An amplifier has an input power level of 15mW and an output power level of 2W....
An amplifier has an input power level of 15mW and an output power level of 2W. Calculate the gain of the amplifier in decibels.
Calculate the input and output power levels of the amplifier in the above problem in dBm. Show that the difference between input dBm and output dBm is equal to the gain in relative dB calculated above.
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An amplifier has an input power level of 15mW and an output
power level of 2W....
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...
Question # B.5 signal power-level at the coresponding change in is signal power-level at the inpu...
Question # B.5 signal power-level at the coresponding change in is signal power-level at the input is kept constant? Is C a linear function of temperature? Justify (a) In a communication system, suppose the associated operating temperature is doubled. Then, what is the corresponding change in the system capacity (C), if the (b) A mixer-stage in a radio receiver has a NF-20 dB and this mixer-stage is preceded by a preamplifier with a NF 9 dB. The available power-gain ratio...
An amplifier under test has a gain of 25 dB. With an input signal level at f of -45 dBm, there ar...
An amplifier under test has a gain of 25 dB. With an input signal level at f of -45 dBm, there are spurious outputs at f2 which are -80 dBm and spurious outputs at f3 which are-65 dBm. As the input level in increased to -40 dBm, the signal at f2 increases to -65 dBm, while the signal at f3 increases to-55 dBm. Identify the source of the signal at f2 or fs and use the information provided to estimate...
1.14 An amplifier with a voltage gain of +40 dB, an input resistance of 10 kS2, and an output resistance of i kn is used to drive a l-kΩ load. What is the value of Apo? Find the value of the po...
1.14 An amplifier with a voltage gain of +40 dB, an input resistance of 10 kS2, and an output resistance of i kn is used to drive a l-kΩ load. What is the value of Apo? Find the value of the power gain in decibels.
1.14 An amplifier with a voltage gain of +40 dB, an input resistance of 10 kS2, and an output resistance of i kn is used to drive a l-kΩ load. What is the value of...
1. The Class A Power Amplifier: For the 0.4 Vpp, input: 1) what is the input power, the output power, the power gai...
1. The Class A Power Amplifier: For the 0.4 Vpp, input: 1) what is the input power, the output power, the power gain, DC power, and the efficiency ? 2) What is the maximum possible output power? 12V Re Cs Ci 100 Ω 47ถ sion 5101) C,
1. The Class A Power Amplifier: For the 0.4 Vpp, input: 1) what is the input power, the output power, the power gain, DC power, and the efficiency ? 2) What is the...
12 oblem # 6 The front-endof has a a radio receiver has a preamplifier followed by a mixer stage. The mixer stage with lactorN2-100 and the pre amplifier has NF, 9 dB. The overall noise factor of...
12 oblem # 6 The front-endof has a a radio receiver has a preamplifier followed by a mixer stage. The mixer stage with lactorN2-100 and the pre amplifier has NF, 9 dB. The overall noise factor of the 11.04. Suppose a signal of power-level equal to 5 dBm is watts,h imput of the preamplifier. Determine the output power-level of the preamplifier in Useful hint-Friis formula: SOLUTION
12 oblem # 6 The front-endof has a a radio receiver has a preamplifier...
Question # B.5 (a) In a communication system, suppose the associated operating temperature is dou...
Question # B.5 (a) In a communication system, suppose the associated operating temperature is doubled. Then, what is the corresponding change in the system capacity (C), if the signal power-level at the input is kept constant? Is C a linear function of temperature? Justify (b) A mixer-stage in a radio receiver has a NF 20 dB and this mixer-stage is preceded by a preamplifier with a NF - 9 dB. The available power-gain ratio of the amplifier is equal to...
1. The Class A Power Amplifier: For the 0.4 Vppinput: 1) what is the input power, the output power, the power gain,...
1. The Class A Power Amplifier: For the 0.4 Vppinput: 1) what is the input power, the output power, the power gain, DC power, and the efficiency ? 2) What is the maximum possible output power? +12V Rc C 100 Ω 4.7 ถ 510 Ω Sion Sata"
1. The Class A Power Amplifier: For the 0.4 Vppinput: 1) what is the input power, the output power, the power gain, DC power, and the efficiency ? 2) What is the maximum...
1. The voltage input to an amplifying circuit is 40mV, and the output is 3v calculate...
1. The voltage input to an amplifying circuit is 40mV, and the output is 3v calculate the voltage gain in volts and in decibels. 2. The gain of a filter is -0.4 dB. Determine the output power when Pin = 1.4 W
1. A high power amplifier is rated as having a gain of 36 dB. It receives...
1. A high power amplifier is rated as having a gain of 36 dB. It receives an input power of 10 mW. What is the output power? 2. An electrical circuit has voltage attenuation of -3dB. Calculate Vout /Vin
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...
Question # B.5 signal power-level at the coresponding change in is signal power-level at the input is kept constant? Is C a linear function of temperature? Justify (a) In a communication system, suppose the associated operating temperature is doubled. Then, what is the corresponding change in the system capacity (C), if the (b) A mixer-stage in a radio receiver has a NF-20 dB and this mixer-stage is preceded by a preamplifier with a NF 9 dB. The available power-gain ratio...
An amplifier under test has a gain of 25 dB. With an input signal level at f of -45 dBm, there are spurious outputs at f2 which are -80 dBm and spurious outputs at f3 which are-65 dBm. As the input level in increased to -40 dBm, the signal at f2 increases to -65 dBm, while the signal at f3 increases to-55 dBm. Identify the source of the signal at f2 or fs and use the information provided to estimate...
1.14 An amplifier with a voltage gain of +40 dB, an input resistance of 10 kS2, and an output resistance of i kn is used to drive a l-kΩ load. What is the value of Apo? Find the value of the power gain in decibels.
1.14 An amplifier with a voltage gain of +40 dB, an input resistance of 10 kS2, and an output resistance of i kn is used to drive a l-kΩ load. What is the value of...
1. The Class A Power Amplifier: For the 0.4 Vpp, input: 1) what is the input power, the output power, the power gain, DC power, and the efficiency ? 2) What is the maximum possible output power? 12V Re Cs Ci 100 Ω 47ถ sion 5101) C,
1. The Class A Power Amplifier: For the 0.4 Vpp, input: 1) what is the input power, the output power, the power gain, DC power, and the efficiency ? 2) What is the...
12 oblem # 6 The front-endof has a a radio receiver has a preamplifier followed by a mixer stage. The mixer stage with lactorN2-100 and the pre amplifier has NF, 9 dB. The overall noise factor of the 11.04. Suppose a signal of power-level equal to 5 dBm is watts,h imput of the preamplifier. Determine the output power-level of the preamplifier in Useful hint-Friis formula: SOLUTION
12 oblem # 6 The front-endof has a a radio receiver has a preamplifier...
Question # B.5 (a) In a communication system, suppose the associated operating temperature is doubled. Then, what is the corresponding change in the system capacity (C), if the signal power-level at the input is kept constant? Is C a linear function of temperature? Justify (b) A mixer-stage in a radio receiver has a NF 20 dB and this mixer-stage is preceded by a preamplifier with a NF - 9 dB. The available power-gain ratio of the amplifier is equal to...
1. The Class A Power Amplifier: For the 0.4 Vppinput: 1) what is the input power, the output power, the power gain, DC power, and the efficiency ? 2) What is the maximum possible output power? +12V Rc C 100 Ω 4.7 ถ 510 Ω Sion Sata"
1. The Class A Power Amplifier: For the 0.4 Vppinput: 1) what is the input power, the output power, the power gain, DC power, and the efficiency ? 2) What is the maximum...
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