Loss of a CPW line is primarily due to dielectric, radiative, and conductor losses. This tool is designed to calculate the inductance introduced by an edge-coupled trace. Fig. Example 3. The default units for all given values, except the subtrate dielectric, is in millimetres. 57 mm thickness. The calculator is set up to handle an asymmetric arrangement, where traces are not centrally located in the PCB layer stack. This is accomplished by properly choosing the modeModel a microstrip patch antenna using two feed methods (pin feed, microstrip edge feed). The Farad is named after Michael Faraday. The TEM wavelength is denoted by the lambda (λ), and the unit of the TEM wavelength is usually represented in nm/µm/mm. Fringing Fields for Microstrip Antennas. 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). Easy to form a large array, spaced at half-wavelength or less. The design process began with the design of a single element patch antenna element that operates at 2. Some are based on look-up tables, some completely hide their algorithms. Microstrip verses Stripline)Microstrip has Lower Loss Tan Problem. Version 2. 20 Apr 2021. To use the calculator, place values in either the velocity of propagation field. So it should be possible for the velocity to change without the characteristic impedance changing, but. Microstrip Patch Antenna. The specifications are: cutoff frequency=4GHz of impedance of 50 ohm. For more refer RF. Each student was assigned a unique frequency, 2. Waveguides are. . This calculator uses the. For example on 0. 13mm (depends on manufacturer's specs) and you get a trace width of ~0. L = inductance in H. Wavelength calculator ; Calculates the wavelength of a signal using Ereff. 2023 Microwaves101. Wavelength in microstrip line. June 30, 2021 at 12:32 pm. Manuscript received October 19, 1982; revised February 15, 1983. 1 Microstrip Dielectric Mode (Slab Mode) A dielectric on a ground plane with an air region (of a wavelength or more above it) can support a TM mode, generally called a microstrip dielectric mode, substrate mode, microstrip TM mode, or slab mode. 45 for gold. microstrip = microstripLine creates a default microstrip transmission line using a Teflon substrate. Examples of what this means: 15 mil. Quarter Wave Transformer Impedance Calculator. 34 RF / Microwave Design - Line Types and Impedance (Zo) Coplanar Waveguide)‘b’ should be less than λ/2 for best performance. This chapter explores the fundamentals of slotline such as the basic structure, operating principles, dispersion characteristics, guide wavelength, characteristic. Quarter Wave Transformer Impedance Calculator. 8. Draw the microstrip waveguide model and calculate the dimensions of the model. Above. Following formula/equations are used in the Whip. Quarter wave antenna Wave antenna quarter pattern radiation shape diy lenght vertical Patch antenna design for 2. Since the length has already been calculated, the only parameter left to calculate is the width of the Zl and Zh transmission lines for the stepped impedance low pass filter. pH nH uH mH H kH. Noise Conversion Calculator. (2) The azimuth and elevation angles are denoted by ϕ and θ, respectively. The Q-factor of the resonator can be described as either a loaded Q-factor, unloaded Q-factor, or external Q-factor. Using this formula above as an example, at the wavelength at 2. We want to calculate d (actual length of transmission line) Beta*d = 90 degrees Eqn (1)Abstract and Figures. 0. Refer article >> on design of microstrip patch antenna used in the mobile phone. A tool designed to calculate the guided wavelength inside a microstrip. It is easily miniaturized and integrated with microwave devices making it a popular choice of transmission line. The characteristic impedance of the quarter-wave transformer is calculated as Z1 = √(Z0 ZL) [1]. The radiation efficiency ( η r) is defined as. TX-LINE software is a free and easy-to-use Windows-based interactive transmission line calculator for the analysis and synthesis of transmission line structures. 5. This is a required field. Bandwidth Calculator & Max PCB Trace Length Calculator ; Calculates the bandwidth of a digital signal and maximum trace length, using the IPC-2251 method or the frequency domain method, for transmission line effects. Note 688). L. )Stripline has Better EMI Characteristics. 025 of a wavelength (1/40th of a wavelength) or the antenna efficiency will be degraded. 4 GHz operation on a substrate with 2. Where this comes from is this: at 10 GHz, the wavelength of a signal is 30 mm in air (300*10^8 m/s/10 GHz -> 3/100 m. Note that this defines the bandwidth given the operating frequency and wavelength in free space: Microstrip patch antenna bandwidth A Microstrip Patch Antenna Calculator 2)The equivalent wavelength may be calculated using S-parameters, and known distance between ports. New UI. The above equation is important: it states that by using a quarter-wavelength of transmission line, the impedance of the load (ZA) can be transformed via the above equation. Here is how we can calculate the propagation delay from the trace length and vice versa: Where: Vis the signal speed in the transmission line;Figure 3. Match a load with impedance ZA=100 Ohms to be 50 Ohms using a quarter-wave transformer, as. A quarter wave transformer is used to match two transmission lines with different impedances. Microstrip Analysis/Synthesis Calculator. This parameter is used for the loss calculations. Three different equal split Wilkinson power dividers are designed to operate near 1800 MHz and constructed using typical microstrip fabrication techniques. After designing the antenna, we would like to tune the frequency. microstrip couplers, the coupled lines are weakly coupled and are of one-eighth wavelength at the highest operating frequency. dBm to Watt converter Stripline Impedance calculator Microstrip line impedance Antenna G/T Noise temp. The wavelength of the signal that can propagate effectively inside a microstrip is called the guided wavelength. Quarter-wave transformers target a particular frequency, and the length of the transformer is equal to λ 0 /4 only at this designed frequency. Waveguide will routinely be 10X better than this benchmark! For stripline and microstrip, the attenuation factor always decreases when characteristic impedance is reduced. These equations are relatively simple compared to other transmission line geometries, comprising only 2 interrelated equations for the microstrip impedance and. The required inputs are the Dk value for the dielectric constant of the PCB substrate, and the. Where is the effective wavelength of the signal in the microstrip structure, utilizing the value. Telegram. 2 permittivity and 1. microstrip = microstripLine (Name=Value) sets properties using one or more name value pair arguments. 5 GHz. 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. where. XC = capacitor reactance. The formulas for calculating the signal speed on a PCB are given below:. - Dk = ɛ-jɛ’, where: ɛ = energy stored, and ɛ’ = energy lost. This parameter is used for the loss calculations. Using this tool, you can calculate 3dB bandwidth (BW), fastest signal rise time (tr), critical length (lc), maximum data transfer rate (DTR), and maximum frequency content (Fmax). Inputs Dielectric Constant Velocity of Propagation. This is a required field. One half-wavelength resonator of the high-frequency (f 2) signal path also provides port coupling function for the low-frequency (f 1. Microstrips arose because, at very high frequencies, the required circuit inductance and capacitance values were too small for standard inductors and capacitors. TEM wavelength is the distance between two adjacent peaks or troughs of adjacent cycles of the TEM wave. July 5, 2021 at 2:35 am. The microstrip lines used for building resonators are either open-ended, short-circuited, or connected to other circuits. They are related by the Dielectric constant of the medium. This helps in transfer of energy from transmitter module to antenna. This tool is designed to calculate the resistance of a microstrip trace with a copper conductor. 4 GHz operation on a substrate with 2. Be aware that there are many microstrip impedance calculators on the Internet that give sometimes widely varying results. 74mm. Let's download Engineering Calculators and enjoy the fun time. For analog signals, the critical length (l c) is defined as one-fourth of the wavelength of the highest signal frequency contained in the signal. Diagram of the feed structure of a microstrip antenna array. Microstrip Wavelength Calculator Microstrip was first introduced by IIT federal telecommunications laboratories in new jersey in December 1952. Microwave Discrete and Microstrip Filter Design. The defects on the ground plane disturb the current distribution of the ground plane; this disturbance changes the characteristics of a transmission line. This frequency to wavelength calculator helps you determine the wavelength of a waveform based on the frequency. Our proposed antenna design is a high gain, bandwidth, very low. A microstrip is a type of transmission line that consists of a conductor fabricated on dielectric substrate with a grounded plane. Added period input to Wavelength calculator. Microstrip band pass filters can be realized as End-Coupled half-wavelength resonator, Parallel-Coupled half-wavelength resonator, Hairpin-line Band Pass flters, Interdigital Band Pass filters, Combline filters, and half or quarter wavelength stub filter [4]. DGS has been integrated on the ground plane with planar transmission line, that is, microstrip line, coplanar waveguide, and conductor backed coplanar wave guide [12–24]. Theory of coupled line couplers For two transmission lines coupled together to form a four-port network, there are two things that have to occur with coupled lines to become a usable coupler with directivity and. Conversion Tables. The trace resistance of a microstrip is important in determining how much power it dissipates. Then requires input the values of the width, height, and the frequency. Example (PageIndex{2}): Wavelength and phase velocity in microstrip in FR4 printed circuit boards; 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 (PageIndex{1}). 11b and 802. On the left, a microstrip structure is illustrated, and on the right, a stripline technique. A microstrip antenna array is one of the simplest forms of antennas available. Rho: Conductor resistivity relative to copper. For example, with microstrip, you can specify the substrate parameters (primarily thickness and dielectric constant) and use Linecalc to calculate the impedance for a given line width; this is the “analysis” mode. Where f = frequency, T = time. The ccuitir is first simulated andThe free-space directivity of a log-periodic dipole array (LPDA) is a function of its taper τ and its chosen spacing σ. 3. For example for a frequency of 300MHz with a wavelength 1 metre, 0. The electrical length of your microstrip (L=4. Overview. From what I have understand I should use the following relationship: l = c/(f ∗ (√ Er)) l = c / ( f ∗ ( E r)) where Er is the dielectric constant of the material I use (Rogers 4350B), c is the constant value for the speed of light and. Along the slot line, the electromagnetic wave encounters the substrate and the air, which serve as its transmission medium. For example, if you wish to input "25000000", just type "25M" instead. TX-LINE software enables users to enter either physical or electrical characteristics for common transmission mediums: microstrip, stripline, coplanar. The integral parts of microstrip line for high frequency circuit design are bents and curves in it. However, it is difficult to suggest any. Your calculations check out for the given values, but keep in mind that the dielectric constant of FR-4 is not tightly controlled, and may vary between 4. At frequencies ranging from 30 to 40 GHz, conductor losses are around 0. A transmission line (coax, microstrip CPW, stripline but NOT waveguide) can be considered low-loss if the loss per wavelength is less than 0. EEWeb offers a free online twisted pair impedance (transmission line) calculator. And as a result, you have the wavelength of the dipole antenna. We calculate ‘w’ is from equation (8), (9) and (10). Scroll to continue with content. - MicroStrip Calculator - Cascaded Noise Figure Calculator - Resonant Frequency Calculator - Skin Depth Calculator. park0415. 4, tan ? = 0. Microstrip has conductors embedded in two dielectric mediums and cannot support a pure TEM mode. In fact, striplines often make components such as band-pass filter's more accurately, with more symmetric roll-off and no lower cutoff frequency. 45 ghz, with quarter-wave microstrip line. Stripline guided wavelength: Microstrip guided. T. "1/4 wavelength". Abstract. Calculate the speed of light in the microstrip line: v = (3 x 10^8 m/s) / sqrt(8) ≈ 1. Waveguide Calculator (Circular)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. Consider a square patch antenna fed at the end as before in Figure 1a. Fairview Microwave's TEM (Transverse Electromagnetic Mode) Wavelength Calculator allows you to determine the wavelength (in millimeters) inside a rectangular wave guide given the frequency and dielectric constant (or VoP) of the input signal. 4. specific number of transmission lines, each one quarter-wavelength long. The amplitude of this crosstalk is what this tool calculates. To calculate PCB trace resistance, The 50 ohm PCB trace calculator is designed considering the following formula. 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. Fed with a Quarter-Wavelength Transmission Line. Also (20:Omega) line is about six times wider than a (50:Omega) line and so takes up a lot of room and there is a good chance that it could be close to other microstrip lines or perhaps the wall of an enclosure. Most commonly we'll be looking at voltage. Rho: Conductor resistivity relative to copper. Don’t forget to check out our other. 1 The wavelength. A microstrip line is a microwave transmission line composed of a single conductor strip supported on a dielectric substrate. The best inexpensive TL design tool is TL calculator in LINC2 RF design program. Their low profile design, often square or rectangular, allows them to be mounted to flat surfaces. Power to Voltage. The microstrip patch is designed so its pattern maximum is normal to the patch (broadside radiator). First the model of the microstrip patch antenna has to be drawn in HFSS. Slotline, which may be used by itself or in association with microstrip, consists of a narrow slot or gap in a thin conductive layer on one side of a dielectric substrate of fairly high permittivity. 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. η r = P r a d P i n. 1 (a). Waveguide calculator. 2 Low Impedance; The formulas developed in Section 4. Housing dimensions are selected for microstrip circuits (left) to minimize losses. VSWR to Return Loss. For example, if you wish to input "25000000", just type "25M" instead. Dielectric Thickness: mm. 19. 4. Disadvantages include: Limited bandwidth (usually 1 to 5%, but much more is possible with increased complexity. The microstrip dielectric mode is a problem for narrow microstrip lines. An antinode is a point on a standing wave of maximum amplitude. Bookmark or "Favorite" this page by pressing CTRL + D. Be sure of which one you finally decide to use. Pasternack's Circular Waveguide Calculator will calculate the cutoff frequency for the device from its radius. In wireless communication, a microstrip patch antenna is commonly used to emit electromagnetic waves into space, made up of four basic parts: ground, substrate, patch, and feed, and has a ground. The Josephson SQUIDs are designed on top of a 2 µm thick SiO 2 dielectric layer, c. Pasternack PCB Microstrip Calculator is an online calculation tool that lets you compute a microstrip's height/width ratio, impedance and relative dielectric constant for a microstrip transmission line. Microstrip to waveguide transition is essentially a tapered microstrip line connecting microstrip of width ‘w’ to waveguide of width ‘A g’ as shown in Fig. In the next couple of slides we're going to be looking at terms related to wavelength and frequency. This calculator uses the following formulas for converting the values between the VSWR, return loss, reflection coefficient, and mismatch loss. 2. 0833 meters, Antenna Length (%) = 365. 15 to 0. The guide wavelength in waveguide is longer than wavelength in free space. 28. screenshot below. Example (PageIndex{2}): Wavelength and phase velocity in microstrip in FR4 printed circuit boards; 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 (PageIndex{1}). The WaveAnalyzer 1500S is an Optical Spectrum Analyzer offering very high spectral resolution in combination with a fast update rate of 4 measurements per second across the entire C-band. The calculator uses well known closed form equations to determine impedance and loss of a given circuit model. Cadence/AWR. Praneeth. 1t for W/h ≤ 1 and Wr = W + 1. e. Here's a microstrip patch antenna calculator from Jonny: After downloading numerous MSExcel Spreadsheet calculators from MW101, I thought I might contribute one. The spacer material is. We calculate ‘w’ is from equation (8), (9) and (10). 1. λ is the wavelength of the signal in free space. Return Loss to VSWR. Finisar - Wave Analyzer 1500S. It supports both balanced and unbalanced lines. Fairview Microwave's Waveguide Calculator provides the cutoff frequency, operating frequency range and closest waveguide size for a rectangular waveguide based on the custom inputted broad wall width. Wavelength: The wavelength is the distance between two consecutive points on a wave. Following equation or formula is used for directional coupler calculator. 1) Equivalent electric and magnetic surface current densities of a dipole antennaIt covers microstrip based DCS band design example of mobile patch antenna. 3. Crosstalk occurs when a signal "jumps" from one trace to another, a phenomenon that is unintentional and often unwanted. 9419 GHz. Yes, you can calculate the wavelength of a dipole. Microstrip Width Calculator A microstrip width calculator can calculate the width of a microstrip. When use the calculator, put values in the velocity of propagation field and the dielectric constant field. 34 RF / Microwave Design - Line Types and Impedance (Zo) Coplanar Waveguide)‘b’ should be less than λ/2 for best performance. 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. In fact, striplines often make components such as band-pass filter's more accurately, with more symmetric roll-off and no lower cutoff frequency. Input Zo, and click on [ Synthesis ] button. Article on Microstrip Lines Fig. microstrip returns a microstrip transmission line object whose properties are set to their default values. This calculator is designed to calculate the signal wavelength in transverse electromagnetic mode if the dielectric constant or the velocity of propagation is known. Coupling to Direct Line Insertion Loss Conversion Table for Directional Couplers. Cadence/AWR. 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. The dipole length is 2 m with a wire radius of 2 mm. This is based on the IEEE paper "Modeling Via Grounds in Microstrip" IEEE Microwave and Guided Wave Letters, Vol. add(ckt,[1 2 0 0],p1); add(ckt,[2 3 0 0],p2); add(ckt,[2 4 0 0],p3); setports(ckt,[1 0],[3 0]); Use the sparameters function to calculate the s-parameters for. The quarter-wave transformer uses a transmission line with different characteristic impedance and with a length of one-quarter. Microstrip Wavelength Calculator. 81. Calculates the bandwidth of a digital signal and maximum trace length, using the IPC-2251 method or the frequency domain method, for transmission line effects. Version 7. Select between microstrip or stripline. *Accurate for arbitrary values of Er and w/h ratios. 6, June 1991, by Goldfarb and Pucel. We're in Section 6. It is suitable for the production of flat structure transmission lines of microwave integrated circuits. Microstrip verses Stripline)Microstrip has Lower Loss Tan Problem. dBm To Watt Calculator. 6. As the name suggests, the length of this transmission line if fixed at a quarter of the wavelength (λ/4). A Clemson ECE635 Project by Adam Schreiber and Jason Byers. Step 3/4 1. Figure 2. In this tutorial, we learn about synthesizing a microstrip transmission (calculating its length and width) using the line calculator (LineCalc) tool availabl. 2GHz bands. “468” is the constant used to convert frequency in MHz to feet. Here, = resistivity at copper. 2. This line consists of a metal-backed substrate of relative permittivity (varepsilon_{r}) on top of which is a metal strip. Ae = Effective antenna aperture in m 2. The right-hand side of Equation (5. Simons, "Coplanar Waveguide Circuits, Components, and Systems", Wiley. An embedded microstrip is a microstrip transmission line or flat conductor separated from the ground place via a dielectric material. The first complete wavelength() for 360 degrees is calculated using the calculations shown below. The utility of this operation can be seen via an example. Advertisement. , n) is: Where, R = Radius of the Fresnel Zone in m/ft. Wavelength Calculator. This is a natural way to implement a transmission line on a printed circuit board, and so accounts for an important and expansive range of applications. 91mm) corresponds to, according to ADS' LineCalc tool, for your substrate, a 150-degree line, or 0. example. Frequency. Coplanar Waveguide With Ground Characteristic Impedance Calculator. Solution. This is a commonly used transmission line, as it can be cheaply fabricated using printed circuit board techniques. An embedded microstrip can be constructed using a microstrip with a solder mask. 75 ϵ r, e f f ≈ ( 4. 1-10. This can be achieved by regulating the inner and outer diameter of the coaxial cable, along with the. Linkedin. When it was introduced the microstrip is very big in size due to this it allows all the non-transmission electron waves it violate the results. A quarter-wave transformer is a simple impedance transformer which is commonly used in impedance matching in order to minimize the energy which is reflected when a transmission line is connected to a load. Our RF and microwave calculators and converters will provide the figures you need for your radio frequency engineering needs. The fringing field has an important effect on the accurate theoretical modeling and performance analysis of microstrip patch antennas. If ‘ε g’ is the wavelength in microstrip line then ‘Wt’ and ‘Lt’ can be determined by the relation given below from [8]: W t /A0. This calculator can calculate the impedance and propagation delay of the embedded microstrip. Just enter the given values for trace thickness, substrate heights, trace width, and substrate dielectric. When cascaded with high impedance quarter-wavelength transmission lines, the radial stub can provide an effective decoupling network for microwave. Figure 3. 6c). The UWB bandpass filter operating in the 3. 19. 4mm PCB. 1. All the very best. While commonly constructed using printed circuit boards, this structure can also be built using other materials as long as there is a conductor separated from. 5 Ohms Whip Antenna Formula. Angles, θ, are portions of a full wavelength at the desired frequency. The dielectric substrate is considered as a finite substrate and an infinite planar multilayer substrate. Height: Height of the substrate. Bandwidth ratio of antenna with maximum planar area [] and minimum planar area [] is calculated as 2. Useful converters and calculators. h = rfckt. 1 High Impedance; 4. Pasternack's RF Skin Depth Calculator are measurement calculation tools that allow you to input custom values, or choose from a list of commonly used material. Ω/mΩ/in. This calculator helps you determine the magnitude of the crosstalk that could occur on a microstrip given its dimensions and source voltage. Relative Dielectric Constant ( εr ): Track Width: mm. 5 + 1) / 2 = 2. Added period input to Wavelength calculator. Also, the effective dielectric constant differs based on the free-space wavelength. 2. In electrical engineering, electrical length is a dimensionless parameter equal to the physical length of an electrical conductor such as a cable or wire, divided by the wavelength of alternating current at a given frequency traveling through the conductor. The microstrip antenna can also be matched to a transmission line of characteristic impedance Z0 by using a quarter-wavelength transmission line of characteristic impedance Z1 as shown in Figure 2. Microstrip Wavelength Calculator A tool designed to calculate the guided wavelength inside a microstrip. Material Properties • Relative Permittivity ε r (or Dielectric Constant Dk) and Dissipation Factor (Df). A microstrip line is shown in Figure (PageIndex{1})(a). Microstrip Wavelength Calculator Microstrip was first introduced by IIT federal telecommunications laboratories in new jersey in December 1952. Microstrip Wavelength Calculator A tool designed to calculate the guided wavelength. E 0 is the permittivity of a vacuum. In electrical engineering, electrical length is a dimensionless parameter equal to the physical length of an electrical conductor such as a cable or wire, divided by the wavelength of alternating current at a given frequency traveling through the conductor. 5 resin). Microstrip line is used to carry Electro-Magnetic Waves (EM waves) or microwave frequency signals. ϵr,eff ≈ (4. 6 GHz. λ = The wavelength of the Antenna in meters. Ansys Employee. 1b shows the coupling scheme of the proposed diplexer. A different mode matching. With specific circuit designs, the calculator also predicts other properties such as wavelength in the circuit, skin depth and thermal rise above ambient. Backwards crosstalk creates a pulse width that is twice that of the propagation time of the pulse traveling the coupling distance. It assumes that the wave is traveling at the speed of light which is the case for most wireless signals. 2uS. The electrical length is represented by the phase shift in degrees. 1 Microstrip Dielectric Mode (Slab Mode) A dielectric on a ground plane with an air region (of a wavelength or more above it) can support a TM mode, variously called a microstrip dielectric mode, substrate mode, microstrip TM mode, or slab mode. Visit to learn more about our other electrical engineering tools. The microstrip patch antenna model used for the numerical simulation in Ansoft HFSS is shown in Fig. The propagation delay of the microstrip line can also be calculated, as per Eq. They are mostly used at. [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 color of visible light and the tone of a sound wave is determined by its frequency. 045 dB per wavelength for a 50 : line on a 10 mil substrate with Hr=2. Frequency in MHz:The radial stub is used to provide a broadly resonant RF short circuit. 4 GHz operation on a substrate with 2. The wavelength of the signal that can propagate effectively inside a microstrip is called the guided wavelength. The fabrication procedure for slot lines is the same as that for microstrip lines. 3. The twisted pair helps create a more uniform inductance and capacitance per unit length of wire to ensure a constant impedance, by keeping the return path as close to the signal as possible. Microstrip lines are used to convey microwave -frequency signals. The patch antenna is designed for 2. 3 enable the electrical characteristics to be determined given the material properties and the physical dimensions of a microstrip line. This calculator computes the trace width of a microstrip given the following information: maximum current, trace thickness, temperature rise, ambient temperature, and length. For example, microstrip = microstripLine (Length=0. The distance of second layer from first layer is between λ/3 to λ/2. T = 1/f. The elliptical antenna is modified to Ultra-wideband at a range (3.