2(a), assume Fig. 2(b) that I4 is ideal. Do not ignore the ro of t...
Problem 2 (10 points) In the amplifier shown in Fig. 2(a), assume Fig. 2(b) that I4 is ideal. Do not ignore the ro of the transistors for this problem, but you can assume that Ri is much smaller than any transistor o I1 and I2 ideal current sources. Also, assume in are (a) Find the small signal differential gain out/vdm of the Fig. 2(a) amplifier in terms of the appropriate small-signal parameters. Then express your answer in terms of appropriate...
Problem Consider a voltage amplifier having a frequency response of the low-pass STC 1ype with a de gain of 60 dB a...
Problem Consider a voltage amplifier having a frequency response of the low-pass STC 1ype with a de gain of 60 dB and a 3-dB frequency of 1000 Hz Find the gain in dB at f- 10 Hz, 10kHz, 100 kHz, and 1 MHz Problem For the circuit shown below first, evalusteand the coresponding comer froquency. Second evalmt and the corresponding comer froquency. At the end caloulate overall transfer function T(w)= and reurite it in the standard fom ( and draw...
QUESTION 12 To improve the efficiency of an amplifier, you have to a reduce load power b. increase supply current OC. reduce supply voltage od decrease unwanted power losses QUESTION 13 If the output of a transistor amplifier is 5 V rms and the input is 100 mVrms the voltage gain is O as w 6.500 O c 50 d. 100 QUESTION 14 If the DC current gain of a certain transistor operating in the linear region is 30 and...
x=4
Question 3: The parameters of both bjt are as follows: base emitter turn on voltage is VBE,ON = 0.7 V, early voltage VA = 0, ac current gain B = 99. Small signal ac voltage source viis applied to the base of Q1 through a large capacitor. The resistors on the left branch are 63 X and 37xX2 (63 times X and 37 times X, note that these are not k2!!!). The remaining resistors are 4 k 2, 3...
VA
is the early voltage. i dont think that id necessary to solve the
question though.
+ 3 V 22. 10 k 2 In the emitter follower shown, the signal source is directly connected to the base. The de component of Us is zero. The transistor has B = 100 and VA = 125 V. What is the output resistance of the follower? Find the gain vo/Us with no load and with a load of 1 k 2. With the...
electronics question
#3 (5 pts.) A BJT amplifier has the voltage gain of 80, absolute voltage gain of 60, current gain of 40, and source resistance of 1 k2. Find the load resistance (no need to know the circuit or amplifier type).
#3 (5 pts.) A BJT amplifier has the voltage gain of 80, absolute voltage gain of 60, current gain of 40, and source resistance of 1 k2. Find the load resistance (no need to know the circuit or...
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...
1.0 kn. RE-390 Ω, r-15 Ω. and ßac-75. 5. For a common-emitter amplifier, Rc Assuming that Rg is completely bypassed at the operating frequency, the voltage gain is (a) 66.7 (d) 75 (b) 2.56 (c) 2.47 6. In the circuit of Question 5, if the frequency is reduced to the point where Xctbypass) RE, the voltage gain (a) remains the same (b) is less (c) is greater 7. In a common-emitter amplifier with voltage-divider bias, Rimlbase) 68 k2, Ri 33...
Question 3. Unregulated supply Rz IL Vin IR Ib (a) The circuit on the right shows a series regulator connected to the output of an unregulated power supply. The transistor has B =50, and a 6 volt Zener diode is used. When the load current, Il, is 1 amp the de input voltage from the unregulated supply, Vin, is 11 volt, VBE = 1 volt and the Zener diode current, Iz, is 20 mA. For these conditions, calculate Iz (i)...
Question 1: 7.33 +15V 1O MO R-200k 16n 7k MO 7.33 Figure P7.33 shows a discrete-circuit amplifier. The input signal is coupled to the gate through a very large capacitor (shown as infinite). The transistor source is connected to ground at signal frequencies via a very large capacitor (shown as infinite). The output voltage signal that develops at the drain is coupled to a load resistance via a very large capacitor (shown as infinite). All capacitors behave as short circuits...
Problem 2 (10 points) In the amplifier shown in Fig. 2(a), assume Fig. 2(b) that I4 is ideal. Do not ignore the ro of the transistors for this problem, but you can assume that Ri is much smaller than any transistor o I1 and I2 ideal current sources. Also, assume in are (a) Find the small signal differential gain out/vdm of the Fig. 2(a) amplifier in terms of the appropriate small-signal parameters. Then express your answer in terms of appropriate...
Problem Consider a voltage amplifier having a frequency response of the low-pass STC 1ype with a de gain of 60 dB and a 3-dB frequency of 1000 Hz Find the gain in dB at f- 10 Hz, 10kHz, 100 kHz, and 1 MHz Problem For the circuit shown below first, evalusteand the coresponding comer froquency. Second evalmt and the corresponding comer froquency. At the end caloulate overall transfer function T(w)= and reurite it in the standard fom ( and draw...
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