RF-Toolbox Pro vs Smith Charts使用状況と統計

Specialized on high frequency electronics for RF professionals, radio amateurs and students. RF-Toolbox is based on the popular Electronic Toolbox by Marcus Roskosch. This app contains some of the common tools of Electronic Toolbox but contains a wide range of additional tools, specialized for high frequency electronics, RF professionals, radio amateurs and students. Currently RF-Toolbox consists of more than 90 tools and like Electronic Toolbox, there are more to come over the time. Feature list: ■ PCB Trace Width (Internal and external Traces) ■ PCB Trace Resistance ■ PCB Trace Impedance (various trace types e.g. Microstrip, embedded Microstrip, Symmetric and Asymetric Stripline, Wire Microchip, Wire Stripline, Edge Coupled Microstrip and Stripline) PCB Crosstalk (Microstrip and Stripline) ■ LC L/T/Pi Match calculation ■ Coax Cable calculation (Standard and individual Types) ■ Amplifier and Attenuator cascade calculation ■ SWR / Reflection / Return loss conversion ■ Power Divider (Branchline, Ratrace and Wilkinson) ■ Capacitor Plate calculation ■ RLC Parallel, Series and Circuit calculation ■ Noise Figure conversion ■ Skin Depth calculation (various materials from Aluminum to Silver) ■ Butterworth Filter (also with plot of filter chart) ■ Chebyshev Filter (also with plot of filter chart) ■ R-C, L-C, R-L High/Low/Band-Pass Filter ■ RF Units conversion (quick conversion of frequently used units) ■ Air coil inductance calculation ■ Resistors, Capacitors, Inductors in Parallel / Series And there is much more... ■ Aktive Filter calculation tool ■ Antenna calculation tool ■ Delta Star calculation ■ Cable length / ampacity tool ■ PTC / NTC Temperature Resistance conversion ■ AC Ohms law tool ■ Zener diode circuit calculation ■ Constant current source tool ■ ASCII Table ■ Desktop calculator ■ Resistor/Capacitor/Inductor combinations tool ■ 4-20mA conversion tool ■ Passive cooling calculator ■ Audio Oscilloscope Please check out more screen shots on my website (WEBSITE Link on the left side). If you have questions, please feel free to contact me by using the Support button here, inside the App or on my website. Thank you! Marcus Roskosch

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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.