Image Frequency Calculator

✖Received Signal Frequency is that frequency which is obtained at the receiver end of a Radio Channel.ⓘ Received Signal Frequency [F_RF]			+10% -10%
✖Intermediate Frequency is a frequency to which a carrier wave is shifted as an intermediate step in transmission or reception.ⓘ Intermediate Frequency [f_im]			+10% -10%

✖Image Frequency is defined as the sum of received signal and twice the intermediate frequency.ⓘ Image Frequency [f_img]

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Image Frequency Solution

STEP 0: Pre-Calculation Summary

Formula Used

Image Frequency = Received Signal Frequency+(2*Intermediate Frequency)
f_img = F_RF+(2*f_im)
This formula uses 3 Variables

Variables Used

Image Frequency - (Measured in Hertz) - Image Frequency is defined as the sum of received signal and twice the intermediate frequency.
Received Signal Frequency - (Measured in Hertz) - Received Signal Frequency is that frequency which is obtained at the receiver end of a Radio Channel.
Intermediate Frequency - (Measured in Hertz) - Intermediate Frequency is a frequency to which a carrier wave is shifted as an intermediate step in transmission or reception.

STEP 1: Convert Input(s) to Base Unit

Received Signal Frequency: 55 Hertz --> 55 Hertz No Conversion Required
Intermediate Frequency: 70 Hertz --> 70 Hertz No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

f_img = F_RF+(2*f_im) --> 55+(2*70)

Evaluating ... ...

f_img = 195

STEP 3: Convert Result to Output's Unit

195 Hertz --> No Conversion Required

FINAL ANSWER

195 Hertz <-- Image Frequency

(Calculation completed in 00.020 seconds)

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Created by Rachita C

BMS College Of Engineering (BMSCE), Banglore

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BMS College of Engineering (BMSCE), Bangalore

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< Fundamentals of Analog Communications Calculators

Intermediate Frequency

LaTeX Go Intermediate Frequency = (Local Oscillation Frequency-Received Signal Frequency)

Transmission Efficiency with respect to Modulation Index

LaTeX Go Transmission Efficiency of AM Wave = Modulation Index^2/(2+Modulation Index^2)

Image Frequency

LaTeX Go Image Frequency = Received Signal Frequency+(2*Intermediate Frequency)

Crest Factor

LaTeX Go Crest Factor = Peak Value of Signal/RMS Value of Signal

Image Frequency Formula

LaTeX Go

Image Frequency = Received Signal Frequency+(2*Intermediate Frequency)
f_img = F_RF+(2*f_im)

How Image Frequency is rejected?

The image rejection ratio, or image frequency rejection ratio, is the ratio of the intermediate-frequency (IF) signal level produced by the desired input frequency to that produced by the image frequency. The image rejection ratio is usually expressed in dB.

How to Calculate Image Frequency?

Image Frequency calculator uses Image Frequency = Received Signal Frequency+(2*Intermediate Frequency) to calculate the Image Frequency, Image Frequency is defined as the sum of received signal and twice the intermediate frequency. Image Frequency is denoted by f_img symbol.

How to calculate Image Frequency using this online calculator? To use this online calculator for Image Frequency, enter Received Signal Frequency (F_RF) & Intermediate Frequency (f_im) and hit the calculate button. Here is how the Image Frequency calculation can be explained with given input values -> 195 = 55+(2*70).

FAQ

What is Image Frequency?

Image Frequency is defined as the sum of received signal and twice the intermediate frequency and is represented as f_img = F_RF+(2*f_im) or Image Frequency = Received Signal Frequency+(2*Intermediate Frequency). Received Signal Frequency is that frequency which is obtained at the receiver end of a Radio Channel & Intermediate Frequency is a frequency to which a carrier wave is shifted as an intermediate step in transmission or reception.

How to calculate Image Frequency?

Image Frequency is defined as the sum of received signal and twice the intermediate frequency is calculated using Image Frequency = Received Signal Frequency+(2*Intermediate Frequency). To calculate Image Frequency, you need Received Signal Frequency (F_RF) & Intermediate Frequency (f_im). With our tool, you need to enter the respective value for Received Signal Frequency & Intermediate Frequency 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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