Overall Noise Figure of Cascaded Networks Solution

STEP 0: Pre-Calculation Summary
Formula Used
Overall Noise Figure = Noise Figure Network 1+(Noise Figure Network 2-1)/Gain of Network 1
Fo = F1+(F2-1)/G1
This formula uses 4 Variables
Variables Used
Overall Noise Figure - (Measured in Decibel) - Overall Noise Figure quantifies how much the device degrades the signal-to-noise ratio (SNR) of the input signal as it passes through the system.
Noise Figure Network 1 - (Measured in Decibel) - Noise Figure Network 1 quantifies how much the device degrades the signal-to-noise ratio (SNR) of the input signal as it passes through the device.
Noise Figure Network 2 - (Measured in Decibel) - Noise Figure Network 2 quantifies how much the device degrades the signal-to-noise ratio (SNR) of the input signal as it passes through the device.
Gain of Network 1 - Gain of Network 1 is the measure of how much system amplifies or strengthens the signal during the transmission and reception.
STEP 1: Convert Input(s) to Base Unit
Noise Figure Network 1: 1.11 Decibel --> 1.11 Decibel No Conversion Required
Noise Figure Network 2: 1.21 Decibel --> 1.21 Decibel No Conversion Required
Gain of Network 1: 3.55 --> No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
Fo = F1+(F2-1)/G1 --> 1.11+(1.21-1)/3.55
Evaluating ... ...
Fo = 1.16915492957746
STEP 3: Convert Result to Output's Unit
1.16915492957746 Decibel --> No Conversion Required
FINAL ANSWER
1.16915492957746 1.169155 Decibel <-- Overall Noise Figure
(Calculation completed in 00.004 seconds)

Credits

Created by Santhosh Yadav
Dayananda Sagar College Of Engineering (DSCE), Banglore
Santhosh Yadav has created this Calculator and 50+ more calculators!
Verified by Ritwik Tripathi
Vellore Institute of Technology (VIT Vellore), Vellore
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14 Radar Antennas Reception Calculators

Omnidirectional SIR
Go Omnidirectional SIR = 1/(2*(Frequency Reuse Ratio-1)^(-Propagation Path Loss Exponent)+2*(Frequency Reuse Ratio)^(-Propagation Path Loss Exponent)+2*(Frequency Reuse Ratio+1)^(-Propagation Path Loss Exponent))
Dielectric Constant of Artificial Dielectric
Go Dielectric Constant of Artificial Dielectric = 1+(4*pi*Radius of Metallic Spheres^3)/(Spacing between Centers of Metallic Sphere^3)
Maximum Gain of Antenna given Antenna Diameter
Go Maximum Gain of Antenna = (Antenna Aperture Efficiency/43)*(Antenna Diameter/Dielectric Constant of Artificial Dielectric)^2
Metal-Plate Lens Refractive Index
Go Metal Plate Refractive Index = sqrt(1-(Incident Wave Wavelength/(2*Spacing between Centers of Metallic Sphere))^2)
Spacing between Centers of Metallic Sphere
Go Spacing between Centers of Metallic Sphere = Incident Wave Wavelength/(2*sqrt(1-Metal Plate Refractive Index^2))
Overall Noise Figure of Cascaded Networks
Go Overall Noise Figure = Noise Figure Network 1+(Noise Figure Network 2-1)/Gain of Network 1
Receiver Antenna Gain
Go Receiver Antenna Gain = (4*pi*Effective Area of Receiving Antenna)/Carrier Wavelength^2
Luneburg Lens Refractive Index
Go Luneburg Lens Refractive Index = sqrt(2-(Radial Distance/Radius of Luneburg Lens)^2)
Likelihood Ratio Receiver
Go Likelihood Ratio Receiver = Probability Density Function of Signal and Noise/Probability Density Function of Noise
Frequency Reuse Ratio
Go Frequency Reuse Ratio = (6*Signal to Co-channel Interference Ratio)^(1/Propagation Path Loss Exponent)
Directive Gain
Go Directive Gain = (4*pi)/(Beam Width in X-plane*Beam Width in Y-plane)
Signal to Co-channel Interference Ratio
Go Signal to Co-channel Interference Ratio = (1/6)*Frequency Reuse Ratio^Propagation Path Loss Exponent
Effective Aperture of Lossless Antenna
Go Effective Aperture of Lossless Antenna = Antenna Aperture Efficiency*Physical Area of an Antenna
Effective Noise Temperature
Go Effective Noise Temperature = (Overall Noise Figure-1)*Noise Temperature Network 1

Overall Noise Figure of Cascaded Networks Formula

Overall Noise Figure = Noise Figure Network 1+(Noise Figure Network 2-1)/Gain of Network 1
Fo = F1+(F2-1)/G1

How does Noise Figure of Cascaded Networks affect Noise Performance?

In practical terms, a lower noise figure indicates a better noise performance. A system with a lower noise figure will add less noise to the signal, preserving a higher SNR, which is important in applications where signal quality is crucial, such as in radio communication or data transmission.

How to Calculate Overall Noise Figure of Cascaded Networks?

Overall Noise Figure of Cascaded Networks calculator uses Overall Noise Figure = Noise Figure Network 1+(Noise Figure Network 2-1)/Gain of Network 1 to calculate the Overall Noise Figure, Overall Noise Figure of Cascaded Networks is a measure of the noise performance of an electronic or RF (radio frequency) system, such as an amplifier, receiver, or any device that processes signals. It quantifies how much the device degrades the signal-to-noise ratio (SNR) of the input signal as it passes through the cascaded netwroks. Overall Noise Figure is denoted by Fo symbol.

How to calculate Overall Noise Figure of Cascaded Networks using this online calculator? To use this online calculator for Overall Noise Figure of Cascaded Networks, enter Noise Figure Network 1 (F1), Noise Figure Network 2 (F2) & Gain of Network 1 (G1) and hit the calculate button. Here is how the Overall Noise Figure of Cascaded Networks calculation can be explained with given input values -> 1.169155 = 1.11+(1.21-1)/3.55.

FAQ

What is Overall Noise Figure of Cascaded Networks?
Overall Noise Figure of Cascaded Networks is a measure of the noise performance of an electronic or RF (radio frequency) system, such as an amplifier, receiver, or any device that processes signals. It quantifies how much the device degrades the signal-to-noise ratio (SNR) of the input signal as it passes through the cascaded netwroks and is represented as Fo = F1+(F2-1)/G1 or Overall Noise Figure = Noise Figure Network 1+(Noise Figure Network 2-1)/Gain of Network 1. Noise Figure Network 1 quantifies how much the device degrades the signal-to-noise ratio (SNR) of the input signal as it passes through the device, Noise Figure Network 2 quantifies how much the device degrades the signal-to-noise ratio (SNR) of the input signal as it passes through the device & Gain of Network 1 is the measure of how much system amplifies or strengthens the signal during the transmission and reception.
How to calculate Overall Noise Figure of Cascaded Networks?
Overall Noise Figure of Cascaded Networks is a measure of the noise performance of an electronic or RF (radio frequency) system, such as an amplifier, receiver, or any device that processes signals. It quantifies how much the device degrades the signal-to-noise ratio (SNR) of the input signal as it passes through the cascaded netwroks is calculated using Overall Noise Figure = Noise Figure Network 1+(Noise Figure Network 2-1)/Gain of Network 1. To calculate Overall Noise Figure of Cascaded Networks, you need Noise Figure Network 1 (F1), Noise Figure Network 2 (F2) & Gain of Network 1 (G1). With our tool, you need to enter the respective value for Noise Figure Network 1, Noise Figure Network 2 & Gain of Network 1 and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
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