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− | ==Cable tools==
| + | [http://www.desmith.net/NMdS/Electronics/TraceWidth.html PCB Track width calculator]<br> |
− | [http://www.epanorama.net/index.php?index=calc_cable Cable resistance/rating calculator] | + | [http://www.epanorama.net/index.php?index=calc_cable Cable reistance/rating calculator]<br> |
− | [http://en.wikipedia.org/wiki/American_wire_gauge#Table_of_AWG_wire_sizes Wire sizes] AWG, mm2 sizes, resistances etc. | + | [http://en.wikipedia.org/wiki/American_wire_gauge#Table_of_AWG_wire_sizes Wire sizes]AWG, mm2 sizes, resistances etc. |
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− | == Ohm's Law Tools ==
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− | [http://www.rcrowley.com/eirp.htm Voltage - Current - Resistance - Power Calculator]
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− | [http://www.rcrowley.com/rfc.htm Resistance - Frequency - Capacitance Calculator]
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− | [http://www.rcrowley.com/cfl.htm Capacitance - Frequency - Inductance Calculator]
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− | [http://www.rcrowley.com/dbm.htm dBm - Voltage - Impedance Calculator]
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− | [http://www.rcrowley.com/zenerreg.htm Zener Voltage Regulator Calculator]
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− | == PCB tools==
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− | [http://www.desmith.net/NMdS/Electronics/TraceWidth.html PCB Track width calculator] Maximum current, temperature rise above ambient, cross-section etc.
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− | [https://isodesign.isola-group.com isoStack] Tool for designing layer stackups featuring Isola products, Impedance calculator for SE and DIFF microstrip/stripline configurations
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− | [https://www.multi-circuit-boards.eu/en/pcb-design-aid/impedance-calculation.html Impedance Calculator] Tool for calculating the impedance of high frequency printed circuit boards. Supported methods: Surface Microstrip, Coated Microstrip, Edge-Coupled Surface Microstrip and Edge-Coupled Stripline (symmetrical)
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− | [https://saturnpcb.com/pcb_toolkit/ saturn pcb toolkit] is a very complete calculator for via, traces, diff pairs impedance, resistance, current capacity etc
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− | [https://kingfordpcb.com/] PCBA and PCB manufacturer
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− | == Capacitor Code Calculator ==
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− | [https://www.dyethin.com/SmallTool/smd_capacitor SMD Capacitor Code Calculator] Quickly convert capacitance marking codes to capacity and tolerances.
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− | == Resistance Calculators ==
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− | [http://www.eevblog.com/files/ResCAD20.zip Resistor CAD 2.0 by Terry Harris from Vader Systems]
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− | [http://www.qsl.net/in3otd/parallr.html IN3OTD series and parallel resistance calculator]
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− | [http://koti.kapsi.fi/jahonen/Electronics/ResOptimizer/ ResOptimzer (WIN32) from EEVBlog forum member jahonen ]
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− | [http://sparks.gogo.co.nz/resistor_paralleler.html Javascript resistor network solver from EEVBlog forum member sleemanj]
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− | [http://jansson.us/resistors.html resistor calculator from jansson ]
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− | ==RF Design utilities==
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− | [http://www.aade.com/filter.htm AADE Filter Design V4.5] Design and analyse passive filters in both the frequency and time domain.
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− | [http://www.janson-soft.de/amateurfunk/rfsim99/rfsim99.exe RFSim99 by Stewart Hyde] RF simulation with S-parameters. Not only for filters.
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− | RFSim99 is freeware software that helps with impedance matching and can simulate RF circuits. Plots Amplitude and phase response, different display styles including Smith chart. Uses one and two-port Scattering parameters. You can for example import an S-parameter file of your filter from your network analyser and have the software calculate matching. Requires [https://softwaretested.com/windows/ Windows] 95, 98, NT or 2000 (WinXP virtual machine runs it just fine)
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− | [http://www.everythingrf.com/rf-calculators RF Calculators] A series of RF Calculators optimized for Desktops, Tablets and Mobiles - Attenuator Calculators, Unit Conversions, Skin Depth Calculator, Link Budget Calculator and many more.
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− | [http://www.everythingrf.com/rf-calculators/microstrip-patch-antenna-calculator Microstrip Patch Antenna Calculator] This calculator calculates the length and width of a patch antenna based on the frequency, dielectric constant of the dielectric and the height of the thickness of the patch antenna substrate.
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− | [http://www.everythingrf.com/rf-calculators/skin-depth-calculator Skin Depth Calculator] Enter the frequency and the characteristics of the material to calculate the skin depth.
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− | [https://isodesign.isola-group.com/ Power Handling & Impedance Calculator] for PCB tracks on Isola dielectic materials, insertion losses
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