1) What is the gain at 100Hz for an amplifier that has a mid-band gain of...
1) What is the gain at 100Hz for an amplifier that has a mid-band gain of 5000, a lower cutoff frequency of 10kHz, and a upper cutoff frequency of 200kHz
2)Calculate the decibel power gain for an Ap= 50?
3)If the decibel voltage gain of an amplifier is 60dB, what is the voltage gain (Av)?
4)If the decibel power gain of an amplifier is 20dB, what is the power gain (AP)?
5)For a two stage amplifier with AV1(DB) equal to 20 dB and AV2(DB) equal to 40dB what is the overall voltage gain (AV)?
Homework Answers
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1) What is the gain at 100Hz for an amplifier that has a
mid-band gain of...
For the amplifier shown in figure 1, calculate the mid -band voltage gain, and the 3...
For the amplifier shown in figure 1, calculate the mid -band voltage gain, and the 3 dB high frequency cut-off. The unity gain frequency is 5 MHz for the BJT used, with ß-100, c -2 pF. 1. +12 V 2k out 72k C-20LUF 1k 10 24k 1k. V. Fig. 1
1. An amplifier has a voltage gain Av equal to 20. An input voltage v of...
1. An amplifier has a voltage gain Av equal to 20. An input voltage v of 150 mVs applied to the input of the amplifier. What is the output voltage vo? Rs 2. For the amplifier in Problem 3, assume the input current i is 2 mA, and the output current io is 10 mA. What is the current gain A, ? Assuming the amplifier as described above has an output resistance is 0 ohms, what is the load resistance...
Small-Signal Mid- Band Voltage Gain (Range) Transistors Amplifier Confiaurations +2) to (+5 P-JFET Common Gate By referring to a specific transistor datasheet, design a single stage amplifier circuit...
Small-Signal Mid- Band Voltage Gain (Range) Transistors Amplifier Confiaurations +2) to (+5 P-JFET Common Gate By referring to a specific transistor datasheet, design a single stage amplifier circuit with the following specifications. Include in your design, (i) the amplifier circuit, (ii) DC & AC equivalent circuits, (ii) DC & AC analysis and (iv) frequency response. State your assumptions, if any.
Small-Signal Mid- Band Voltage Gain (Range) Transistors Amplifier Confiaurations +2) to (+5 P-JFET Common Gate By referring to a specific...
3) BJT Gain Stage 1 mA BJT Parameters β 100 nVr-30 mV 5V Vo 6meg c,,-8 pF Vi 500 27u Vs VB is an ...
3) BJT Gain Stage 1 mA BJT Parameters β 100 nVr-30 mV 5V Vo 6meg c,,-8 pF Vi 500 27u Vs VB is an ideal dc voltage source a) What type of gain stage is realized by this BJT amplifier? b) Find a value for the input resistance Ri seen at node Vi. c) Find a value for the mid-band voltage gain Av-Vo/Vs. d) Determine the upper corner frequency fp2 imposed by the parasitic caps of the BJT
3) BJT...
1. The amplifier in Figure 1 has a voltage gain of A 200. input resistance Ri 50ks2, and output r...
please write neatly
1. The amplifier in Figure 1 has a voltage gain of A 200. input resistance Ri 50ks2, and output resistance Ro-5000. Find the values of R, R3, C, and L so that the oscillation frequency is Amplifier R AV (a) Voltage-controlled voltage source Figure 1
1. The amplifier in Figure 1 has a voltage gain of A 200. input resistance Ri 50ks2, and output resistance Ro-5000. Find the values of R, R3, C, and L so that...
Draw and explain the gain frequency characteristic of a resistance–capacitance-coupled amplifier. Reference should be made to...
Draw and explain the gain frequency characteristic of a resistance–capacitance-coupled amplifier. Reference should be made to mid-band frequencies and to cutoff points. An amplifier has an open-circuit voltage gain of 800, an output resistance of 20 Ω and an input resistance of 5 kΩ. It is supplied from a signal source of e.m.f. 10 mV and internal resistance 5 kΩ. If the amplifier supplies a load of 30 Ω, .
A) For the common source amplifier below, calculate the small signal gain Av-Vovi (from the trans...
Please do part a only
a) For the common source amplifier below, calculate the small signal gain Av-Vovi (from the transistor gate to the output node), the input resistance Rin, the output resistance Rout, and the overall voltage gain Gv-Vo/Vs (from the voltage source to the output node. Assume that the capacitors act as AC shorts and that the transistor's ro is infinite (can be neglected). Note, you can use the small signal parameters that you solved for in Problem...
22. 1) 11 points) Calculate Voltage gain A an ain Av2 of second amplifier Q2. And...
22. 1) 11 points) Calculate Voltage gain A an ain Av2 of second amplifier Q2. And calculate total Vo coupled amplifier. age gain Avi of first amplifier Qi and Voltage g Otal Voltage gain Av of the two-stage capacitor- 2 9乙 Question 3 (45 points): Using the follo two-stage capacitor-coupled amplifier s in the rgure. Vec-i 100 RI R2 The Second Amplifier Q2 100 Ril R22 500Ω 500 Ω +15 V 2N3904 R 1 4 k RC 2 k 47...
A MOSFET common-source amplifier has gm=1.8mA/V, ro=100KΩ, RD=10KΩ, Cgs=2pF, Cgd=0.4pF. The amplifier is fed from a...
A MOSFET common-source amplifier has gm=1.8mA/V, ro=100KΩ, RD=10KΩ, Cgs=2pF, Cgd=0.4pF. The amplifier is fed from a voltage source with an internal resistance of 500KΩ and the output is connected to a 10KΩ load. If the lower cutoff frequency (fL) is 10KHz, find the Gain-bandwidth product of this amplifier in (dB) KHz (ignore the sign). Approximate your answer to 2 decimal point accuracy.
Quiz 2 A BJT amplifier has low-frequency cutoffs at 2 Hz, 400 Hz, and 800 Hz...
Quiz 2 A BJT amplifier has low-frequency cutoffs at 2 Hz, 400 Hz, and 800 Hz 1. How many dB/decade are lost between 2 Hz and 400 Hz? 2. What frequency is two decades below 800 Hz? 3. What frequency is three octaves above 2 Hz? 4. If the mid-band gain of the amplifier is 1, what is the gain in dB at 20 Hz? 5. If the mid-band gain of the amplifier is 1, what is the gain in...
For the amplifier shown in figure 1, calculate the mid -band voltage gain, and the 3 dB high frequency cut-off. The unity gain frequency is 5 MHz for the BJT used, with ß-100, c -2 pF. 1. +12 V 2k out 72k C-20LUF 1k 10 24k 1k. V. Fig. 1
1. An amplifier has a voltage gain Av equal to 20. An input voltage v of 150 mVs applied to the input of the amplifier. What is the output voltage vo? Rs 2. For the amplifier in Problem 3, assume the input current i is 2 mA, and the output current io is 10 mA. What is the current gain A, ? Assuming the amplifier as described above has an output resistance is 0 ohms, what is the load resistance...
Small-Signal Mid- Band Voltage Gain (Range) Transistors Amplifier Confiaurations +2) to (+5 P-JFET Common Gate By referring to a specific transistor datasheet, design a single stage amplifier circuit with the following specifications. Include in your design, (i) the amplifier circuit, (ii) DC & AC equivalent circuits, (ii) DC & AC analysis and (iv) frequency response. State your assumptions, if any.
Small-Signal Mid- Band Voltage Gain (Range) Transistors Amplifier Confiaurations +2) to (+5 P-JFET Common Gate By referring to a specific...
3) BJT Gain Stage 1 mA BJT Parameters β 100 nVr-30 mV 5V Vo 6meg c,,-8 pF Vi 500 27u Vs VB is an ideal dc voltage source a) What type of gain stage is realized by this BJT amplifier? b) Find a value for the input resistance Ri seen at node Vi. c) Find a value for the mid-band voltage gain Av-Vo/Vs. d) Determine the upper corner frequency fp2 imposed by the parasitic caps of the BJT
3) BJT...
please write neatly
1. The amplifier in Figure 1 has a voltage gain of A 200. input resistance Ri 50ks2, and output resistance Ro-5000. Find the values of R, R3, C, and L so that the oscillation frequency is Amplifier R AV (a) Voltage-controlled voltage source Figure 1
1. The amplifier in Figure 1 has a voltage gain of A 200. input resistance Ri 50ks2, and output resistance Ro-5000. Find the values of R, R3, C, and L so that...
Please do part a only
a) For the common source amplifier below, calculate the small signal gain Av-Vovi (from the transistor gate to the output node), the input resistance Rin, the output resistance Rout, and the overall voltage gain Gv-Vo/Vs (from the voltage source to the output node. Assume that the capacitors act as AC shorts and that the transistor's ro is infinite (can be neglected). Note, you can use the small signal parameters that you solved for in Problem...
22. 1) 11 points) Calculate Voltage gain A an ain Av2 of second amplifier Q2. And calculate total Vo coupled amplifier. age gain Avi of first amplifier Qi and Voltage g Otal Voltage gain Av of the two-stage capacitor- 2 9乙 Question 3 (45 points): Using the follo two-stage capacitor-coupled amplifier s in the rgure. Vec-i 100 RI R2 The Second Amplifier Q2 100 Ril R22 500Ω 500 Ω +15 V 2N3904 R 1 4 k RC 2 k 47...
Quiz 2 A BJT amplifier has low-frequency cutoffs at 2 Hz, 400 Hz, and 800 Hz 1. How many dB/decade are lost between 2 Hz and 400 Hz? 2. What frequency is two decades below 800 Hz? 3. What frequency is three octaves above 2 Hz? 4. If the mid-band gain of the amplifier is 1, what is the gain in dB at 20 Hz? 5. If the mid-band gain of the amplifier is 1, what is the gain in...
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