3. CommScope has introduced a new Universal Band and Block PIM Calculator to help. SIFM is the software for rapid calculation of intermodulation. Calculating the cascaded values for 3rd-order intercept point (IP3) for the system budget requires use of ratios for gain and power levels for IP3 (do not use dB and dBm values, respectively). Two frequency intermodulation products. We believe that a strong basic financial education is the key to living within your means, avoiding bad debt, and becoming financially. In a gem of a paper, Hemmi explored the intermodulation product calculation problem ori-ented around the classic non-linear amplifier studies of Ha [5], but only considered the effects of a third order system [1]. e. " Type Amortization in the search box and you'll see the Simple Loan Calculator. You'll see a tool tip in the top left corner of the sheet as well as when you select the cells containing the loan details at the top. Voltage Biased Amplifier Circuit. Reflection Calculator. It considers the transmitted frequencies through the specified level of harmonics, taking into account all possible combinations of the proposed facilities. Intermodulation Calculator Help Overview. IP3 is not a directly measured mixer parameter like conversion loss, return loss, or isolation. Written in python3 and go - GitHub - panjacek/PIM_Calculator: Passive Intermodulation Calculator for RF antennas. Passive Intermodulation Calculator for RF antennas. In the example of Fig. 7. At this transponder operating point, the operating margin is equal to 5. The current version V2323 which can be downloaded below, is an intermediate pre-release of V2400 which is under development at present and has some limited functionalities. 영어 사전에서 intermodulation 뜻과 용례 intermodulation 동의어 및 25개국어로 intermodulation 번역 Educalingo 쿠키 를 통해 개별화된 광고를 제공하고 웹 트래픽 통계를 사용하고 있습니다. Type the equation you want to calculate. Set up the amortization table. B. The formula/equation for this RF Intermodulation calculator is also mentioned. F1 and F2 are the minimum inputs needed to use the ISCO PIM Calculator. The meaning of INTERMODULATION is the production in an electrical device of currents having frequencies equal to the sums and differences of frequencies supplied. Featured Intermodulation free downloads and reviews. This can be calculated with calculators (excel), but it is often done by the manufacturer by means of preset frequencies. The third-order intermodulation (IM3) power is -69 dBm, and the 52-dB differenceFor a given frequency, knowing the third order intercept point allows calculation of the approximate level of the third-order IMD products as a function of output signal level. But there's more. As a very basic example, suppose you have two transmitters at a site, one operating on 150MHz and. The new calculator includes regional tabs that contain the default bands used in that region and supports both frequency division duplex FDD and time division duplex TD Spur calculator Mk 2. One of the most important characteristics is that it will have associated TX and RX frequency repairs, each with its own channel name. IP3 is a figure of merit of device linearity based on the relationship between a 2-tone analytic signal and its resulting self-intermodulation terms. 1, -10 dBm RF input produces -17 dBm IF output (Point 1 on the graph), so that conversion loss is 7 dB. This page provides figures that may be used in the link budget calculator. Use mortgage calculator templates to. The Garrison Golf Club has different Services to offer. 0 and 100. IM3 at 2f2 – f1: P IIM3 (dBm) = 2 · P 2 + PIn audio and communication systems, the most noticeable types of distortion are amplitude, non-flat frequency response, harmonic, intermodulation, and phase distortion. 99999 nm. Finally, as the input signal level is swept to higher values, it becomes clear when the third-order intermodulation products are the same intensity as the input signal spectrum (IOP3 point in power amplifiers). Calculate a percentage of increase. jpeg, . -Introduction of Passive Intermodulation calculator and safe freq assigner (upto 11 frequencies)-Adding Grid Detail View – double-click row header for detailed view. DCF Formula in Excel. Three sequences describe the frequency sum products. This Excel spreadsheet is an all-in-one home mortgage calculator. The most prominent during a two tone test would be the intermodulation products at 2f1-f2, 2f2-f1 and third harmonics at 3f1 and 3f2. ONVIF Device Manager. Suppose you have the last month prices in column B and this month prices in column C. Intermodulation products are noise sources, and they lower the SNR. 10B € 1 Èÿ Arial1 h ÿ Arial1 ð ÿ Arial1 È ÿ ArialV General 0 0. Features. Data Types: logicalUsing an intermodulation calculator is relatively straightforward. 00 MHz. 1. Calculates the point at which a line will intersect the y-axis by using existing x-values and y-values. Here’s how that looks: I created a discount rate named range so that it’s easy to reference the percentage and to change it. This is a large and very visible forum. Get this excel template customized with. A. Click on the image to see what we did in detail. Device noise calculation is as follow: A graphical analysis easily shows how to perform a cascaded system noise figure calculation: System noise figure is given by: The last term is the familiar Friis formula for noise factor. Up to 1000 transmit and 1000 receive frequencies can be entered with a frequency range from 0 Hz to 999,999. A convenient way to introduce the IP3 concept is to describe how intermodulation products vary relative to desired output signal level. A: Intermodulation interference (or "intermod") results when two or more frequency components combine in a way that interferes with another frequency. Begin by choosing a spreadsheet software program such as Google Sheets, Microsoft Excel, LibreOffice Calc, or Open Office Calc. waveguide dimensions table - describes WR sizes,frequency,dimensions (broad,narrow) in inch and mm. ) products are observed, because they fall into the spectrum of interest. RF Harmonic Measurement setup. Interpolating Between Two Values by Applying Mathematical Formula. Intermodulation product generation in a power amplifier. OFDM is used in a number of communication and networking standards, including LTE, Wi-Fi, DOCSIS cable modems, MOCA home networking etc. Log in / Sign up. The image from the spectrum analyser below shows signals on channels 2 and 3, 863. , IP3 for units of dBm. Using the above results, we get the relation between the OIP3 and IM3 for unequal two-tones IM3low = (3 4C3v2lowvhi)2. bowman's beach fitness trail; what other bugs can be in your hair besides lice. Shure Wireless Workbench. AA3RL Transmission Line Calculator Excel spreasheet that calculate virtually every transmission line parameter that one may need. It is, IMHO, important to report intermodulation and noise separately, as the intermodulation result, although lost in the noise at lower signal levels, will increase rapidly, and the reporting of actual intermodulation dynamic range and intercept point (IP3) allows some extrapolation between the intermodulation at the noise floor and the. To copy columns of data from an Excel spread sheet, highlight the column of frequencies to be copied in Excel and select copy. 99999 nm. This PIM calculator checks for any 3rd, 5th and/or 7th order products within a specified tolerance for up to 12 discrete transmitting and receiving frequencies. However, when subject to the high RF powers found in. RF Calculators Spreadsheet. We know that the intermodulation calculator helps in calculating the IMD products, and is based on 2 frequencies. Our Intermodulation Calculator simplifies the complex process of identifying potential signal interference. Download Intermod - Calculate possible inter-modulation products within wireless microphone systems. Passive Intermodulation (PIM) calculations and analysis based on component PIM ratings BUILDING MODELING Create multiple buildings Multi-layered oor plans with layout plans, walls, system equipment, cables, and more Import oor plans from . Then copy again to F-Intermod. Causes of intermodulation. Its computational engine rapidly generates frequency sets of intermodulation distortion-free radio frequencies, applying user-defined signal bandwidths and. Hi Mark, I am really happy I found you with your way of explaining things – you saved my day, or perhaps my month. Go to sheet 1 and insert the data as shown below. With the ever growing amount of wireless gear used for live events. The first major new release of RF Cafe's spreadsheet (Excel) based engineering and science calculator is now available: Espresso Engineering Workbook™. dwg, . Then in F-Intermod input table click on the first frequency cell that has been copied, right click and select. Since 2002, the original Calculator Workbook has been available as a free download. The INTERCEPT function in Excel calculates the y-intercept of a linear regression line that includes a set of data points. Here's a Wikipedia article. This value is usually calculated by discounting any obsticles or reflections that might occour. Does anyone know of any free web or excel based intermod (5th order min. Also, it does not tally with the SBI way of calculating the interest (as per SBI – ‘SBI charges interest on daily reducing balance’). Download Now. Intermod Assist is an intermodulation analysis and frequency coordination application. Download popular programs, drivers and latest updates easily. IMD is measured by examining the output of a D evice U nder T est (DUT) with a spectrum analyser while the DUT is being stimulated with a two-tone-rf test signal. PIM (Passive Inter Modulation). [1] Since both input and output P 1dB and IP3 are reflected about the gain (“linear response”) curve, we can expect them to be directly related by the system gain, as we will see in a subsequent section. 55 – 8. Then. We identify a normalization factor . For example, to add up 5 and 7, you type =5+7. FLO is the local oscillator (LO) frequency. (MHz) This PIM calculator allows entry of up to 12 disrete transmit and receive frequencies. Following is the list of useful converters and calculators. Savings Snowball Calculator . 6. Step 2: Create headers for Multiplication, Summation, Subtraction, and Square Root in row one. Third order distortion causes multiple unwanted products. When measuring intermodulation products with a spectrum analyzer a similar situation as with cascaded active devices can occur. gif or . The interesting term is the intermodulation at 2ω2 ±ω1 By symmetry, then, we also generate a term like a3S 2 1S2 3 4 cos(2ω1 ±ω2) Notice that if ω1 ≈ ω2, then the intermodulation 2ω2 −ω1 ≈ ω1 A. See derivation below the calculator. ) that exhibits a nonlinear response. Examples include connection between connector and cable, junction between two different types of cable made of. Our Savings Calculator is a free spreadsheet that is simple to use and much more powerful than most online calculators that you'll find. Reach out to us. II. This is the calculated monthly payment for a 30-year mortgage with an interest rate of. As. With over 50 different LTE frequency bands the threat for PIM passive intermodulation is high. Visit the home page sennheiser. The free space path loss formula. The amplitude of the intermodulation product plays a key role in degrading the desired signal. 3. e. It is also called as RF IMD calculator. To begin with, we need to create the outline of our calculator first. 0. com. Interference due to intermodulation generally occurs when at least two transmitters close to the receiving antenna produce very strong signals in the receiver. ) calculators?Let’s look at how to interpolate in Excel on some real data. If there is something in the microwave universe that you need a different calculator for, drop us a note and we'll see what we can do to include it here. No specific info about version 5. 3. Article 05/05/2022; 3 contributors Applies to: Microsoft Office Excel 2007, Excel 2010, Excel 2013, Excel 2016; Feedback. Update 11/12/2015: The main download and the Google. In addition to the desired output frequency, mixers also produce intermodulation products (also called mixer spurs), which are unwanted side effects of their nonlinearity. With Start times. ). 11 = 5. Calculate the monthly payments, total interest, and the amount of the balloon payment for a simple loan using this Excel spreadsheet template. Fifth Order. Written in python3 and go F-Intermod 5. Osvaldo Porto - Electrotechnical Engineer. Fifth Order. VirtualTablet Server. In this issue, we will focus on the generation and impact of intermodulation products. Go to all the month tabs (from “January Payroll” to “December Payroll”), including the “Year-to-Date Payroll” tab, and enter a new column between columns N and Q (the tax columns). Select Column, Select All and Delete. The core formula used by the Intermodulation Calculator is: F signifies the frequency of the intermodulation product. Step 1: Enter your Current Balance as of Month 1. It include antenna gain calculator, Antenna G/T ratio calculator, coaxial cable Impedance calculator, Noise temperature to Noise Figure Converter, Radar Range Calculator, resonant frequency calculator, wavelength to. The calculator calculates IMD (Intermodulation) products based on two fundamental frequencies. base stations. Spreadsheet is designed specifically for maintaining cost effective welding. 4. Our Payroll Template will help you to calculate and maintain the records of pay and deductions for each of your employees. Free Auto Loan, Amortization, Home Equity Loan, and Mortgage Calculators for Microsoft® Excel®. 00 >0 >0 800. With the ability to save an intermod study to disk, PRFIntermod becomes a field service tool that provides the technician a lot of help with the practical trouble shooting process. Input. Simply copy the Table and remove the data. . Here’s an explanation of what causes intermodulation. 1446. Design, development and small scale manufacture of simple RF and Audio items. 4. A link budget calculator. 3. This includes the carrier frequencies, power levels, and spacing between transmitters. In this article Summary. LO Tuning Range (MHz) to : IF Centre Frequency: IF bandwidth: Low-Side LO High-Side LO Spur Search Range (MHz) to :. They are typically used to convert signals from one frequency to another. It's in its infancy as a project but it saved my ass this week which is why I'm so uncharacteristically giddy about it. 0. . The benefit is you do not need multiple versions for each radio (unlike Motorola). detailed view. Calculate intermodulation products from 2 and 3 frequencies. 1 to support multiple. 2500 MHz and 863. The focus is on savings, but it is based on the debt reduction calculator, so it lets you include debt payoff in addition to your savings goals. The component "Frequencies Plan" display the details of all devices continuously (like an Excel spreadsheet) and allow changes to the display (text size, color, etc. C4 - number of payments per year. Enter LO Tuning Range, IF frequency/bandwidth and injection side. Calculate a list of mixer spurious responses for a set frequency plan. Get this excel template customized with. Select the first entry in your Payment (Number) column. Three sequences describe the frequency sum products. The first major new release of RF Cafe's spreadsheet (Excel) based engineering and science calculator is now available: Espresso Engineering Workbook™. 3Free. pdf lesLabel harmonics (for harmonic distortion) and frequencies (for intermodulation distortion), specified as true or false. Occasionally, Excel will leave invisible characters in blank cell fields that can cause F-Intermod run-time errors. This tells Excel that you are entering a formula, not just numbers. PRFIntermod is designed to provide extra assistance. exe. 2 - Antenna Placement Calculator (New) 3 - Third Order Intercept Calculator. Here are a few uses for this calculator This page covers RF Intermodulation calculator. Select the cell that contains the result from step 2. The intermodulation calculator program also enables you to input the coordinates for the site's location. F-Intermod calculates RF and optical intermodulation products. Complementing his or her expertise and helping to narrow the field of possibilities. 1) with the two tone input signal from Eq. C5 - loan amount. Capacitor calculator; Cascaded amplifiers; Coaxial impedance; Reactance and resonance; VSWR Calculator; Wavelength and frequency calculator; Intermodulation. 1-866-PASTERNACK (1-866-727-8376) US and Canada only • +1-949-261-1920 International • Email [email protected]. I appreciate that you. Intermodulation Calculator for RF Devices Spreadsheet Excel Spreadsheet that calculates 2T30, 2T50, and 3T30 IMD’s for up to 16 device frequencies. The filters and interstage matching networks eliminate harmonics from the system but, unfortunately, allow in-band and close-in out-of-band. 10intermodulation noise calculator excel interference analysis bill evans distortion third order intermodulation amplitude modulation signals containing more different frequencies system with nonlinearities between examine products consider some orders define understanding measurements most interesting analyzer abbreviated important metric. Three sequences describe the frequency sum products. LO 1 x Input -2 : -53 dBc. Calculation of Intermodulation Products up to 5th Order. F-Intermod. com office. Input Frequency lower value, MHz (input1) : Input Frequency higher value, MHz (input2) : Lower Sideband, High value (Output2) : Upper Sideband, High value (Output4) : EXAMPLE: INPUTS: input frequency range = 800 (low) to 850 MHz (high), Local Oscillator Frequency=700 MHz. IP3 is a well-known parameter that gauges linearity in radio frequency (RF) functions and components. It can be a tremendous job to calculate the intermodulation products from several frequencies, below is a calculator that calculates the intermodulation product from two and three frequencies. Managing debt is a normal part of the modern financial journey. 4. Buy Investment Spreadsheet (Excel) Bonus: Investment Property Excel Model. calculate the intermodulation free dynamic range P at a given level of a two-toneIntermodulation is a source of interference that arises from the combination of two or more signals at different frequencies in some kind of non-linear system. . exe). However, it is determined by specific system characteristics. More detail in. Fixed or variable rate. How to Create a Rental Property Analysis Spreadsheet. The odd (IMD3, IMD5,. Use the spreadsheet to compare different term lengths, rates, loan amounts,. 99999 nm. To estimate the density at 53 degrees Celsius, use XLOOKUP to find the values x1=40, y1=1. The definition of the third-order intermodulation given in equation 9 is the same as for tones used to describe intermodulation distortion in narrowband analysis. It can also exist for other audio components like speakers and CD or Blu-ray/DVD players, and it can be one of the most difficult music-related distortions to mitigate in. For a price quote or more information on any of V-Soft Communications' software products please contact us by email or call (319) 266-8402 or (800) 743-3684. Moreover, this view allows you to edit the frequency by moving them with the mouse. Let's derive the compound annual growth rate of a company's sales over 10 years: The. Note there are that contain extensive and detailed information about HDSpectrum and intermodulation studies. SPURIOUS FREE DYNAMIC RANGE. Spur Calculator Spectrum Analyzer How To Use Spur Calculator. For best results, custom IMT files should be constructed from accurate mixer output spectrum measurements made at or close to the desired input signal and local oscillator frequency and power. . Modulele cookie Educalingo sunt folosite pentru personalizarea reclamelor și obținerea de statistici de trafic. This tutorial will use basic math and graphics to explain how IP3 is generated and how its values are linked to essential quantities, such as the input and output powers of a device. Uplink frequency GHz. R3. It does this by. co/36WjCOvLearn. PRFIntermod is designed to provide extra assistance. A trigonometric expansion of this term confirms that the interference signals are in-band and therefore cannot be filtered out. To copy columns of data from an Excel spread sheet, highlight the column of frequencies to be copied in Excel and select copy. Home Composite Wood Raised Garden Bed Kits. Per 2 August 2023 both the installer you download and the WinRFCalc. Q: How are intermodulation calculations done?. 0 and 100. A convenient way to introduce the IP3 concept is to describe how intermodulation products vary relative to desired output signal level. See derivation below the. Automatic: the default option that tells Excel to refresh the calculation any time information in the formula's data range is edited. F-Intermod calculates RF. Shuseel Baral is a web programmer and the founder of InfoTechSite has over 8 years of experience in software development, internet, SEO, blogging and marketing digital products and services is passionate about exceeding your expectations. Microstrip Calculator. Passive InterModulation PIM Voltage Standing Wave Ratio VSWR Effective. LO 1 x Input -2 : -53 dBc. Select “AVERAGE” from the “Select a function:” list in the Insert Function dialog and click OK. Out of These intermodulation products second order and third order are larger in magnitude and result into interference with the desired signals of interest. This is an important part of any retirement planning calculation. RF Calculator #1 : RF budget calculator: This RF link calculator is useful provided Satellite and Ground station information is available. Use the IMT Mixer to perform frequency translation defined in an intermodulation table (see [1], [2], [3], and [4]) for a single tone carrier mixed with a local oscillator (LO) signal. The first and last sum products are unique where the first product location is given by equation 10, Eq. Intermodulation Distortion (IMD) occurs when two or more signals are used in a non-linear system. The nonlinearity is caused by dissimilar metals, dirty interconnects, or other anodic effects. The intermodulation products are also intermittent. See chapter. Updated on August 23, 2021. salary difference between assistant and associate professor cookie clicker save editor how many boats can you sell a year in florida readDownload a free calculator for Microsoft Excel or Google Sheets to estimate the future value of your savings account. 9 December 1, 2005 Added auto receive frequency calculation feature. exe). Interference due to intermodulation generally occurs when at least two transmitters close to the receiving antenna produce very strong signals in the receiver. Active intermodulation happens in active electronics systems where two or more signals within a system or from external sources combine and create frequency multiples and products. Hence, if a non-linear system has two signals at its. M. The relationship between the IM3 performance and the output intercept point (OIP3) parameter of the device can be derived. Markers have been added, and the output-referred third-order intercept point has been calculated based on simple geometry and the assumption that the intermodulation products will rise three times as fast as the desired IF tones, for each dBTo apply the custom time format, click Ctrl + 1 to open the Format Cells dialog, select Custom from the Category list and type the time codes in the Type box. Use the amplitude level as a guide instead of absolute spec. is unlikely because it would be attenuated by the low pass filter in either the 155. Intermodulation calculator excel social advice. 1, -10 dBm RF input produces -17 dBm IF output (Point 1 on the graph), so that conversion loss is 7 dB. The most prominent during a two tone test would be the intermodulation products at 2f1-f2, 2f2-f1 and third harmonics at 3f1 and 3f2. Here's a step-by-step guide to help you get started: 1. Adjacent channel. The CAGR is also called a "smoothed" rate of return because it measures the growth of an investment as if it had grown at a steady rate on an annually compounded basis. The equation for this system can be written as: We already know that generally, the output of a non-linear system is written in the form of ‘’a 1. 1. Measurement techniques are referred in Rec. Crossmodulation is a third order distortion. References 1. . Use Excel as your calculator. This software tool specifically designed for the wireless, professional audio and video industries. Two signals mix together (amplitude modulation) to produce sum. Use Excel as your calculator. Examples include connection between connector and cable, junction between two different types of cable made of. Manual: turns off auto-calculations in Excel so you'll have to calculate manually. So here, “4” is the day, and “2” is the growth inches of the paddy. RF System Calculator This is a excel spreadsheet that analyzes cascaded stages in Receivers and Transmitters. Non-linear systems generate harmonics in response to. . Kuki Educalingo digunakan untuk memperibadikan iklan dan mendapatkan statistik trafik laman web. dBm to Watt converter Stripline Impedance calculator Microstrip line impedance Antenna G/T Noise. When a satellite transponder is operated in the nonlinear region to amplify simultaneously several input signals at different frequencies, multiplication products among input signals will cause interference with the output signals. Net 4. Seventh Order. RF Mixer spurious analyser. It's easy to get started: just enter two transmit frequencies (F1, F2). P IN curve showing IP 1dB, OP 1dB, IIP3 and OIP3. Easily create a debt reduction schedule based on the popular debt snowball strategy, or experiment with your own custom strategy. This page covers RF Intermodulation calculator. This makes it simple for you to reach a particular place. Description. The system we utilize as an example, shown in Figure 2, is an RF. The frequencies of the PIM products will be calculated and displayed. Cross-modulation is an effect in which amplitude modulation (AM) from a strong undesired signal is transferred to a weaker desired signal. And now, let's see how our time difference formula and time codes work in real worksheets. We use named ranges for the input cells. 1- Path Loss Calculator. The calculator helps to find 2nd and 3rd-order IMD products because. zip. Search. The block includes nonlinear amplification, device and phase noise, and mixer spur visualization. Intermodulation Calculator for RF Devices Spreadsheet Excel Spreadsheet that calculates 2T30, 2T50, and 3T30 IMD’s for up to 16 device frequencies. One of these is a –48dBm CW tone, and the other is a –48dBm WCDMA carrier. Addressed to RF engineers or Cell Site designers, it provides system calculations for: Passive InterModulation (PIM), Voltage Standing Wave Ratio (VSWR), Effective. Midian’s INTERMOD-CALCULATOR predicts the possible occurrence of intermodulation products that may cause receiver interference at the radio repeater site. 02. (MHz) This PIM calculator allows entry of up to 12 disrete transmit and receive frequencies. Click any blank cell. Web This PIM calculator checks for any 3rd 5th andor 7th order products within a specified tolerance for up to 12 discrete transmitting. A power series describes all of the possible combinations of generated frequencies. End-to-End Performance. De asemenea, distribuim informații despre utilizarea site-ului cu partenerii noștri de social media, publicitate și analiză. PRFIntermod (PRFIntermod. This is the maximum link margin that the satellite network could have in this example link. Calculator. Higher order PIM products like IM7 can have a wide. This section builds on the distortion analysis of two-port networks in Section 4. 00\ ;\($#,##0. Third order distortions are the result of third order non-linearity and are formed by two mixing operations such as (A)+ (A)+ (A) or 3A, (A)+ (A)+ (B), 2A+B, A+B+C. Net (Intermodulation Analysis . Compare the output. Since the test input signal is lower by B dB they will then add this value to calculate ENOB as if the distortion would not increase for a larger input. Once calculations have been completed the map will indicate areas of possible intermodulation interference in red. 5. The third-order intermodulation products are at the frequencies (2⍵1 ∓ ⍵2) and (⍵1 ∓ 2⍵2). It is wise to use these presets. The output from the intermod software is used to calculate the results of an intermodulation products study by evaluating the included proposed and/or existing facilities at the site. Calculate the Fourier transform of the voltage/current to get a power spectrum. It allows you to calculate the allowances for axial water swell. Alternatively, you can add the formula. F-Intermod calculates RF and optical intermodulation products. This component also allows for editing of devices of the document (adding, deleting). 44). 4 (x86) File name: sifmpro_setup_1-3-4. 6 MB. WinRFCalc download page. 0 MHz that combine in a rectifying circuit, such as an oxidized fence. Hold the "Shift" button and then click the last number in that column to select all of the numbers in between. The expression normally used for the mixing products is: FIF = M * FRF + N * FLO (1) Where M and N are equal to 0, ±1, ±2, etc. 99999 THz and for optical 0 to 999,999. Intercept Points. The intercept point is based on a best-fit regression line plotted through the known x-values and known y-values. These are offset in frequency so that the resulting 3rd order product appears centered about DC. It then can check for any 3rd, 5th. These signals are usually low power, but in some cases, it is sufficiently powerful to distort another receiving signal. 2 Intermodulation 1. Wireless Converters and Calculators. The output of the mixer occurs at the frequencies: Fout(N, M) =∣N Fin + M FLO∣. In addition it will generate IMD (Intermodulation distortion) products at other unwanted frequencies (+/-n*f1+/-m. 5.