“468” is the constant used to convert frequency in MHz to feet. The remaining three Electromagnetic Engineering Calculators are general purpose analysis tools. Frequency. 34 RF / Microwave Design - Line Types and Impedance (Zo) Coplanar Waveguide)‘b’ should be less than λ/2 for best performance. Step number two is used to find the width of the patch. A stripline has two references, often multiple ground planes, and are surrounded with the dielectric. 1t + 2. 1. Version 7. The microstrip is designed so that its length is one-quarter or one-half of the wavelength of the signal propagating through it. Wavelength on microstrip line. Telegram. microstrip returns a microstrip transmission line object whose properties are set to their default values. Backwards crosstalk creates a pulse width that is twice that of the propagation time of the pulse traveling the coupling distance. n = Fresnel Zone number (>0) λ = c/f = wavelength. What is the range of characteristic impedances that can be used in design? A microstrip line with a substrate having a relative permittivity of 10 has an effective permittivity of 8. 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. λ = Signal wavelength in meter (m) = c/f ( where f = signal frequency, C = speed of light = 2. 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 amplitude of this crosstalk is what this tool calculates. For this reason, trace width is important in the design of striplines. The prototype filter is composed of quarter-wavelength spaced shunt stub transmission lines. 025 of a wavelength (1/40th of a wavelength) or the antenna efficiency will be degraded. 74mm. For example, if you wish to input "25000000", just type "25M" instead. The designed antenna has a resonating frequency of 2. 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. This parameter is used for the loss calculations. 8541878128 (13)×10 −12 F⋅m −1 ) To calculate a dielectric constant, divide the permittivity of the substance by the permittivity of a. Added Watts to resistor dividers in Ohm’s Law calculator. [1] [2] [3] In other words, it is the length of the conductor measured in wavelengths. Frequency to Wavelength Calculator. Dear Friend, the dimensions of a quarter wave transformer depend on two main paramenters: the impedence to match and the dielectric characteristics. Praneeth. A parallel-coupled lines filter in microstrip construction. Light weight. The microstrip patch antenna model used for the numerical simulation in Ansoft HFSS is shown in Fig. Our wavelength calculator tool uses the given frequency and dielectric constant/velocity of propagation (VoP) of the RF input signal. 43. Problem 2. 1. The substrate parameters (ε r and h) and the frequency of interest are required. ). 6 GHz frequency band is targeted to comply with the FCC spectral mask for UWB systems. 2 Loss of CPW lines. Determine the length of a stub that implements a 2. A microstrip line with (Z_{0} < 20:Omega) will be wide and there is a possibility of multimoding due to transverse resonance. A 90° transmission line shorted at the far end acts like a parallel LC tank circuit. [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. This tool calculates the matching network necessary to terminate a line of the specified characteristic impedence (Z o) in a specific complex load impedence (R L + jX L) at a specified frequency. The wavelength on a transmission line,. Just enter the given values for trace thickness, substrate heights, trace width and subtrate dielectric in the calculator above and press the "calculate" button. The Marchand balun was first reported in December 1944 issue of Electronics, titled "Transmission line CONVERSION TRANSFORMERs" (their caps, not ours), by author Nathan Marchand of Federal Radio and. See moreAnalyze. 2GHz bands. 6 is a quarter-wave transformer, a quarter-wavelength long line with a particular characteristic impedance which is used in two ways. To determine the width (W), the microstrip patch antenna calculator was used to provide an initial starting point. calculate guided wavelength for the particular frequency to consider fringing effect taking into consideration the effective dielectric constant relating c the speed of light in free space= 3x10. Skin Depth Calculator. Print - Advertisement - A tool designed to calculate the guided wavelength inside a microstrip. Version 7. 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. It can be used to provide maximum power transfer from a source to a load resistance, and it can invert an impedance, e. Watt To dBm Calculator. Quarter wave Antenna Design Calculator - 50 Ohm 1/4 wave antenna measurement calculator for any frequency. Coplanar Waveguide Calculator. Patch Width,Overview. 04 in the ε eff. “468” is the constant used to convert frequency in MHz to feet. A slot or gap with a conducting coating on a dielectric substrate makes up a slot line, a form of transmission line comparable to CPW. Power to Voltage. 4 GHz operation on a substrate with 2. The entry unit of frequency can be modified, the output wavelength is calculated in meters. The calculator requires you to input any two of the following three parameters: wave speed, frequency (or wave period) and wavelength. A node is a point on a standing wave of minimum amplitude. If you consider the PCB trace as a lossless transmission line, the characteristic impedance Z0 = L C−−√ Z 0 = L C but the velocity factor is inversely proportional to L ⋅ C− −−−√ L ⋅ C (where L & C are per unit length). *Comparisons show minimal differences to ADS linecalc and Polar Instruments Quicksolver industry standard tools. Dielectric Thickness: mm. 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. dBm To Watt Calculator. The logarithmic scale on the horizontal axis allows for better illustration. Wu Components –lumped inductors and capacitors Design of capacitors Interdigital capacitorThe earliest and most common microstrip antenna is the rectangular printed patch. 2. 0075e-6) creates a microstrip transmission line with thickness of 0. This parameter is used for the loss calculations. 12/16/2013 · Compact ultra-wideband microstrip-to-coplanar stripline transitions The transition lengths are about 0. 0005 and thickness 2. At frequencies ranging from 30 to 40 GHz, conductor losses are around 0. Wr is a correction factor defined as Wr = W + 1. This frequency to wavelength calculator helps you determine the wavelength of a waveform based on the frequency. However, if the parasitics differ much from 0. Frequency: Frequency at which the stripline is analyzed or. 04 Updates & Additions: Fixed an issue when sending ErEff to Wavelength calculator when comma used as decimal point. The amplitude increases as the coupling length increases up to a point. Enter one of the three values and the calculator will output the other two. Er. dB. Microwave couplers are devices which divert a fraction of the signal on one transmission line to another transmission line. This is a required field. 5: Microstrip Design Formulas. 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. 1 3. The plots show the magnitude and phase of the input impedance. Bandwidth, Rise Time and Critical Length Calculator TRY TOOL . 2023 Microwaves101. Frequency in MHz:The radial stub is used to provide a broadly resonant RF short circuit. (2) The azimuth and elevation angles are denoted by ϕ and θ, respectively. Above. For example for a frequency of 300MHz with a wavelength 1 metre, 0. With specific circuit designs, the calculator also predicts other properties such as wavelength in the circuit, skin depth and thermal rise above ambient. The loss calculation is divided into conductor loss and dielectric loss. Noise Conversion Calculator. Distributed-element filters are mostly used at frequencies above the VHF (Very High Frequency) band (30 to 300 MHz ). Microstrip Patch Antenna Design CalculatorA low cost microstrip-fed dual frequency dipole antenna has been developed for personal communication network (PCN) and wireless LAN (WLAN) applications in the 2. These are much shorter than the associated guided-wavelength, so as to act as semilumped elements. The design process began with the design of a single element patch antenna element that operates at 2. They consist of a conductor fabricated on the dielectric substrate of permittivity ‘𝜀r’ with a grounded plane. Op-Amp Voltage and Gain Calculator. 671; thus Z 0 = 48. The calculations are. 1 : microstrip line . To use the calculator, place values in either the velocity of propagation field or the dielectric constant field. The length of a half-wavelength dipole can be calculated by the given formula: L =. 300 mm (~one foot) is one nanosecond delay in free space, and is one wavelength (360 degrees) at 1 GHz. Quarter Wave Transformer Impedance Calculator. 9 MHz. A quarter-wavelength transmission line equals the load's impedance in a quarter-wave transformer. 08. Frequency Domain Method: This calculator uses the frequency, either entered or calculated from risetime, to find the full wavelength in air and divide from that. The Q-factor of the resonator can be described as either a loaded Q-factor, unloaded Q-factor, or external Q-factor. 4mm PCB for a trace width of 0. Figure 3. The Pasternack wavelength calculator Transverse Electromagnetic Mode (TEM) allows you to determine the wavelength (in millimeters) inside a rectangular waveguide. Bandwidth Calculator & Max PCB Trace Length Calculator. f: resonant frequency. This is a commonly used transmission line, as it can be cheaply fabricated using printed circuit board techniques. where. 45 ghz, with quarter-wave microstrip line. Microstrip Width Calculator A microstrip width calculator can calculate the width of a microstrip. Let the maximum frequency in an analog signal be 𝐟 𝐦 Hz and 𝐯 be the signal speed, then,. This is a commonly used transmission line, as it can be cheaply fabricated using printed circuit board techniques. 5, f =1×. For example, rfckt. TEM wavelength is the distance between two adjacent peaks or troughs of adjacent cycles of the TEM wave. Figure 2. 4 (for typical FR-4. 2. 5. The effects of unfavorable housing height versus wavelength and different parasitic modes is shown (right). 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. The stepped-impedance lowpass microstrip filters, which use a cascaded structure of alternating high- and lowimpedance transmission lines. The Wavelength in Microstrip/Stripline Calculator can be utilized to determine the guided wavelength. It consists of rectangular substrate and the metal trace layer as shown in Fig. Here is a list of some of the calculators in this app: Attenuator Calculators. Useful converters and calculators. From the electric circuit theory view point, a resonance is created in the spectral vicinity of the electric-magnetic energy balance and hence its. Relative Dielectric Constant ( εr ): Track Width (S): mm. Tools. An embedded microstrip can be constructed using a microstrip with a solder mask. Design a transmission line segment that matches 300 Ω to 50 Ω at 10 GHz using a quarter-wave match. λ g is the wavelength in the dielectric material of the printed-circuit (pc) board. Waveguides are. so the phase velocity for the wave guided by this line is about c/ 2. 4. Pasternack's RF calculators and conversions section provides engineers valuable and easy-to-use tools ranging from complex mathematical formulas to simple conversions. In fact, striplines often make components such as band-pass filter's more accurately, with more symmetric roll-off and no lower cutoff frequency. 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). Consider a dipole antenna from the Antenna Toolbox™ with an operating frequency of 75 MHz and corresponding wavelength of 4 m. Output Power Ratio (PA/ PB) Calculate. Microstrip Via Hole Inductance. pH nH uH mH H kH. Frequency to Wavelength Calculator. Linkedin. 4. Using this formula, you can calculate the characteristic impedance. 1 λ 0). 1: Microstrip transmission line structure and design parameters. Microwave Discrete and Microstrip Filter Design. Quarter wavelength antennas stackSolved 13. T = 1/f = 0. 5 Microstrip Line. A microstrip has one reference, often a ground plane, and these are separated by a dielectric. When in doubt, use 1 for copper, . VSWR to Return Loss. Stripline offers much improved isolation over microstrip, but at the cost of increased RF loss. A stripline resembles a microstrip line and comprises a center conductor pattern symmetrically embedded completely within a dielectric, the top and bottom layers of which are conducting ground planes. Shorting Pin At the Feed to a Patch Antenna A shorting pin can also be used at the feed to a patch antenna, as shown in Figure 2. Cadence/AWR. λ is the wavelength of the signal in free space. 4. 7117=1. 22mm. This calculator is designed to determine the magnitude of the crosstalk on a stripline if its dimensions and source voltage is provided. A microstrip is a type of transmission line in which a strip of a conducting material like copper is mounted on a. 11. 1 dB. Height: Height of the substrate. Electronics tools & calculators. 1 (a). 75; i. First the model of the microstrip patch antenna has to be drawn in HFSS. Examples of TEM: Free space, Coax, Stripline, Waveguide. Wavelength. Wavelength Calculator (TEM) Calculate a wavelength in the presence of a dielectric. The weakly coupled lines exhibit a linear coupling response with a slope of 6 dB/octave. This calculator is designed to calculate the signal wavelength in transverse electromagnetic mode if the dielectric constant or the velocity of propagation is known. 003 λ o ≤h ≤ 0. 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. To. 3: Normalized characteristic impedance and normalized effective permittivity of a microstrip line as a function of u = w / h. - Free Space Path Loss - Inductive Reactance and Admittance Calculator - Microstrip Patch Antenna Calculator - Wavelength Calculator - RF Power Density and many more. 45 for gold. dBm to Watt. Compared to waveguides, microstrip is generally has a lower power handling capacity, and higher losses due to the fact that it is not enclosed. The thickness of the ground plane or of the microstrip is not critically important. ꟷMicrostrip lines are types of planar transmission lines widely used in printed circuit boards (PCBs) • Made by a strip conductor, dielectric substrate, and a ground plate. 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. This calculator helps you determine the magnitude of the crosstalk that could occur on a microstrip given its dimensions and source voltage. 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 known as "substrate". Qucs should include a microstrip open stub element, which will also model fringing effects at the open end of the stub line. The next step is to design the dimensions of the individual microstrip lines connecting the directional coupler using Table 5. The calculator uses well known closed form equations to determine impedance and loss of a given circuit model. Assume microstrip line for which propagation occurs with wavelength 60% that. 1 High Impedance; 4. We are there to assist. It is a kind of internal antenna. Design a transmission line segment that matches 300 Ω to 50 Ω at 10 GHz using a quarter-wave match. Calculate the radiation pattern and input impedance for a half-wavelength dipole at 74. 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. calculate, also it is dependent on the width of the patch as well as the operating wavelength. However, it is difficult to suggest any. 3. Bandwidth ratio of antenna with maximum planar area [] and minimum planar area [] is calculated as 2. 2 permittivity and 1. This tool is designed to calculate the resistance of a microstrip trace with a copper conductor. This kind of port simulates an infinitely long waveguide connected to the structure. 45 for gold. When use the calculator, put values in the velocity of propagation field and the dielectric constant field. 738. 2 Low Impedance; The formulas developed in Section 4. In general, θ = ( π / 2) ( f / f 0). This is a commonly used transmission line, as it can be cheaply fabricated using printed circuit board techniques. When cascaded with high impedance quarter-wavelength transmission lines, the radial stub can provide an effective decoupling network for microwave. 6 GHz f Higher-Microstrip = c / ( 4 h ε r − 1) = 10. Make a 1/4 Wavelength Antenna + Calculations - YouTube. The microstrip coupling lines provide the input/output coupling and its strength are determined by the gap width and length (S 2, L 2 and S 3, L 8). 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. The entry unit of frequency can be modified, the output wavelength is calculated in meters. 5 Ohms Whip Antenna Formula. 5 GHz. Decibel Calculator. In some cases, users require a custom impedance value. To achieve a matching impedance of 50 Ohm, the ground plane elements are bent down at an angle of 45 degrees and no matching stubs or balans are needed. Relative Dielectric Constant ( εr ): Track Width: mm. There is also a dielectric material placed above the conductor. 4 GHz would be 4. ϵr,eff ≈ (4. The tool provides two networks that will have the desired impedence at that frequency, but their. By determining its trace resistance, the contribution of a microstrip to the overall circuit resistance can be evaluated. The characteristic impedance (Z o) of coplanar waveguide with ground or microstrip lines with signal side ground plane can be. 19. Result: Microstrip Patch Antennas (or simply patch antenna) are increasingly useful because the antenna is printed directly onto a circuit board. A hairpin filter is compact and can be folded from the open line (frac{lambda }{2 }) wavelength microstrip resonator having stepped impedance to form ‘U’-shaped small structure that consists of parallel-coupled lines on both sides. 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. The fabrication procedure for slot lines is the same as that for microstrip lines. 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. Microstrip impedance calculator Mixer spur calculator mmWave Link Budget calculator Noise Figure/Temp converter Optimal Mitre calculator Path loss calculator Phase Noise to Jitter converter PLL PFD Frequency calculator PLL loop filter calculator Potential divider calculator Propagation time calculator Gamma to Impedance converter Reactance. If you want a thinner microstrip, you need to reduce the substrate height using one of the following solutions: Use a thinner 2-layer PCB, for example 0. Frequency: Frequency at which the stripline is analyzed or. 05 * λ or the gain is larger than 16 dBd you should get distrustful. On our example FR-4 PCB operating at 6 GHz, a wavelength may be calculated from the well known formula as, Where F = MHz, λ (wavelength) = meters, Er = 4. 4, tan ? = 0. The microstrip patch antenna model used for the numerical simulation in Ansoft HFSS is shown in Fig. 11b and 802. 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. Waveguide ports represent a special kind of boundary condition of the calculation domain, enabling the stimulation as well as the absorption of energy. 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. Free space Wavelength λ [mm] Length of Monopole λ/4 [mm] Diameter of Monopole [mm] 802. The higher the value, the larger the loss. Step 1: Calculation of the Width (W): The width of the Microstrip patch antenna is given by equation (3. INPUT DATA. Our RF calculators and converters will provide the figures you need for your radio frequency engineering needs. This calculator computes the trace width of a stripline if the maximum current, trace thickness, temperature rise, ambient temperature and length are given. Enter F and F (GHz) Metric (millimeters) English (inches) Advertisement. Once you input two parameters, the calculator will calculate the remaining one and display the result. Disadvantages include: Limited bandwidth (usually 1 to 5%, but much more is possible with increased complexity. m. Figure 3. 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. This option is only available when signal risetime is the selected input method and only affects the IPC-2251 calculator. Once you input two parameters, the calculator will calculate the remaining one and display the result. T= Experimental temperature. The microstrip line is one of the most popular choices of transmission lines in microwave and RF circuits. To behave similarly, the reactance of the tank inductor will be equal to 4/ π times the line impedance. An antinode is a point on a standing wave of maximum amplitude. Hz to PPM Calculator. 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. Fig. These include: Conversion: dBm To Watt Calculator | Frequency to Wavelength | Noise Figure to Noise Temperature Calculator | Noise Temperature to Noise Figure Converter | Watt To dBm Calculator | Wavelength to Frequency. Calculate the power P r a d radiated by the antenna by integrating the radiation intensity ( U ( θ, ϕ)) over the infinite radiation sphere ( S ∞) P r a d = ∫ S ∞ U ( θ, ϕ) s i n θ d θ d ϕ. Wavelength. Updated on. Structure and Dimension of Microstrip and. Microstrip patch antenna input impedance in the fundamental mode (i, j, k) = (1, 0, 0). 3): fHigher-Microstrip = c/(4h εr − 1− −−−−√) = 10. Moreover, microstrip impedance and guide wavelength are undesirably sensitive functions of substrate thickness. Waveguide calculator. Microstrip Wavelength Calculator Microstrip was first introduced by IIT federal telecommunications laboratories in new jersey in December 1952. Using this formula above as an example, at the wavelength at 2. 1 High Impedance; 4. microstrip = microstripLine creates a default microstrip transmission line using a Teflon substrate. In this paper, a rectangular microstrip patch antenna is designed using HFSS software. By adding the formulas of the dielectric and copper, a similarly simple formula of total attenuation is obtained. Example. It is suitable for the production of flat structure transmission lines of microwave integrated circuits. A microstrip line is shown in Figure (PageIndex{1})(a). 2 nH inductance at 6 GHz using microstrip line with characteristic impedance (50~Omega) and phase velocity (0. Overview. . Calculate the wavelength λg from the given frequency specifications as follows: λg = c√ϵr f. The period is the sine wave is the time from any given pint on the cycle to the same point on the following cycle. Then the transverse field is dominant and the fields are called quasi-TEM. 11. The microstrip width calculator uses the following parameters to calculate: Dielectric thickness (h) Target impedance (Zo) Relative dielectric constant (εr). To determine the width (W), the microstrip patch antenna calculator was used to provide an initial starting point. In order to prevent higher-order transmission modes which might ruin your day, you should limit the thickness of your microstrip substrate to 10% of a wavelength. 4. nm um mm cm m mil inch. The microstrip patch is designed so its pattern maximum is normal to the patch (broadside radiator). A microstrip line is shown in Figure (PageIndex{1})(a). Dielectric constant and guided wavelength of microstrip and stripline designs. 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. Helical or Helix Antennas transmit a circular polarized wave. The width “W” and Length “L” of. Wavelength: The wavelength is the distance between two consecutive points on a wave. Supposing to match an impedence Zin and the load RL, the impedence of the quarter wave transformer is Z1^2 = RL * Zin. Check Details Calculator antenna plane sedan calculate quarter ground length designedThe resonant frequency of an LC Circuit is the frequency at which the inductive reactance and capacitive reactance of the LC circuit are equal. 34 RF / Microwave Design - Line Types and Impedance (Zo) Coplanar Waveguide)‘b’ should be less than λ/2 for best performance. Coupler Fundamentals. 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. The dielectric material and the air above the microstrip makes it a transmission line with the inhomogenous dielectric. The higher the value, the larger the loss. So it should be possible for the velocity to change without the characteristic impedance changing, but. When in doubt, use 1 for copper, . Due to space and resource constraints, amateur radio log-periodic antennas are often. TRL works great, but it has a lower frequency limitation in. 6: Microstrip Design Formulas. These equations are relatively simple compared to other transmission line geometries, comprising only 2 interrelated equations for the microstrip impedance and. Rho: Conductor resistivity relative to copper. h is the height of the microstrip line above the ground plane. In high frequency applications, microstrip devices are not efficient, and because wavelength at high frequencies are small, microstrip device manufacturing requires very tight tolerances. A microstrip is a type of transmission line that consists of a conductor fabricated on dielectric substrate with a grounded plane. Clemson Vehicular Electronics Laboratory: Transmission Line Impedance Calculator. PathWave Advanced Design System (ADS) Background. This tool will also give you the magnitude of the coupled voltage between. Thickness: Thickness of the stripline conductor. - Wavelength Calculator - RF Power Density and many more. The range of dielectric constant (Er) over which the results are valid is 2 to 15. f = resonant frequency in Hz. microstrip trace width calculator microstrip wavelength calculator most viewed n way power divider calculator noise figure calculatorThe strip of a microstrip line has a width of (0. Following is the list of useful converters and calculators. 0300 meters. A 100 GHz frequency window can be measured in less than 25 milliseconds, resulting in a measurement update rate of 40 Hz. To compensate, the lengths of the transmission lines could be adjusted. In this paper, we design a concentric circular patch antenna excited by microstrip feed and operates at 5. 1. 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. This difference is more with the decline in the ratio of substrate thickness to strip width. 11g WiFi operates between 2412 MHz and 2462 MHz. The Q-factor of a resonator varies with how and to what circuit the resonator is connected or loaded. Microstrip verses Stripline)Microstrip has Lower Loss Tan Problem. 0300) creates a microstrip line of length 0. f if the frequency of the RF signals. Wavelength and Frequency.