Download Multiple dielectric impedance calculator for free. The transmission line model is used in many of the loss calculations. P B = Power output of Port 3. = 10000 x (7000/ (2000 + 7000)) Vterm = 7. 1 to 100 MHz or 1 to 1000 MHz. 2. Instructions. RF Engineering Calculators; Parallel Circular Conductor TL; Introduction. 3 relates the RLGC transmission line model to the properties of a medium. The transmission line structure also affects the signal speed. Sumit. Set Parameters as Desired. 6 on a resistance circle means a resistance of 1. 6 A. It is well worth a few minutes of your time to see what they have. You can experiment with changes to the line parameters (Nominal Zo, Nominal VF, loss coefficients K0/K1/K2) to see how the. Frequency. Transmission line loss can be calculated using the following formula: Loss = I 2 × R. I need your valuable prescription. The Pasternack wavelength calculator Transverse Electromagnetic Mode (TEM) allows you to determine the wavelength (in millimeters) inside a rectangular waveguide. Therefore, for distribution lines and most transmission lines, the mi dspan span conductor sag is approximated by the first term of the above equation. Instructions. 3. Formulas are provided for each configuration. Microstrip Transmission Line Models. The PowerWorld Transmission Line Parameter Calculator (TransLineCalc) is a tool designed to compute characteristic line parameters given the type of conductor and the tower configuration of a three-phase overhead transmission line. Transmission Line Parameter Calculator. The diagram below shows how to implement a quarter-wave line for impedance matching between a transmission line and a real load impedance. If the voltage and current to the motor are 400 V and 8. The TEM mode exists down to DC. LPARA, an existing software at The Trinidad and Tobago Electricity Commission (T&TEC), has been. The PCB designer matched the width of this cutout to the width of the coplanar ground relief on layer 1 so that the cutout in the layer 2 plane was 30 mils in width as. Excel 7. With hundreds of coaxial RF cables in-stock and ready to ship worldwide immediately, our coax capacitance calculator lets you calculate the impedance of a coax by allowing you to enter the outer diameter dielectric width and inner conductor diameter. The source resistance is 200ohms. Their low profile design, often square or rectangular, allows them to be mounted to flat surfaces. 39. ϵr ϵ r = substrate dielectric. This is a required field. Transmission lines are used to guide waves of alternating current and voltage at radio. D D = coaxial cable outer diameter. Solution. Distrib. These calculators will be useful for everyone and save time with the complex procedure involved to obtain the calculation results. The phase currents were measured in the substation at one end of the line, taking particular care to measure the zero-sequence. Antenna Element Calculator. Note: All. Such a microstrip is constructed with two traces referenced to the same reference plane with a dielectric material between them. Equation 3. Transmission-Line Calculator. With our handy calculator, you can choose from 50 Ohm, 75 Ohm, 93 Ohm and 95 Ohm coaxial cables. Each Port is matched to the characteristic impedance Z 0 of the single, isolated microstrip transmission line. Fig. Pasternack waveguides are structures for guiding electromagnetic waves, often called a waveguide transmission line. VSWR calculator is an online calculator is used to convert the values between the VSWR, return loss, reflection coefficient, and mismatch loss. On the Source/Load tab, in the Loads/networks group, click the TX line icon. ATLC (Arbitrary Transmission Line Calculator) based on finite difference is used to find the characteristic impedance of a pair of parallel square conductors in air. Return Loss. 2. A calculator of this type has been constructed to facilitate the solution of transmission -line problems, and is shown in Fig. The transmission line geometries are cross sections and the values calculated are the inductance per unit length. Identify best matched Rogers' bonding material by sorting according to design attributes. Instead, the above calculator implements Wadell’s equations for stripline impedance, which can be found in his textbook Transmission Line Design Handbook. How do you calculate line loss in transmission? Line loss in transmission lines (e. EXE by Dean Straw N6BV. It has been zipped for storage and downloading. The first section, Section 2. A transmission line is always a transmission line. This calculator finds both odd and even transmission line impedance. This is a required field. The green boxes turn red if the numbers are outside the range for reliable calculation. Online calculators will generally use Wadell's equations to determine the transmission line impedance numerically. Transmission-Line Calculator. One of the features of this type of microstrip is the coupling between lines. This book chapter presents Smith chart instruments which are purely mechanical in operation, and are thus more analogous to the ordinary logarithmic-scaled slide rule. Users need only specify the material properties for. This calculator is particularly useful in designing and analyzing coplanar waveguide (CPW) transmission lines used in high-frequency applications. The transmission line parameter calculator is a tool designated to compute characteristic line parameters give the type of the conductor and the configuration of a three-phase. Wires are used to transmit clocks and data signals. The IPC-2141 trace Impedance calculator will help make initial design easier by allowing the user to input basic parameters and get a calculated impedance according to the IPC-2141 standard. One of the most common types of transmission line, coaxial cable. The Er (relative permittivity) is set as a common factor for all the possible mechanical designs and calculations. Calculates the resistance, inductance and capacitance per unit length. The complete development of transmission line theory is presented in Section 2. I have a doubt about line loss per km at both 33&220kv line and how to calculate them. Two conductors can create a transmission line. These values are computed as distributed (per. co. This calculator can also be used for measuring coaxial cable and will then give Relative Dielectric Constant rather than Effective Dielectric Constant. ATLC cannot calculate Zo for conductors in an unbounded space, so the conductors must be contained within a grounded bounding surface. In the case of a 6 dB return loss, this is equivalent to 0. Formula to find Z 0 = √ (L/C) substitute the values in the above formula. Parameters: Results: Line Type:. This web page allows you to calculate the width and length of a microstrip line for a given characteristic impedance (Zo) and electrical length or vice versa. TX-Line enables users enter either physical characteristics or electrical characteristic for common transmission medium such as:Capacitively Loaded Transmission Line Calculator. Tapered Quarter-Wave Tube. There are some advantages to using a. A quarter wave transformer is used to match two transmission lines with different impedances. To use the calculator, place values in either the velocity of propagation field or the dielectric constant field. What the utility companies deal in are 50 or 60 Hz power transmission lines, and at these frequencies characteristic impedances. AWR has one of the nicer free transmission line loss calculator apps I have seen in a long time. Does twisting a two wire open line reduce radiation. This will also provide the time delay the cable provides for a signal and also the capacitance and inductance per. INPUT DATA. Depending on circuit sensitivity, the distributed. A transmission line enclosure is a waveguide in which the structure shifts the phase of the driver's rear output by at least 90°, thereby reinforcing the frequencies near the driver's Fs. Pulse Forming Network Equations and Calculator. The input impedance of a transmission line with arbitrary terminating impedance is zL = ZL Z0 0 = zL − 1 zL 1 = ∣ ∣ e j L = 2 f c r = 2 r Z ¿ = Z0 1 e −2 j L 1− e −2 j L We will use the Smith Chart to ease the calculation of this complex quantity. As a result, it doesn’t cost too much. TX-LINE software is a FREE and interactive transmission-line utility for the analysis and synthesis of transmission-line structures that can be used directly in Cadence ® AWR ® Microwave Office ® software for matching-circuits, couplers, and other high-frequency designs. Following is the list of useful converters and calculators. Line above plane. T T = trace thickness. Microstrip line variants Types and basics of Microstrip line RF Terms-Useful for RF design and testing. It is a 2D simulator based on a finite difference approximation to Laplace's Equation. Lcoax ≈ μ0μrL 2π ln( D d) L c o a x ≈ μ 0 μ r L 2 π l n ( D d) Where: Lcoax L c o a x = inductance of the coaxial cable in henries (H) μ0 μ 0 = permeability of free space = 4π×10 −7. Waveguides are. Most RF Coaxial Cables have an impedance of 50 ohms or 75 ohms. That’s why microstrip transmission lines are good for transferring power from one point to another. Z0,air Z 0, a i r = characteristic impedance of air. Polar or rectangular grids only allow direct reading of S11. Quarter-wave impedance transformer placed between a transmission line with impedance Z0 and load with impedance ZL. The other. These values are. Z = Impedance of circuit element (i. Select the method of measurement. James F. Several equations are presented here, and these equations describe ideal situations that do not account for the complex geometry of a real PCB. g. The microstrip is a very simple yet useful way to create a transmission line with a PCB. In all cases, the current is assumed to flow in the outer surface of the. Z PU = Per Unit Impedance. Perhaps the most common type of transmission line is the coax. Technical losses are unavoidable physical effects of energy transmission and can be reduced to acceptable levels, with a major share of technical losses on. H eff = H 1 + H 2 2 H e f f = H 1 + H 2 2. These are precisely the characteristics of a pair of lines to be designated as a differential pair. Calculate the Transmission Line impedance Z0 for a large variety of mechanical structures. A Transmission line calculator, Version 0. Data Types: double. Understanding coax can be helpful when working with it. When the transmission line is terminated in a resistance=R, the injected step input on reaching the end of the transmission line is met by a constant impedance=resistance R at that instant. If the dielectric constant of the material is not known, you can choose to put in the velocity of. Where: Z0 Z 0 = characteristic impedance of the asymmetric stripline in ohms (Ω). With the help of this transmission line and several other 33 kV lines, power was supplied from Shidhirgonj to the Dhaka area (in addition to the power received from Kaptai, power was also generated at the Shidhirgonj 30 MW power station). These are often known as the Z, Y and YZ Smith. This can be achieved by regulating the inner and outer diameter of the coaxial cable, along with the. Nist, KQ6QV has free software for calculating arbitrary transmission line impedance, as well as transmission line equations for Mathcad 11. TX-LINE software enables users to enter either physical or electrical characteristics for common transmission mediums:. TLDetails includes a plot function that allows you to plot the matched line loss, the true velocity factor, or the true characteristic impedance magnitude, over a frequency range of either 0. Transmission-Line Calculator. Oregon State University ECE391– Transmission Lines Spring Term 2014 Propagation Speeds for Typical Dielectrics Dielectric Rel. transmission line model. 2. To make an effect transmission line with two wires it is best to create a twisted pair. Is wavelength same as the line length or am I wrong? $$lambda = frac{v}{f} = 0. Then add the transmission line and note the new "Slice Max Gain". An extension of the "calculator" originally published in ELECTRONICS in January 1939. g. Useful converters and calculators. The Transmission Line Calculator is a powerful tool for understanding and analyzing transmission line properties, including characteristic impedance, resistance, inductance, conductance, and capacitance per unit length. Edit By FormCoaxial Cable Impedance Calculator. E. 765-kV transmission line with aluminum guyed-V towers (Courtesy of American Electric Power Company) 4 TRANSMISSION LINE PARAMETERS I n this chapter, we discuss the four basic transmission-line parameters: series resistance, series inductance. Kenneth L. Modelling practical transmission lines. - Arbitrary Transmission Line Calculator (for transmission lines and directional couplers) Transmission lines, including directional couplers, of arbitrary cross section and an arbitrary number of dielectrics can be analysed with atlc. Usually, a transmission line is lossless or has very low loss, and for most practical purpose, = j . It renders fairly accurate results suitable for use in circuit board manufacturing and engineering analysis. Modeling approximation can be used to understand the impedance of. Highly recommended. TQWT can't be seen only as a combination either helmholtz resonator or TL. You need to enter the substrate parameters (dielectric constant and height), the frequency of interest, and the physical parameters (width and length) of the microstrip line. A microstrip is a type of transmission line in which a strip of a conducting material like copper is mounted on a dielectric material and routed to a ground plane. 44 x A0. g. Simpler calculators will use the less-accurate IPC-2141 equations. Height: Height of the substrate. It supports both balanced and unbalanced lines. 1. Recently I needed to approximate a cable with the following insertion loss for a 25 cm long strip: The approximation was required for an IBIS. Thus, for this system, VSWR = 1:1 (i. Click here to download the AA3RL Transmission Line Calculator. 1: 300 Ω 300 Ω twin-lead. The formulas used in the calculator create a design that suggests the most maximally flat response in an anechoic environment based on the number of drivers, the thiele small parameters and the allotted dimensions specified in the user’s input fields. 4. The. Rayleigh lines), the use of an array of equal inductors and capacitors are used to approximate a transmission line with discrete elements. The impedance Z 0 of a transmission line consisting of a circular signal conductor having a diameter d and centered between parallel ground planes separated by a distance h is given by: Eq. This technique doesn’t work for wide band requirements, but is a simple way to achieve this at a specific. Coax Cable Transmission Line Models. The impedance Zo of a two-conductor transmission line, as well as the odd-mode, even-mode, differential. It is composed simply of a discrete insulated wire spaced a fixed distance over a ground plane. The Differential microstrip impedance calculator is used to compute the differential (Zd) and single-ended impedance (Zo) of an edge-coupled microstrip line just by entering the width, separation and thickness of the trace along with the dielectric thickness and constant of the coupled line. This tool can calculate several critical parameters like unit length that describe your traces for different arrangements, including microstrips, embedded. The first section, Section 3. To set this property, set Parameter to 'Inductance'. Antenova's all-new GCPW transmission line calculator has been engineered to give you quick, easy and flexible options when it comes to selecting the optimum dimensions of. Waveguides are available in standard sizes from WR-430. The propagation delay is the time a signal takes to propagate over a unit length of the transmission line. Ruling Span of transmission line Calculator; Angle of loading of conductor of a transmission line Calculator; Wind Pressure on transmission line Calculator; Tension in Transmission line Calculator; Sag of Transmission Line with supports at different heights Calculator; Sag of Transmission Line with supports at same height CalculatorThe transmission line equations of (5) are valid for any two-conductor structure of arbitrary shape in the transverse (xy) plane but whose cross-sectional area does not change along its axis in the (z) direction. This delay results in timing errors, data skew, clock, and data mismatches, and causes reliability issues. The concept is illustrated in Figure 3. Kenneth L. The MWI-2017 Microwave Impedance Calculator software doesn’t. VR = Receiving end phase voltage. 2. Black dots represent electrons, and the arrows show the electric field. The below step by step solved example problem may helpful for users to understand how the input values are being used in such calculations to find the ratio of load impedance matching to the transmission line or wave guide characteristic impedance (Z 0). cables in the 1850s. Users need only specify the material. TLDetails includes a plot function that allows you to plot the matched line loss, the true velocity factor, or the true characteristic impedance magnitude, over a frequency range of either 0. Lab1 - Transmission Lines Objective To learn transmission lines and time-domain refectometer (TDR). The waveguide reverses the phase of the driver's rear output by the time it reaches the terminus, thereby reinforcing the output near the lowest resonance frequency of. The impedance calculator in Altium Designer integrates with your PCB layer stack design tool and can calculate impedance for many transmission line geometries, including coplanar. Download Transmission Line Calculator for free. R w = Terminating resistance between two. This video demonstrates the use of the transmission line calculator. 2 (t / h) 2 for W/h > 1. Apogeeweb. There are some advantages to using a microstrip transmission line over other alternatives. Transmission line calculators. Today, transmission lines exist in a variety of forms, many of. to NF. We also investigate transmission-line electric and. To determine the characteristic impedance of the parallel-plate waveguide first calculate the voltage of the top plate with respect to the bottom plate. The result also depends on the length and phase propagation constant of the line. In fact, striplines often make components such as band-pass filter's more accurately, with more symmetric roll-off and no lower cutoff frequency. ,100 % power transferred from a source to a load via a transmission line/cable). The input impedance of a transmission line with arbitrary terminating impedance is zL = ZL Z0 0 = zL − 1 zL 1 = ∣ ∣ e j L = 2 f c r = 2 r Z ¿ = Z0 1 e −2 j L 1− e −2 j L We will use the Smith Chart to ease the calculation of this complex quantity. Online Transmission Line Calculators. 1, makes the argument that a circuit with resistors, inductors, and capacitors is a good model for a transmission line. Transmission lines take on many forms in order to accommodate particular applications. Home; Site MapInductance of Symmetrical Three Phase Transmission Line Calculator; Line of Sight Transmission Calculator; Ruling Span of transmission line Calculator; Sag of Transmission Line with supports at different heights Calculator; Sag of Transmission Line with supports at same height Calculator; Tension in Transmission line. This parameter is used for the loss calculations. Simpler calculators will use the less-accurate IPC-2141 equations. Fig. If the voltage and current to the motor are 400 V and 8. 7 (a)) ΔΓ = (Z0(z) + Δz) − Z0(z) (Z0 + ΔZ) + Z0(z) = ΔZ 2Z0(z) + ΔZ ≈. Access Rogers' calculators, literature, technical papers and request samples on your smart phone or tablet through the ROG mobile app. It renders fairly accurate results suitable for use in circuit board manufacturing and engineering analysis. Overview. Transcalc is an analysis and synthesis tool for calculating the electrical and physical properties of different kinds. Smith, the originator of the Smith Chart. R = Zo (K + 1/K) Where, K2 = P3 / P2; (P3 - power at port 3) (P2 - power at port 2). 1. Johnson, McGraw-Hill 1963 p155. 12. The software also has some capabilities for predicting transmission line losses as well. Let's look at a few 40-meter horizontal loops with an open circuit loop as a reference, and compare it to others loaded by a 1/4 wave transmission line stub. XMSL - Transmission Line program that computes the points of maximum current in the standing wave pattern. Written in Visual Basic 6. Frequency span ±. 725. An online transmission line calculator is a web-based tool that allows users to calculate various parameters associated with transmission lines. Just enter the given values for trace thickness, substrate heights, trace width, and substrate dielectric. The Antenova Transmission Line Calculator considers all these aspects for you. The Add transmission line dialog. Propagation delay is a ratio of the propagation speed to the distance between the source and destination. Enter system voltage (kilovolts rms, maximum): Enter maximum transient overvoltage (per unit)( 1): Altitude (in meters): Phase-to-ground exposure. Z 0 = Characteristic Impedance of the overall system. The only adjustable parameter is R90, or the radius of the 90 segments. The coaxial cable, along with the balanced two-wire, is the most common type of transmission line used in RF communications. If you want a quick and dirty way to design your traces to have a specific impedance value, you can use an online transmission line calculator. A graphical explanation of energy flow in a practical transmission line. I m working as a electrical engineer in transmission line field about 33kv and 220 kv. A quarter wave transformer is used to match two transmission lines with different impedances. Select the box with the geometry that you would like to calculate. The first term of the equation is identical to the equation for a parabolic curve. Following formula can be derived for the characteristic impedance of a parallel wire transmission line: 1. This is a calculator for designing a Dual Fold On-Axis Transmission Line Enclosure. The actual input impedance to the terminated line isImpedance Calculation. 0 value of the line to this point on the chart—50 Ω for a 50-Ω line, for example. Wavelength is a wave between any two points. 60. Avoiding flashover in baluns and ATUs. Inductor Q Factor Calculator. The transmission line system is a "direct radiator" alignment that is designed to use the 1/4 wave resonances in a waveguide to enhance and extend its useful range of operation. atlc. The reflection at point z on the line for a taper segment of length Δz is (refer to Figure 7. Nist, KQ6QV has free software for calculating arbitrary transmission line impedance, as well. Pasternack's RF Calculators and Conversions section provides engineers valuable and easy-to-use tools ranging from complex mathematical formulas to simple conversions. To use this calculator, simply input your microstrip geometry and Dk value, and the tool will return the differential impedance value for a pair of microstrip traces. Transmission lines Transmission line concepts and an online transmission line calculator by Owen Duffy, VK1OD. These are considered to be standardized impedance values with cables readily available. This calculator is a tool for designing balanced transmission lines with a specific desired characteristic impedance (Z_ ext{c}) and made of parallel circular conductors of a. Characteristic Impedance Ω. In transmission line theory, the mismatch loss (ML) is the ratio of incident power (Pi) to the difference between incident and reflected power (Pr). This type of transmission line might be a signal wire used within a breadboard, for example. 5. Chemandy Electronics. These equations are rather complex, comprising a set of 67 interrelated equations and parameters, which includes a requirement to calculate elliptical integrals. TX-LINE software is a FREE and interactive transmission-line utility for the analysis and synthesis of transmission-line structures that can be used directly in Cadence ® AWR ® Microwave Office ® software for matching-circuits, couplers, and other high-frequency designs. The GUI has been ported from the GIMP toolkit (GTK) to Qt. Parallel wire. Our waveguides are low loss transmission lines capable of handling high power with high isolation. A number of the ideas were borrowed from TL. It allows calculation of basic parameters like strip width, spacing etc. 1 Small Reflection Theory and Tapered Lines. This is the MATLAB code to a basic transmission line parameter calculator tool. Frequency. Differential impedance: This is the impedance of a pair of transmission lines. Introduction. . The two most common impedances that are. The width of the conducting layer is important to calculate the radiation intensity since it directly affects. 19. However, there is often a gap between the easy physical process and a knowledge of what it is that we. 6 times Z 0 . The diagram below shows how to implement a quarter-wave line for impedance matching between a transmission line and a real load impedance. The parameters computed are the resistance R, reactance X, susceptance B, and conductance G. In some cases, users require a custom impedance value. The equations that are used to calculate stripline impedance are simple, but there is a large number of terms, which includes a. 2. 946 for silver, or 1. A Simpler Approximation At the lowest frequencies, there is another ideal electrical circuit element that can be used to approximate the impedance of a real, physical transmission line. Narrow Trace Over Plane. On-line RF engineering calculators for designing air coil inductors, other transmission lines, filters and antennas. He states in part, "The calculator is, fundamentally, a special kind of impedance coordinate system, mechanically arranged with respect to a set of. Here the series resistance, series inductance. The ratio of the reflected voltage to the incident. The user only needs to enter the attenuation in decibels (dB) and the given characteristic impedance of the transmission lines to be matched. Line Type: Belden 8215 (RG-6A) Belden 8237 (RG-8) Belden 9913 (RG-8) Belden 9258 (RG-8X) Belden 8213 (RG-11) Belden 8261 (RG-11A) Belden 8240 (RG-58) Belden. Narrow Trace Over Plane. The transmission line calculator allows the ability to analyze and synthesize transmission line physical and electrical characteristics. The plots show the magnitude and phase of the input impedance. 1 - Circular transmission line calculator with separately rotatable "wavelengths" scale around rim. 024 x dT0. This style of loudspeaker has been on the fringe of the audio mainstream for many years with just a few smaller companies building and marketing this enclosure design. In terms of the characteristic impedance in. The magnitude of the coupled voltage between adjacent traces is also provided. A transmission line is any physical cable with a length more than 10% of the shortest wavelength being transmitted: Transmission lines exhibit stray capacitance and inductance. The. This is a special scenario. As was mentioned earlier, this is the dielectric loss in units of dB per unit length in a transmission line: Where: G = Conductance pul of the dielectric material. This calculator is designed to help calculate the value of the resistors R1 and R2 to be used in T-pad attenuator. Z0 = Impedance of the transmission line is about ≈√L/C. The input impedance seen at the other end will be a tangential function of the coil’s electrical length. Try This New Tool. The basic calculation of transmission line protection (photo credit: acrastyle. It is possible to ascertain the relevant behaviors of a transmission line using elementary circuit theory applied to a differential-length lumped-element model of the transmission line. A transmission line should have a uniform characteristic impedance to avoid signal reflections. An online transmission line calculator is a web-based tool that allows users to calculate various parameters associated with transmission lines. Equation. Transmission Line Equations R G L C 0 0 0 0 resistance per unit length(Ohm/ cm) conductance per unit length (mOhm/ cm) inductance per unit length (H/ cm) capacitance per unit length (F/ cm) dV dz R jwL I dI dz G jwC V ( ) ( ) 0 0 0 0 KVL : KCL : Solve 2nd order D. The calculator provides the minimum approach distance, in feet or meters (depending on your selection), for phase-to-ground and phase-to-phase exposures. R is the resistance of the line, which can be calculated based on the wire's length, cross-sectional area (related to wire gauge), and material. A microstrip patch antenna is one of the most popular microwave antennas. 75. Transmission Lines calculators give you a list of online Transmission Lines calculators. All rely on the same basic components - two or more conductors separated by a dielectric (insulator). The Coplanar Transmission Line Calculator is a valuable tool used in electrical engineering to determine the characteristic impedance of a specific transmission line. The NIST site offers a variety of free software, including various on-wafer calibration software (MultCal, for TRL and LRM), transmission line calculators, uncertainty calculators etc. Written in Visual C++. This calculator will provide the speed of the vehicle based on transmission gear ratio, engine RPM, tire height, and the ring gear and pinion gear ratio in. Figure 5. Coaxial Cable. Technical Losses. The application was somewhat inspired by transcalc by Claudio Girardi and Gopal Narayanan. Transmission lines (sometimes called feed lines) can take many forms (see Figure 2). h is the height of the microstrip line above the ground plane. 25Hz-20KHz range with very warm, rich bass, creamy midrange, extremely detailed high end and outstanding impulse response. The trace width can then be calculated by re-arranging this formula to determine the cross-sectional area that. Inductance Calculator. The Smith Chart achieves this by superimposing a grid on S11 that maps load impedance. It covers the history, development and applications of the Smith Chart. Impedance calculationDownload Transmission Line Calculator for free. This is a required field. Textbook - Waveguides:. The image below shows the. The PowerWorld Transmission Line Parameter Calculator (TransLineCalc) is a tool designed to compute characteristic line parameters given the type of conductor and the tower configuration of a three-phase overhead transmission line.