Mismatch Error Limits Calculator
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Virtual Reflectometer Slide Rule
Reflectometer slide rules were handy for quickly looking up conversions between SWR, return loss, and reflection coefficient. Use this slide rule right on your computer (is this an anachronism?) in any JavaScript enabled web browser!
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dBm, dBW, dBuV Calculators
You can choose different calculations from the drop down menu.
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dB Calculators
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dBm to Milliwatts Calcula-torial
This workbook from the RF Technology Certification program demonstrates how to convert from dBm to milliwatts using approximation techniques without a calculator. An interactive calculator at the end demonstrates the process with values that you can enter yourself to practice.
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Mixer Waveform Explorer
This interactive web page allows you to look at the output waveforms from a switching-type mixer, as well as a pure multiplication. You can change the RF and LO frequencies and update the graph.
This demo is included in the Online RF Technology Certification program from Besser Associates.
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Calculators from EverythingRF
Everything RF has a page dedicated to calculators for RF applications. These include:
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eCalc Scientific Calculator
eCalc was formerly its own product/website but more recently has been incorporated into the EEWeb collection of engineering tools. It is a streamlined multi-function calculator, with unit conversion and several built-in scientific constants, that can be customized to suit the users preferences (including RPN operation!). The free online version runs without any special plug-ins required. Downloadable versions can be purchased for Windows and Mac OS (free trial available).
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Electronics and Electrical Engineering Tools
The electronics and electrical engineering tools section of the EEWeb site features several online calculators for RF and PCB related problems. The page also features links to graph paper templates (standard, log/log, etc.) that you can download and print as well as reference sheets on trigonometric identities, algebra, and integrals.
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PCB Design Toolkit
Software for Windows PC's with multiple calculators for PC board parameters.
The Saturn PCB Toolkit is the best resource for PCB related calculations you can find.
It incorporates many features that PCB designers and engineers are in regular need of like current capacity of a PCB trace, via current, differential pairs and much more. Please download our PCB Toolkit today for free and enjoy!
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