2): fHigher - Microstrip = c/(4h εr − 1− −−−−√) = 10. The linked article below contains a free microstrip line calculator that can be used in your web browser. For more general patch antenna. Description. For example, rfckt. Version 6. You need to enter the substrate parameters, the frequency, and the physical. Also, any two models that agree with the data to better than. Description. 2. It can calculate low-pass, high-pass and bandpass lumped-element Chebyshev filters, of third, fourth and fifth order (N=3, N=4 and N=5). The substrate parameters (ε r and h) are required. 1,312. 6 mils line width, and the effective dielectric constant is 6. Wcalc is a tool for the analysis and synthesis of transmission line structures and related components. The microstrip patch antenna calculator determines the length (L) and width (W) of a rectangular microstrip patch antenna for a given resonant frequency or vice versa. The two side edges are translated from the edge a distance of 1/7 the microstrip. 39 for the effective dielectric constant. The microstrip line calculator makes it possible to calculate the characteristic impedance of a microstrip line from the ratio between the width of the line and the height of the substrate as well as the parameters of the substrate. 3): fHigher-Microstrip = c/(4h εr − 1− −−−−√) = 10. To create a 50 Ohm microstrip you need to know: 1) the dielectric constant of the PCB material between the strip and the ground plane; 2) the thickness of the PCB material between the strip and. Each of the transmission lines consists of a signal trace and a reference plane(s). Outputs. Microstrip Transmission Line Models 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: This web page allows you to calculate the width and length of a microstrip line for a given impedance, electrical length, or vice versa. RF calculations and RF conversions include metric. 37 mil, H = 30 mil and T = 1. Bookmark. 5 was. As frequency increases, ac resistance. Inductance Calculators. The characteristic impedance (Z o) of a microstrip transmission line can be calculated using the active calculator or the equations at the bottom of the page. d is the separation (distance) between the microstrip and the ground plane, typically in meters (m). 2. Here's two references: R. A = cosh − 1[ln(ZL / ZS) / Γm] = cosh − 1[ln(50 / 5) / 0. Microstrip Capacitance. Perhaps the most common type of transmission line is the coax. The line inset is designed to set the input impedance looking into the edge of the patch to a target impedance. Microstrip is a type of electrical transmission line which can be fabricated with any technology where a conductor is separated from a ground plane by a dielectric layer. The procedure given below explains how to use Linecalc to analyze such a structure. The limit as gap spacing goes to infinity is microstrip. 1. h s is the height of the aggressor microstrip above the reference plane in meters. microstrip antenna is the best choice for modern wire-less and mobile applications4–6. Microstrip is a single trace on the top layer, with no ground close to it on the same layer. 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. Output. This tool calculates backward crosstalk which is usually the dominant crosstalk component. The quality factor indicates how selective or non-selective the band pass filter is. 0 Esta calculadora determina la anchura y la longitud física de una línea microstrip para una impedancia característica Zo y una longitud eléctrica dadas. ; You can use the formula provided to calculate the capacitance of a microstrip when you have values for εr, A, and d. Following is the list of useful converters and calculators. HFSS Waveport Size Calculator Figure out the correct waveport size to use in HFSS for a microstrip line feed. The intensity B of the magnetic field of a solenoid composed of coils wound in air (that is, without a ferromagnetic core) can be calculated using the following formula: where: μ 0 = 4Π x 10 -7 H/m is the magnetic constant (vacuum permeability) N is the number of turns. Using this formula, you can calculate the characteristic impedance of a. tr = 0. In the lumped and distributed form, they are extensively used for both commercial and military applications. Tech. Ground plane is assumed to be perfectly conducting and of infinite extent. P. Backwards crosstalk creates a pulse width. 5. This spreadsheet is used to calculate inductor and capacitor values for Chebyshev filters. Visit to learn more about our other electrical engineering tools and resources. Then the transverse field is dominant and the fields are called quasi-TEM. This calculator determines the impedance of a symmetric differential stripline pair. The default units for all given values, except the subtrate dielectric, is in millimetres. Relative Dielectric Constant ( εr ): Track Width: mm. Provide values for H, T, W and the relative permittivity of the dielectric and click the button corresponding to unknown parameter Z o to calculate its value. 1. Microstrip Impedance Calculator. A coplanar waveguide calculator will operate in one of two ways. Activity points. Microstrip Line Calculator Analyze or synthesize a microstrip line based on substrate parameters and frequency. Such a microstrip is constructed with two traces referenced to the same reference plane with a dielectric material between them. Based on these studies combined with optimization tool in Advanced Design. 1kOhm, 1% tolerance: Brown Black Black Brown Brown. 2. In microstrip, the trace will be present on the outer layer of your circuit board. Enter the values for trace thickness, substrate heights, trace width and substrate dielectric and get the output impedance in ohms. To use this tool, enter the trace width, thickness, ambient temperature, temperature rise, and the microstrip length and click the "calculate" button. Microstrip Line Calculator Analyze or synthesize a microstrip line based on substrate parameters and frequency. Output Power Ratio (PA/ PB) Calculate. They are discussed in this part. 9 GHz and the magnitudes of S 21 and S 31 are. For example, PCB copper plating thickness. Enter the width and height in any units and get the result with formulas and SI prefixes. 720. txline = txlineMicrostrip (Name,Value) sets Properties using one or more name-value pairs. example. The Wadell variant gives 75. A. Share. A microstrip patch antenna is one of the most popular microwave antennas. 81 Updates & Additions: Corrected S/H and W/H formula for the Edge Coupled Embedded differential pair calculator. For fixed line impedance on microstrip (such as fifty ohms), dielectric loss is almost constant for any thickness substrate. Free Space Path Loss Calculator. S. 06/11/2010: Apple Claims Iphone 4 Has Novel Antenna Design added. This tool helps you create a matching circuit so that optimal power transfer occurs between unmatched loads. Their flexible layout is excellent, giving microstrip lines optimal versatility. Either the desired impedance at a specific frequency is used to determine the waveguide width, or the width is entered and the impedance is calculated. This web page allows you to calculate the width and length of a microstrip line for a given impedance, electrical length, or vice versa. This calculator helps translating the color bars from the resistor to its value. Transmission-Line Calculator. Transcalc. Enter the width and height in any units and get the result with formulas and SI prefixes. When. Our free impedance for PCB Microstrip Line Calculator can help you with your design features to ensure your PCB is a working as you intend. Rectangle Loop Inductance Calculator. So two estimates have been calculated for the frequency at which the first higher-order. The designed balun exhibits good performance. Equation Source: Ulaby "Fundamentals of Applied. Microstrip filters are built as a carefully defined pattern on a PC board. For example, if you wish to input "25000000", just type "25M" instead. Interestingly, for a given geometry model, the delay constant in ns/ft is a function only of the dielectric constant, and not the trace dimensions (see Reference 6). It renders fairly accurate results suitable for use in circuit board manufacturing and engineering analysis. 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. Understanding these structures (microstrip, stripline, and coplanar) can be fruitful from the PCB design point of view, for the designer as well as the fabricator. 2 of the Microstrip Calculator, h=H1 and b=H2-H1. This calculator assumes the distance between the two reference planes to be an equal distance. Microstrip. Characteristic impedance is crucial to know how efficiently power transmission is occurring. It consists of rectangular substrate and the metal trace layer as shown in Fig. 6 GHz f Higher-Microstrip = c / ( 4 h ε r − 1) = 10. This value was. Edge-Coupled Traces. However I've just tried a couple of online microstrip calculators, and neither complains for er ratios even below 1. Running this code with Octave/Matlab is a better way to design a hairpin filter than my calculator but it takes tens of minutes per simulation, depending on the frequency range, mesh size and of. The microstrip calculator determines the width and length of a microstrip line for a given characteristic impedance (Zo) and electrical length or vice versa. This calculator provides accurate microstrip transmission line analysis and synthesis. Users just have to provide the required filter specifications as well as the material description. Try This New Tool. The ratio of cross-hatch conductor width (HW) to cross-hatch pitch (HP) plays an important role while characterizing the cross-hatch plane. 6. THESE FORMULAS ARE. 0046 meters. Fig. Microstrip lines have three parameters that we can change to achieve 50 ohm impedance: Due to design constraints, there is only one parameter (track width,) left to achieve 50 ohm. A. If the dielectric constant of the material is not known, you can choose to put in the velocity of. V. A Clemson ECE635 Project by Adam Schreiber and Jason Byers. Added calculation for Electrical Length as Air Line equivalent; Added calculation for Delay time ; Known Issues: Norton (Symantec) false positive. The best ECAD software will include a field solver-based model. Coax Impedance (Transmission Line) Calculator. Dielectric loss in a PCB transmission line. 04/02/2007: Ansoft Designer Planar EM Simulation of a microstrip transmission line added in the TutorialsTools section. Just as was the case with microstrip impedance calculators, stripline impedance calculators tend to rely on either the IPC-2141 formulas or on Wadell’s equations. The plots show the magnitude and phase of the input impedance. Using the Microwaves101 microstrip calculator, we see that 50 ohms on 10 mil alumina corresponds to 9. coupled microstrip lines described in the following procedure. A microstrip line is a microwave transmission line composed of a single conductor strip supported on a dielectric substrate. This calculator requires symmetry in the trace widths and location between plane layers. This calculator can calculate the impedance and propagation delay of any microstrip by taking its respective height, width, thickness & dielectric constant. It's just a trace on an outer layer over a sufficiently large area of ground plane on another layer. Consider the microstrip antenna shown in Figure 1, fed by a microstrip transmission line. Microstrip directional couplers are easy to integrate into RF circuits constructed on a single substrate. hi balanis antena theory book thay have give example problem. 11. Multiply the result by the square root of the ratio of (1 + (2 * h / w)) to (1 – (2 * h / w)). It is similar in function to capacitors and inductors but only for very high frequencies. Calculates with the characteristic impedance of the system and ratio of the power at the output to get the impedance of the various transmission lines that make up the Wilkinson Power Divider. Our RF and microwave calculators and converters will provide the figures you need for your radio frequency engineering needs. W is the width of the microstrip trace. This tool will also compute the resistance of the stripline, the voltage drop on it, and the resulting power dissipation. 2. Three different solutions are presented with five, seven, and nine elements, reaching about 25%, 30%, and 44% of bandwidth, achieving ultra-wideband behavior, efficient and with a. It covers low pass and bandpass rf filter calculators used in microstrip designs. TransLine. The Impedance Calculator evaluates single-ended and differential impedance for various impedance models. Differential microstrip impedance calculator is an online electronic tool to measure the opposition to alternating current. This tool is designed to calculate the correct dimensions of a microstrip patch antenna if the operating frequency and the dielectric constant of the material used, is known. The edge couple differential symmetric stripline transmission line is a common technique for routing differential traces. The capacitance calculated using this tool is the capacitance between a flat conductor and two equidistant ground planes. 1. Users need only specify the material properties for. R = Zo (K + 1/K) Where, K2 = P3 / P2; (P3 - power at port 3) (P2 - power at port 2). Enter the Height, Width and Permittivity to get the Impedance of the Microstrip Note : The unit of the height and width entered must be the same. The length of the dipole is usually one-half of the wavelength of the RF signals. Edge Coupled Stripline Differential Impedance Calculator. 6 Band Resistor. 37 mil), the deviation of the calculated. Many conductor properties are frequency dependent and dynamically affect electromagnetic characteristics of circuitry and systems. This value is usually calculated by discounting any obstacles or reflections that might occur in its path. - Balanced Attenuator Calculator. Microstrip Patch Antenna Calculator Calculate dimensions and edge impedance for desired resonant frequency. For example, if you wish to input "25000000", just type "25M" instead. When two transmission lines are placed close to each other, the electromagnetic field interactions of each line cause power to be coupled between the two lines. Which gives the best absolute accuracy with different PCB types has not been assessed by us and the choice is yours. Wavelength Calculator. Calculadora de Líneas Microstrip S. Calculate the width of a microstrip transmission line with this online tool. Using the 3 dB and 60 dB bandwidth the above calculator can calculate the shape factor and quality factor for any microwave band-pass filter. This is the one-way transit time for a microstrip signal trace. With t = 35 um (typical for copper with plating on a pcb), Z odd drops to 44 ohms, according to LineCalc. The Pi match circuit is so named because the circuit topology can resemble a pi symbol. Scientific Calculator. One option for impedance matching is to use an inset, as shown in the image below. 0 out of 5. eu. To learn more about the capabilities of EMI Analyst, sign up to access our download area or. The effective dielectric constant equation is from: M. Reference: R. This paper describes the use of a logarithmic architecture in the design of microstrip antenna arrays, creating structures with high gain and ultra-wide bandwidth. where Z 0,surf can be computed as specified in Eq. Dimensions are in meters. h = rfckt. The Smith Chart achieves this by superimposing a grid on S11 that maps load impedance. theses modes can be predicated for a rectangular patch (whose dimensions are w L and h) by using the cavity model . 24-25. Crosstalk occurs when a signal "jumps" from one trace to another, a phenomenon that is unintentional and often unwanted. However, these calculators are using curve-fitting models tracing back to the Wheeler and Getsinger era (60's 70's etc). For more information see About our. Stripline Calculator. The shape factor is defined as the ratio of two separate attenuation levels used to calculate the cutoff frequency. In fact, striplines often make components such as band-pass filter's more accurately, with more symmetric roll-off and no lower cutoff frequency. Rogers Advanced Connectivity Solutions (ACS) has introduced an updated design program that is free to download called the MWI-2017 Microwave Impedance Calculator, a transmission line modeling tool for electronics engineers (setting up an account is required). In addition to the suite of free design, verification, and analysis tools shown below, EEWeb is the home for experienced and novice designers alike to share tips and to ask and answer questions via our forums. Enter the values of trace width (w), trace thickness. This calculator assumes the distance between the two reference planes to be an equal distance. 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. These include dielectric thickness (h), target impedance (Zo), and relative dielectric. (© CC BY SA 3. By determining its trace resistance, the contribution of a microstrip to the overall circuit resistance can be evaluated. 1. A quarter wave transformer is used to match two transmission lines with different impedances. Such a circuit will deliver an exact cutoff frequency of. Tpd: propagation delay. 3678) of its value near the surface. The required values are trace thickness, substrate heights, trace width, and subtrate dielectric in the calculator above and press the "calculate" button. Identify best matched Rogers' bonding material by sorting according to design attributes. In some cases, users require a custom impedance value. The first Microstrip developments were done shortly after the appearance of Barrett’s article, in 1952 by D. Use several of them and compare. Assumptions and Limitations. hkprakash7 Member level 1. This calculator will help you calculate the guided wavelength, provided the dimensions of the microstrip are given as well as the velocity of propagation, the microstrip material's dielectric constant, and the input frequency. Microstrip Impedance Calculator. This document covers the theory, design steps, simulation and verification of various types of power dividers, such as Wilkinson, T-junction, and branch-line. This calculator can calculate the impedance and propagation delay of the embedded microstrip. 3 Gbps (corrected: 1. It consists of a rectangular metal patch on a dielectric substrate and is excited by a voltage source across the metal patch and the bottom ground plane of the substrate. Description. Overview. Basic Online Calculator. Here's an example: consider microstrip-on-GaAs with loss tangent=0. Compared with metal waveguides, it is small in size, light in weight, bandwidth in use, high in reliability and low. Check the higher-up (calculators) page; Chemandy has two other microstrip formulas as well. Useful converters and calculators. 71. 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. 8), the ratio of W/H for fifty-ohm microstrip is about 95%. i am talking about the small gap between the patch and microstrip. Description. 3: Normalized characteristic impedance and normalized effective permittivity of a microstrip line as a function of u = w / h. Use our microstrip patch antenna calculator; Patch antennas can also be circular or elliptical for a given operating frequency. Select the box with the geometry that you would like to calculate. Microstrip capacitance is essential in RF (radio frequency) and microwave circuit design, as it affects the electrical characteristics. 25 ohms for the given dimensions, and IPC-2141, 83. 8 Updates & Additions: Go to our microwave calculator page, our microstrip calculator does this calculation for you! It's time for a Microwaves101 Rule of Thumb! For pure alumina (ε R =9. 1. Using the Microwaves101 microstrip calculator, we see that 50 ohms on 10 mil alumina corresponds to 9. There are four different types of impedance used in characterizing differential trace impedances. Use an online differential microstrip impedance calculator; Use an online differential stripline impedance calculatorDESIGN DATA FOR YOUR YAGI. Equation (14-20a) states. The filter owes its low signal loss to refined formula published in the literature as wellThis calculator is heavilly based on . The. The MWI-2017 Microwave Impedance Calculator software doesn’t replace sophisticated. 1t for W/h ≤ 1 and Wr = W + 1. [1] This paper constructs a simple formula of distribute conductance of a microstrip line and then of the dielectric attenuation with only one arbitrary constant, p = 1. Visit to learn more about our other electrical engineering tools. 06/08/2009: EM Talk Store added - find discount microwave engineering components and devices. Microstrip antennas are becoming very widespread within the mobile phone market. A microstrip patch antenna is one of the most popular microwave antennas. Just enter the given values for trace thickness. For example, if you wish to input "25000000", just type "25M" instead. The. Dielectric Constant. 3 kΩ × 47 nF) = 1. Spread the love Microstrip Propagation Delay Calculator Microstrip Propagation Delay Calculator Trace Length (in meters): Calculate Propagation Delay: nanoseconds FAQs How do you calculate propagation delay? Propagation delay is calculated by dividing the distance traveled by a signal by its propagation velocity. Connect the third microstrip line from the port 2 to 4 which forms a tee network. These dominant modes are for this case. 11. Track Thickness: mm. Amongst them are a Smith chart s-parameter plotter, a lumped element balun designer, a microstrip calculator, a mixer spurious product calculator, and thermal dissipation calculator. Overview. By adding the formulas of the dielectric and copper, a similarly simple formula of total attenuation is obtained. P B. All About Circuits is the largest online electrical engineering communities in the world with over 700K engineers, who collaborate every day to innovate, design, and create. Many conductor properties are frequency dependent and dynamically affect electromagnetic characteristics of circuitry and systems. 0016 and E r =12. A cross-section of a microstrip transmission line is shown below. R w = Terminating resistance between two. Microstrip Calculator Accuracy. Design, development and small scale manufacture of simple RF and Audio items. 2. 0. We use an interpolation approach. For example on 0. A filter is a reactive network that passes a desired Microstrip lines have a quasi-TEM mode of propagation, making it easy to realize various lumped-elements. In this design note we will stick to a width of. Version 2. The differential impedance will be a bit less than 2x the single-ended impedance. coupledmicrostrip = coupledMicrostripLine creates a default coupled microstrip transmission line with a Teflon substrate and default properties for a resonating frequency of 1. Transmission Line Reflection Calculator TRY TOOL . Microstrip Patch Antenna Design Calculator 1 Mosin I Memon and 2 Prof. A coil inductance formula is based on the basic loop inductance. 4, 4, 9. **Note: Like our microstrip line impedance calculator, all of our RF calculators allow SI prefix input. As was mentioned earlier, this is the dielectric loss in units of dB per unit. Loop Inductance Calculator. 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. Patch antenna online calculator. A microstrip transmission line consists of a narrow metallic trace separated from a metallic ground plane by a slab of dielectric material, as shown in Figure 7. 1b shows the coupling scheme of the proposed diplexer. Go to the. The simple bandpass consists of an RC low-pass and a RC high-pass, each 1st order, so two resistors and two capacitors. Inductance: L =. The length of the dipole is usually one-half of the wavelength of the RF signals. 2. Index Terms-Microstrip patch antenna, MATLAB calculator, CST, 2. On the SVG file, the horizontal line at the bottom of the page is 150 mm, to check scaling after. They will give very similar answers. A two part calculator which gives ideal and preferred value resistors, showing most formulas used and a link to the others. Some are based on look-up tables, some completely hide their algorithms. 06/27/2007: EM Talk Blog added. Wavelength Calculator. So, the dielectric at my 5-6GHz frequency range is 3. But the choice of transmission-line technology, such as microstrip or grounded coplanar waveguide. USB traces must be 90 Ohms differential. Therefore, it is best to. Differential microstrip impedance calculator; Differential stripline impedance calculator; If you want to get more accurate calculations, and you want to account for more advanced challenges like copper roughness, you will need a more advanced calculator. The surface finish is neglected. 1t + 2. This calculator finds both odd and even transmission line impedance. In design, the physical dimensions must be determined given the desired electrical properties. Just to give designers a starting point, take a look at these differential impedance calculators you can use to get an initial estimate of the differential impedance for microstrips and striplines. Skin Depth Calculator. EEWeb offers a free online broadside coupled stripline impedance calculator. The. The characteristic impedance is given by: Eq. Enter one of the three values and the calculator will output the other two. En este tutorial aprenderemos a calcular la dimensión de una línea microstrip y podrás descargar una calculadora que realizará todo el. Quarter Wave Transformer Impedance Calculator. The resonant frequency of an LC Circuit is the frequency at which the inductive reactance and capacitive reactance of the LC circuit are equal. 2 of the Microstrip Calculator, h=H1 and b=H2-H1. Simons, "Coplanar Waveguide Circuits, Components, and Systems", Wiley. Transmission Lines – Microstrip, Coplanar, and Coax. Remove the solder mask on top of the filter. The phase is mostly + 90 ∘ or − 90 ∘, indicating that Zin is mostly reactive. 20 Apr 2021. 3 shall be used. Incidentally, the trace thickness parameter does have a significant effect. Impedance in your traces becomes a critical parameter to consider during stackup. For an embedded (internal) microstrip, the formulas provided in paragraph 4. The transmission line geometries are cross sections and the values calculated are the inductance per unit length. Such a microstrip is constructed similarly to the standard microstrip but uses a round conductor instead of a flat trace. This calculator is designed to calculate the inductance of a microstrip given its dimensions (width, length and the distance of the strip from the ground plane). 3) (4. A microstrip is created by etching a trace on a printed circuit board and is mostly used in microwave applications. Agilent's LineCalc tool calculates Z odd = 50. Ratings and Reviews 5. 577e-9 H. Discrete and Microstrip Coupler Design - Chapter 7. Example (PageIndex{1}): Microstrip Calculations. A rectangular microstrip patch antenna is designed and simulated with CST software using 0. dBm to Watt converter Stripline Impedance calculator Microstrip line impedance Antenna G/T Noise temp. Instructions are below the calculator and don’t forget we can make and test your controlled impedance printed circuit board too. Figure 78 shows the propagation delay versus the dielectric constant for microstrip and stripline traces. The formulae to calculate the dipole antenna and leg length are: L = 468 / f, l = L /2, where: L - Length of the dipole antenna in feet; l - Length of each arm of the dipole in feet; and. Relative Dielectric Constant ( εr ): Track Width (S):. ( 0. 2. This calculator takes trace thickness into account and is not limited to a range of w / h ratios. The calculator shown below uses Wadell’s equations for differential impedance, which can be found in the seminal textbook Transmission Line Design Handbook. [1] This paper constructs a simple formula of distribute conductance of a microstrip line and then of the dielectric attenuation with only one arbitrary constant, p = 1. 293 − 0. Pasternack's RF Calculators and Conversions section provides engineers valuable and easy-to-use tools ranging from complex mathematical formulas to simple conversions. Some of them include Microstrip, Stripline and Coplanar Waveguide. It splits an input signal into two equal phase output signals, or combines two equal-phase signal into one in the opposite direction. ANSOFT CORPORATION HFSS FIELD CALCULATOR COOKBOOK INTRODUCTION feature of Ansoft’s HFSS Version 7. Going Forward with a Trace Impedance Calculator. If there is an insulator around the wire then this calculator will be an estimate. FOR 3. 1 Characteristic impedance of microstrip lines As seen in the previous section it is necessary to know the length and characteristic impedance of a line to determine its equivalent inductance. Input. 2, physically exactly the same thing, but the second has a piece of metal on top, and the embedded microstrip gives a lower value. The characteristic impedance (Z o) of a microstrip transmission line can be calculated using the active calculator or the formula at the bottom of the page. 12LNO/0. 9. Skin Depth Calculator. The microstrip width calculator uses the following parameters to calculate: Dielectric thickness (h) Target impedance (Zo) Relative dielectric constant. txline = txlineMicrostrip creates a standard microstrip transmission line object. Engineering Paper (Printable PDF) Log-Log Graph Paper (PDF Download) Semi-Log Graph Paper (PDF Download) Smith Chart Graph Paper (PDF Download)A better estimate of the frequency where the higher-order microstrip mode becomes a problem is given by Equation (5. Low power handling. The edge couple differential symmetric stripline transmission line is a common technique for routing differential traces. 1 3. 1: Microstrip transmission line structure and design parameters. Download the reverse microstrip calculator.