A quarter-wave impedance transformer, often written as λ/4 impedance transformer, is a transmission line or waveguide used in electrical engineering of length one-quarter wavelength (λ), terminated with some known impedance. It presents at its input the dual of the impedance with which it is terminated. This sheet terminates the quarter-wavelength transformer and connects to the metallic boundary condition at z min. A port is used to calculate and inject the transmission-line mode of the feeding microstrip towards the transformer and load over a frequency range of 2 - 6 GHz. When constructing a quarter-wave impedance transformer it is important to know the velocity factor of the transmission line to get the lenght of the quarter-wave impedance transformer right. To calculate the quarter wave length of a certain transmission line with a known velocity factor and frequency you may use this calculator.

Microstrip quarter wave transformer calculator

b. Calculate the width of the quarter wave transformer microstrip transmission line based on the Z1 value that was found. The thickness (or height) of the PCB substrate, h, . This sheet terminates the quarter-wavelength transformer and connects to the metallic boundary condition at z min. A port is used to calculate and inject the transmission-line mode of the feeding microstrip towards the transformer and load over a frequency range of 2 - 6 GHz. Design of S-Band Transition Based on Microstrip Quarter-Wave Transformers Bashir Souid, Josh Merchant, Michael Rice, and Mahmoud EL Sabbagh Dept. of Electrical Engineering & Computer Science Link Hall, Syracuse, NY ABSTRACT In this technical report, the design of a high-frequency matching circuit is presented. ThisAuthor: Bashir Souid, Josh Merchant, Michael Rice, Mahmoud El Sabbagh. microstrip patch antennas. Transmission-Line Model It is the easiest approach to model and analyze the microstrip patch antenna. It is also less accurate, but gives a good physical insight. EM Cavity Model It is more complex than the transmission line model, and it is more accurate. It also gives physical insight. Full-Wave Model. Quarter Wave Transformer Impedance Calculator A quarter wave transformer is used to match two transmission lines with different impedances. As the name suggests, the length of this transmission line if fixed at a quarter of the wavelength (λ/4).Pasternack's Microstrip Calculator computes a microstrip's height/width ratio, impedance and relative dielectric constant for a microstrip transmission line. A quarter wave transformer is used to match two transmission lines with different impedances. It can only be used if the How do you design a Microstrip T junction Power Divider? Use (2) to calculate εr eff and (3) to calculate length = λ/4. A Ω lossless transmission line is to be matched to a resistive load impedance with ZL = Ω via a quarter-wave section as shown in the. Quarter-wave transformer in microstrip modeled in CST STUDIO SUITE ® under the “S-Parameter Calculations” menu on the “Post Processing” ribbon, with a. Quarter-wave transformers are used to match a load impedance with a port is used to calculate and inject the transmission-line mode of the feeding microstrip.

Many thanks for the help in this question, now I will not commit such error.