matchedRF vs Smith Charts使用状況と統計

matchedRF is a network synthesis tool for broadband RF applications. It supports impedance matching for a restricted class of terminations - namely the capacitive sources and loads that are so commonly encountered during the design phase of RF power amplifiers. Since filter structures are the most efficient broadband impedance-matching structures, matchedRF outputs filter-based lumped LC ladder structures that are matched to user specifications at both ends of the network. The tool is helpful in that the parasitic capacitance of an active device can be absorbed by the matching components at either end of the network or even both ends simultaneously. matchedRF is directly applicable to input matching, output matching and interstage matching in the design of broadband RFIC and millimeter wave power amplifier systems. Wherever possible, matchedRF generates the Fano-Optimum, lumped-element Chebyshev filter structure representation. Bandpass topologies of network order 2 through 6 are supported. In addition, the tool supports the recommendation, insertion and manipulation of lumped-element impedance transformers. matchedRF provides the transformer solutions (if they exist) and allows users to further add or remove transformers and make refinements such that component values closely match those supported by their manufacturing process. matchedRF plots the frequency response of: - insertion loss - return loss - transmission phase - group delay matchedRF exports to the following formats: - Text format .csv - Design summary documentation .pdf - S-parameter .s2p - matchedRF format .pamatch matchedRF - broadband impedance matching support for the design of optimum RF power amplifiers.

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Smith Charts

A great experience of the Smith chart. Also in dark mode. With hand circles, ruler and point reader this chart can easily replace a physical one, making its use much faster. Functionalities: - Works on iPhone and iPad. - Drag and zoom in the chart. - Create multiple Smith Charts and name them. - Switch easily between input and output plane. - Use a ruler and drag it with the finger or Apple Pencil to obtain the wavelength toward generator of a point on the chart, instantly. - Tap the chart with the finger or Apple Pencil to show the coordinates in algebraic notation, then tap on the pointer button to show magnitude and phase of that location, and the corresponding impedance. - Insert circles by hand; modify the radius dragging a circle to keep the center in place, or press to translate them and modify the radius keeping the opposite side in place. Then use the padlock button to disable interaction of gestures with circles. Advanced tools for engineering: - Insert: scattering parameters, specifications (Ga, Gp, Gt, NF), noise data (gamma s optimum noise, minimum NF, rn) and the input/output reflection coefficients. - You will see the results appear on the chart while you are inserting data. - Results representable on the smith chart: input/output stability circles, equiGa, Gp, Gt, NF circles, reflection coefficients towards load and source and optimum power coefficients. - Other results: obtained results (Ga, Gp, Gt, NF) and stability results (D, K, kind of stability). - You can also insert a custom circle and a segment in the input and in the output plane, defining its center and radius in a textfield. - Choose the color and if to show or not every result. - Choose if to show or not the label of every result.