Ad
related to: smith impedance chart
Search results
Results from the WOW.Com Content Network
Using the Smith chart, the normalised impedance may be obtained with appreciable accuracy by plotting the point representing the reflection coefficient treating the Smith chart as a polar diagram and then reading its value directly using the characteristic Smith chart scaling. This technique is a graphical alternative to substituting the values ...
Quarter-wave transformers are illustrated in an impedance Smith chart. Looking towards a load through a length l of lossless transmission line, the normalized impedance changes as l increases, following the blue circle. At l=λ/4, the normalized impedance is reflected about the centre of the chart.
The Smith Chart allows simple conversion between the parameter, equivalent to the voltage reflection coefficient and the associated (normalised) impedance (or admittance) 'seen' at that port. The following information must be defined when specifying a set of S-parameters:
English: Most basic explanation of the Smith chart. A wave travels down a transmission line of impedance Z0, terminated at a load ZL. The voltage reflection coefficient is Gamma. The normalized impedance is z. Each point on the Smith chart represents a value of z (bottom left), and also represents the corresponding value of Gamma (bottom right).
Smith diagram or Smith diagramme may refer to: . Smith chart, a diagram by American electrical engineer Phillip Hagar Smith, used in electrical engineering; Smith fatigue strength diagram [], a diagram by British mechanical engineer James Henry Smith [], used in mechanical engineering
In electronics, an immittance Smith chart can be created by overlaying both the impedance and admittance grids, which is useful for cascading series-connected with parallel-connected electric circuits. This allows for the visualization of changes in impedance or admittance in the system caused by components of either the series or parallel circuit.
Looking towards a load through a length of lossless transmission line, the impedance changes as increases, following the blue circle on this impedance Smith chart. (This impedance is characterized by its reflection coefficient, which is the reflected voltage divided by the incident voltage.) The blue circle, centred within the chart, is ...
The impedance, Z, of the DUT can be calculated from the reflection coefficient by, = + where Z 0 is the characteristic impedance of the line. An alternative method is to plot the VSWR and distance to the node (in wavelengths) on a Smith chart. These quantities are directly measured by the slotted line.
Ad
related to: smith impedance chart