Select the units for all dimensions: mm mils. Such a stripline is constructed with two traces referenced to the same reference planes above and below the traces with a dielectric material between them. We know that ZL in this case is 50 ohms, due to the. A simple microstrip is located on the top of the board, while an embedded microstrip is located inside the board substrate as illustrated below. A closed form impedance transformation is generated for the parallel plate radial microstrip line. Microstrip trace geometry, Waddell’s equations for microstrip impedance, and effective dielectric constant of microstrip traces. 7mil. One commonly used formula for calculating the characteristic impedance of a PCB trace or transmission line is the capacitance per unit length formula: Z0 = 1 / (C / L) where Z0 is the. This is the only way to calculate the total impedance of a circuit in parallel that includes both resistance and reactance. Note that if the wire is insulated, then the results of this calculator will just be an estimate. Most claim to use some or all of these formulas these formulas, but I have discovered ones, for instance, that appear to mistakenly substitute 0. Following equation or formula is used for slotline calculator. 5. Just enter the given values for trace thickness, substrate heights, trace width, and substrate dielectric. This online microstrip impedance calculator calculates the characteristic impedance of the microstrip (Ω), W/H ratio, and effective dielectric constant (εe) by entering the value of dielectric material relative permittivity (εr), the width of the copper trace (W), and dielectric height (H). Substrate Height (H) in mils. These properties can be useful for making fine adjustments to a microstrip design. November 21, 2023 Stefano Lovati. New Online Microwave Impedance Calculator. October 18, 2023 Maurizio Di Paolo Emilio. For 25 ohms, we calculate 31 mils line width and 7. Characteristic Impedance (Ohms): This calculator tool includes everything needed to calculate the lossless impedance of a stripline. Differential Microstrip Impedance From Zo. We use our online calculator to effortlessly compute the impedance, capacitance, propagation delay, and inductance of a microstrip line on a PCB. Stripline vs. Coaxial Cable Impedance Calculator. When I google “impedance calculators pcb” this website is the first hit. The. There are a number of pcb transmission line typologies. This means that on each side of the feed line there should be a distance of 1/2 the microstrip width on each side of the microstrip between the microstrip feed line and the patch antenna. We are now ready to calculate the microstrip characteristics. Microstrip Impedance Calculator. Don’t forget to check out our other. A cross-section of a microstrip transmission line is shown below. The full structure of the transmission line in microstrip_rlc. In fact, striplines often make components such as band-pass filter's more accurately, with more symmetric roll-off and no lower cutoff frequency. The characteristic impedance is given by: Eq. 6. To use this calculator, enter the values for the wire diameter and substrate. Following equations or formula are used for this microstrip patch antenna calculator. In the next page we will see what factor effect the differential impedance and how to calculate it. The accuracy of the equations was observed to be slightly better for higher permittivities. To use the calculator, place values in either the velocity of propagation field or the dielectric constant field. Reset. 0, medical, smart city, and other applications that are impractical or impossible with other wired and wireless technologies, providing twice the bandwidth and three times the speed of Wi-Fi 6, deterministic network support, and more…. The following formula is used to calculate the differential impedance of a microstrip: To calculate the differential impedance of a microstrip, divide the characteristic impedance of the microstrip by 2. Rectangle Loop Inductance Calculator. By determining its trace resistance, the contribution of a microstrip to the overall circuit resistance can be evaluated. W/H. L-Match Topology. T Match Impedance Calculator. Let’s start new project together!. For example, coupledMicrostripLine (Length. to NFThe coaxial cable, along with the balanced two-wire, is the most common type of transmission line used in RF communications. RF calculations and RF conversions include metric. View Notes. Microstrip Patch Antenna Calculator Calculate dimensions and edge impedance for desired resonant frequency. 32 and the equation shown in 5. ; Apply the values to the differential calculation, e. 5. 2301 [ohm] Z0 = 68. Traces in printed circuit boards can often form broadside or edge pairs and may introduce unwanted inductance. 5 resin). A calculator for solving the maximum current a microstrip can handle. Asymmetric Stripline. This tool is designed to calculate the inductance introduced by an edge-coupled trace. 1. 5. The use of a standardized impedance makes RF design much more practical and efficient. • Viewing of results for S-parameters, characteristics impedance (𝑍0), and Total loss for the entire frequency spectrum. 2H, the formula for the non-embedded microstrip should be usedThese calculators use a solution for the trace width in terms of impedance, or they use an iterative numerical technique to calculate the trace width from impedance. To use this calculator, enter the width of the trace, its separation (measured from the center), the thickness of the trace, and the relative. Rectangle Inductance Description. Minimum PCB Trace width with SMD components and. Coplanar Waveguide With Ground Characteristic Impedance Calculator. A matching network optimizes the transfer of power from a source to a load by maximizing the power delivered to the load while meeting other performance specifications. The wire microstrip transmission line is similar to a standard microstrip transmission line, but with a round conductor. 37 mil, H = 30 mil and T = 1. Once you know the characteristic impedance, the differential. Microstrip Calculator computes a microstrip's Effective Dielectric Constant and Characteristic Impedance. Understanding coax can be helpful when working with it. Γn is the reflection coefficient. Microstrip lines are used to convey microwave -frequency signals. There is a dielectric material between them. There are four different types of impedance used in characterizing differential trace impedances. *Accurate for arbitrary values of Er and w/h ratios. The websites associated with hits 2-5 all calculate the microstrip impedance for this stackup to be 50. One of the features of this type of microstrip is the coupling between lines. 3 ohms but I believe it should be 50. There are some advantages to using a microstrip transmission line over other alternatives. There are multiple tools on Internet to calculate the net width to use. Microstrip Impedance Calculator. 4: Normalized even-mode and odd-mode effective. 6 ohms. For this calculation, the units of d and h can be ignored as long as they have the same unit. Calculate Stripline impedance for given PCB parameters. Microstrip Calculator computes a microstrip's height/width ratio, impedance and relative dielectric constant for a microstrip transmission line. Available. coupledmicrostrip = coupledMicrostripLine (Name=Value) sets Properties using one or more name-value arguments. The substrate parameters (ε r and h) are required. By inputting the known values and leaving one variable blank, you can quickly calculate the missing parameter. 1< W/H < 3. 671; thus Z 0 = 48. INPUT DATA. The calculator then uses a formula to calculate the width and spacing of the trace or transmission line required to achieve the desired characteristic impedance. Resistance Tables. The required values are trace thickness, substrate heights, trace width, and subtrate dielectric in the calculator above and press the "calculate" button. microstrip = microstripLine creates a default microstrip transmission line using a Teflon substrate. 7. Not all calculators will explicitly state this. The Microstrip Impedance Calculator is an online tool designed to help engineers and technicians calculate the characteristic impedance of a microstrip transmission line. HFSS Waveport Size Calculator Figure out the correct waveport size to use in HFSS for a microstrip line feed. An embedded microstrip can be constructed using a microstrip with a solder mask. (2) When the line width (w) of the characteristic impedance (Zo) is calculated. Such a microstrip is constructed with two traces referenced to the same reference plane with a dielectric material between them. 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. The embedded microstrip impedance formula is an approximation and the results are highly sensitive to the values of the variables. Rogers Corporation is offering the newest version of its simple but powerful Microwave Impedance Calculator, MWI-2010. The simplified test bench setup shown in the above figure is used to measure the cross talk between two microstrip lines on a grounded substrate. If the ratio (L/W) is close to unity, the radiation pattern will be symmetric but may not provide a resonable input impedance. This calculator can calculate the impedance and propagation delay of the embedded microstrip. The coax is a good way to create a transmission line. Microstrip Length (L) in inches. 2) * (1 + 0. 2. Also, any two models that agree with the data to better than. Figure 2. The goal is to match the input impedance (Zin) to the transmission line (Z0). could someone point me towards reliable and proven method to calculate impedances for edge coupled differential microstrip?From here, we can see that there are specific stack-ups where a CPW and a microstrip/stripline will have 50 Ohm impedance and the same trace width, even though the ground clearance is quite close clearance to the trace in the CPW. The impedance bandwidth of the antenna is 2. With our handy calculator, you can choose from 50 Ohm, 75 Ohm, 93 Ohm and 95 Ohm coaxial cables. Relative Dielectric. If you need to find and use an efficient and accurate microstrip impedance calculator that provides lossless impedance values, you can use our free tool below. 1 of the Microstrip Calculator using H2 in place of h, εr,eff can be computed as specified in Eq. Calculates the characteristic impedance and per-unit-length parameters. This section of the site offers RF engineers quick access to popular calculators and design aids. This can be achieved by regulating the inner and outer diameter of the coaxial cable, along with the. 8. Within. First, let’s use the “analyze” approach. As with other microstrip devices, the conductor and the ground plane are separated by a dielectric. Use several of them and compare. Input w, and click on [ Analyze ] button. 6 Band Resistor. This page of converters and calculators section covers microstrip line impedance calculator. THESE FORMULAS ARE APPROXIMATIONS! They should not be used when a high degree of accuracy is required. Microstrip Mitred Bend Calculator. 0; 1 < ε r < 15). Relative Permittivity (input1) : Height of substrate (input2) : Width of line (input3) : Microstrip Line Impedance in Ohms (Output1): Effective Permittivity (Output2): EXAMPLE: Relative permittivity = 10. I used some online calculator to calculate parameters of trace so it has 50 Ohm impedance. EEWeb offers a free online microstrip crosstalk calculator. The stepped impedance lowpass microstrip filters have a cascaded structure of alternating high- and low-impedance transmission lines. 41)] * ln. The Smith Chart achieves this by superimposing a grid on S11 that maps load impedance. coupledmicrostrip = coupledMicrostripLine creates a default coupled microstrip transmission line with a Teflon substrate and default properties for a resonating frequency of 1. The Calculator assumes that 1. Section-2 describes the introduction to microstrip antenna and different impedance matching techniques. Microstrip Transmission Line Calculator Using IPC-2141 Equation. The Calculator assumes that 1. For example, if you wish to input "25000000", just type "25M" instead. This online microstrip impedance calculator calculates the characteristic impedance of the microstrip (Ω), W/H ratio, and effective dielectric constant (εe) by entering the value of dielectric material relative. H1 (Dielectric thickness) : 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. This calculator is heavilly based on . This is a required field. There should be a solid ground in the layer underneath the trace. This calculator finds both odd and even transmission line impedance. Press Analyze to see the results. Overview. 5. Input impedance (Ohms) Desired output impedance (Ohms) Note: This transformer cable should be electrically one quarter wavelength, or a multiple of an odd quarterwavelength. 2. 32 is the equation we usually rely on for the impedance of a microstrip trace. Characteristic impedance calculator for a 4-layer board. A. Effective Antenna Aperture Calculator. Z 0 now meets your requirements. Capacitance in pf/inch. Following is the list of useful converters and calculators. The quarterwave impedance transformation calculator is used to match an input and an output impedance at a given frequency for maximum power transfer. The stepped-impedance lowpass microstrip filters, which use a cascaded structure of alternating high- and lowimpedance transmission lines. 4. 6 mils line width, and the effective dielectric constant is 6. If there is an insulator around the wire then this calculator will be an estimate. An example is shown. Microstrip Line Calculator Analyze or synthesize a microstrip line based on substrate parameters and frequency. All calculators are approximations for general purpose use only and are not to be used for high degree of accuracy purposes. An embedded microstrip is a microstrip transmission line or flat conductor separated from the ground place via a dielectric material. Unequal-split Power Divider Calculator. dBm to Watt converter Stripline Impedance calculator Microstrip line impedance Antenna G/T Noise temp. That means on ten mil (254 micron) alumina, the width for fifty ohm microstrip will be about 9. The patch cutout for the feed inset should be > 2 times the microstrip width. Using typical values of W = 8 mil, H = 5 mil. Electromagnetic Compatibility Laboratory Microstrip Impedance Calculator Provide values for H, T, W and the relative permittivity of the dielectric and click the button. In this example, the characteristic impedance of the microstrip transmission line is controlled through the trace’s width. Created: 16 October 2022. Rectangle Loop Inductance Calculator. 5. Consider a transmission line of length L terminated by load impedance of ZL. The effective dielectric constant drives the length of the taper, this effect was not. THESE FORMULAS ARE APPROXIMATIONS! They should not be used when a high degree of accuracy is required. A circuit trace routed on an outside layer of the PCB with a reference plane (i. A Clemson ECE635 Project by Adam Schreiber and Jason Byers. Result. example. All transmission lines are 1 ounce thick (1. For example, if u = 1 and ε r = 10, then from the figure, Z 0 ε e = 126 Ω and ε e / ε r = 0. Single Ended Impedance Ω. 5. The Microstrip Differential Impedance Calculator simplifies the process of determining the differential impedance of a microstrip transmission line. 8. The Smith Chart graphically maps S11=reflection coefficient= (ZL-Z0)/ (ZL+Z0) to Load Impedance (ZL), normalized to Z0 (source impedance = center of chart). Go to the. This transmission line calculator. A certain microstrip line has fused quartz (ϵr = 3. EasyEDA directly supports controlled impedance designs for 4 and 6 layer PCBs only. This calculator is designed to determine the magnitude of the crosstalk on a stripline if its dimensions and source voltage is provided. 2. 02 m Slotline Equation. For better impedance control, use PCB design software you can trust. Most importantly, it computes the critical length of the trace. *Accurate for arbitrary values of Er and w/h ratios. 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. of typical printed circuit board trace geometries. The calculated impedance, Z, that is compared against the measurement impedance uses the series impedance of the slot calculated in the circuit shown in Figure 5. 34 (Hint: divide numerator and denominator by the square root of . Differential Microstrip Impedance Formula or Equation. Geometric Parameter Definitions: Saturn PCB - Toolkit for Impedance Calculation. A major advantage of a radial stub is that the input impedance presented to the through line generally has broader bandwidth than that obtained with the. 11ad wimax Zigbee z-wave GSM LTE UMTS Bluetooth UWB IoT satellite Antenna RADAREXAMPLE: INPUTS : Relative Dielectric Constant = 4. These tools seamlessly integrate with the rest of your design tools in a. To use this tool, enter the trace width, thickness, ambient temperature, temperature rise, and the microstrip length and click the "calculate" button. 4, loss tangent =. 2. INPUT DATA. Dual Stripline Trace. A coil inductance formula is based on the basic loop inductance. (1) When the characteristic impedance (Zo) of the line width (w) is calculated. The microstrip is a very simple yet useful way to create a transmission line with a PCB. 76mm Rogers4350B substrate at a certain frequency and with 35 micron copper thickness, line width becomes 0. 1 er 15 Note that 1. 1 to 3. Hallmark Circuits, Inc. The inductance of a ~1 in. 635 mm, W = 0. The Keysight Printed Circuit Board Trace Impedance Calculator (PCBCalc) app computes the characteristic impedance and sizes of typical printed circuit board trace geometries. 36) Co Equation: IPC-D-317A (Eq. Note: Units do not matter for this calculation as long as they are consistent. The Microstrip Impedance Calculator is an online tool designed to help engineers and technicians calculate the characteristic impedance of a microstrip transmission line. 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. Microstrip Impedance Calculator. Calculate the Differential Microstrip Impedance of a transmission line based on the the distance between the strips, height of the substrate, trace thickness and dielectric constant of the substrate. Agilent's LineCalc tool calculates Z odd = 50. Ideally clk, mosi and miso tracks should be the same length, kept. A coplanar waveguide calculator will operate in one of two ways. Click the button corresponding to the characteristic impedance to calculate its value. 15mm trace on top of GND plane with 0. In radio technology, crosstalk is a phenomenon wherein a signal in a conductor jumps to an adjacent conductor. In this case, the thickness of the dipole has a significant effect on its resonant length and input impedance. Typical thickness of an LPI mask over the traces is . This calculator is designed to calculate the characteristic impedance of a microstrip - a flat conductor suspended over a ground plane with a dielectric between them (see diagram below). There are many demands placed on PCB stackup design. For example, if you wish to input "25000000", just type "25M" instead. Edge Coupled Stripline Impedance Calculator. Microstrip Width Calculator. This is a required field. The impedance of microstrip is inversely proportional to the thickness of the signal track, but the difference for 0. [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. The next graph investigates this further. The Sierra Circuits Impedance Calculator uses the 2D numerical solution of Maxwell’s equations for PCB transmission lines. For simple cases it's just applying the formula found all over the internet or use one of the online calculators. Log-Log Graph Paper (PDF Download) Semi-Log Graph Paper (PDF Download) Smith. As an important part of the electronic radio frequency device, such as microstrip antennas, 1,2 resonant antennas, 3 microstrip line is the carrier and the transmission tool of energy and information. There is also a dielectric material placed above the conductor. Method: Designing an impedance matching network is a central. The width of the conducting layer is important to calculate the radiation intensity since it directly affects. These are considered to be standardized impedance values with cables readily available. 3 will accurately capture the dependence of Z0 on the parameters ϵr and h / W. A solution to the problems of microstrip is coplanar waveguide (CPW) shown in Figure [Math Processing Error] 3. Increasing H increases Zo. I have been trying to find a formula to calculate the impedance of an embedded microstrip where the substrate has a different dielectric constant to the superstrate (so the stack up is conducting plane - dielectric substrate - trace - dielectric superstrate) - with no luck so far. Microstrip Characteristic Impedance Calculator Using a Formula by Brian C. To use these to design for a target impedance, simply cycle through various geometric values for the trace width until the calculator returns the target impedance. Malcolm White. Select a configuration: Microstrip Trace. microstrip line are assumed to be quasi-TEM, and dispersion along the microstrip line is taken into account using the empirical formulas given in Appendix C. 0 dielectric would have a delay of about 270 ps. 0 2. 45 for gold. 3 shall be used. If, in addition to a differential impedance (Z Diff), you also need a defined Z 0, proceed as follows:. 3. Microstrip Trace Impedance Calculator; Stripline Trace. At some point the amplitude will stay constant. Reset. The characteristic impedance of your microstrips is determined by the trace width for a given layer stackup. 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. Most RF systems are built around 50 Ω impedance. With PCBWay impedance calculator, you can calculate the approximate impedance of your PCB / high frequency circuit board. These calculators will return an impedance value for pairs of trace width, substrate thickness, and copper weight values. 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. Pi-Matching Impedance Network Calculator. A quarter wave transformer is used to match two transmission lines with different impedances. 3. Input the parameter of the circuit board and center frequency. For a more accurate analysis, use ANSYS HFSS or similar programs. D = trace edge to edge spacing. The reason for this is that the conductor width scales with substrate height, so thicker substrates mean fatter conductors. 5mm, T=0. 13 from Pozar [1] in which a single-section quarter-wavelength transformer is designed to match a 350 Ohms load to a 100 Ohms microstrip transmission line at an. With this PCB impedance calculator, you can calculate the microstrip controlled impedance or the impedance of a variety of conductors in a printed circuit board. 3 is a plot of impedance versus trace width for the three most common types of transmission lines in PCBs-- surface microstrip (SMS), buried microstrip (BMS) and centered stripline (CSL). Terminate the transmission line in its characteristic impedance when the one-way propagation delay of the PCB track is equal to or greater than one-half the applied signal rise/fall time (whichever edge is faster). Impedance in Ohms. This calculator is designed to calculate the characteristic impedance of an edge coupled stripline. The electrical parameters may be determined from specified physical parameters, or the physical parameters required to meet a given set of electrical parameters may be found. fsp is composed of two metal traces and a lumped RLC element 2 mm long placed in between; the metal traces and the substrate have the same properties as in the FDE simulation. For a case of dielectric constant of 4. Z diff = 2* Z o (1 - 0. It is important to note that in industry we can find that some differential pairs are routed this way for a strong coupling, but. Following is the list of useful converters and calculators. Microstrip Mitred Bend Formula or Equation. The JLCPCB Impedance Calculator computes track width values and recommended stack-ups from user-input values of board layer, thickness, copper weight, target impedance, trace spacing (for edge-coupled pairs), and impedance trace to copper gap (coplanar waveguides). h – rectangle short side. Microstrip Impedance Calculator Provide values for three of the four parameters H, T, W, Z 0 and the relative permittivity of the dielectric. Calculates the differential impedance of a microstrip pair. Quarter Wave Transformer Impedance Calculator. Printed Circuit Board (PCB) RF Microstrip Calculator with Formulas. L-Match Topology. Once you have the reflection coefficient, you can use it to calculate the S-parameters by comparing with your feedline impedance. Atwater, “Simplified Design Equations for Microstrip Line Parameters”, Microwave Journal, pp. The stripline impedance calculator provided below is useful for gaining an initial estimate of trace impedance for striplines. As seen from the formula when D decreases, while keeping H constant, Zdiff decrease. Type: Options are microstrip (single-ended), coplanar (single-ended), edge-coupled (differential), and dual coplanar (differential). microstrip target impedance: 50 Ω. Since the antennas showed low return losses compared to. The source for formulas used in this calculator (except where otherwise noted) is the Design Guide for Electronic Packaging Utilizing High-Speed Techniques (4th Working Draft, IPC-2251, February 2001. Be aware that there are many microstrip impedance calculators on the Internet that give sometimes widely varying results. The dielectric material and the air above the microstrip makes it a transmission line with the inhomogenous dielectric. 71. 1 (a). (4)The impedance depends on the net width, the net height, the board type and so one. Coplanar waveguide characteristic impedance calculator. Ask Question Asked 1 year, 4 months ago. d – wire diameter. 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. Nowadays, devices are more complex and delicate, so more appropriate calculations can increase the functionality of PCBs and devices. 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. 4. This calculator uses JavaScript and will function in most modern browsers. WILKINSON POWER DIVIDER CALCULATOR. Impedance Matching pins of IC to microstrip line. Differential microstrip impedance calculator is an online electronic tool to measure the opposition to alternating current. The phase is mostly + 90 ∘ or − 90 ∘, indicating that Zin is mostly reactive. In both cases, you’ll need to enter your stackup information into the calculator to get accurate results. Altium Designer’s differential line impedance calculator will set up your impedance-controlled differential pair routing widths for you. So two estimates have been calculated for the frequency at which the first higher-order. Equation 11. 31. 71. 9, h = 0. **Note: Like our microstrip line impedance. 3 predicts Zo to be about 46 Ω, generally consistent withHere lies the challenge: impedance calculators must balance speed and accuracy. Apparently it. 7E-6 [Ω · cm] L is the trace length [cm] T is the trace thickness [cm] W is the trace width. A great example is the surface microstrip which forms on the outer layers of the PCB. Loop Inductance Calculator. The characteristic impedance (Z o) of coplanar waveguide with ground or microstrip lines with signal side ground plane can be calculated using the active calculator or the equations at the bottom of the page. The thickness and width of the printed wire, the distance between the printed wire and the ground, and the dielectric constant of the dielectric determine the characteristic. This assumes ~0 trace thickness. 37) If H1<1. When I google “impedance calculators pcb” this website is the first hit. All Conversion Calculators. Wire Microstrip Impedance Calculator. It shows the minimum trace-to-ground spacing required to. This calculator determines the impedance of a symmetric differential stripline pair. 0. 1 W/H 3. 4. 3%, are. This is the same calculator integrated in other open-source tools like the microwave circuit simulator Qucs, or the circuit board design tool KiCad. The MWI-2017 Microwave Impedance Calculator software is able to calculate key parameters for most common microwave transmission lines, including microstrip, stripline, and coplanar-waveguide transmission lines. 035 mm) h is the Thickness of dielectric. Just as a sanity check, we can quickly calculate the total inductance of a trace determined with this method and compare it with typical values. The tools from Cadence can help designers create, simulate, and analyze microstrip. guideline pertaining to microstrip PCB impedance. Wire Self Inductance. Getting the Most Accurate Impedance Calculations. As can be seen from the table, the calculators cover a variety of geometries such as microstrip, embedded microstrip,This calculator is designed to calculate the characteristic impedance of an edge coupled stripline. It also determines the wavelength and the length adjustment. Assuming that there is no loss in the transmission process, the characteristic impedance of the antenna can be expressed by the distributed capacitance C per unit length and the phase velocity Vp:Overview. com Microstrip Impedance Calculator. Microstrip impedance calculator Mixer spur calculator mmWave Link Budget calculator Noise Figure/Temp converter Optimal Mitre calculator Path loss calculator. 2. 1 (a). 06228 [dB] keven = 3. 6 GHz. Calculates the width of a Microstrip Transmission Line. Input Zo, and click on [ Synthesis ] button. .