The inventions and products featured on these pages were chosen either for their
uniqueness in the RF engineering realm, or are simply awesome (or ridiculous) enough
to warrant an appearance.
Screen shot of series and parallel components added to schematic.
See video below.
QuickSmith,
creation of Nathan Iyer, has been around for a long time. It is without a doubt
one of the most feature-filled examples of RF design software around. Nathan recently
released a Web-based version of
QuickSmith
on a GitHub server, which means it works on any platform with a browser - desktop
or mobile (some features are not accessible on mobile). Access is free, and you
can save and reload your design files rather than losing your work once you leave
the website. Being online also means that the latest version is always available.
The screenshot to the right illustrates where to place series and parallel components,
and where to access the sweep parameter settings. Be sure to scan through the FAQ
page for tips like setting the component up/down button value adjustments and turning
features on and off.
Per the QuickSmith website --
QuickSmith is a Smith Chart based linear circuit simulation program. Some of the
features offered by this program are listed below: - Ladder network, elements are
loaded using drag drop method.
Open and Save functions for schematic files
Impedance matching - Frequency/component sweep
Load impedance interpolation/extrapolation for frequency dependent loads
Q factors taken into account for network components
Amplifier design/analysis using gain/noise circles
Insertion loss and S21 graphs
Transmission line parameter calculations
Constant Conductance, VSWR and Q circles
Import and Export of data files
Help files with solved examples of network matching and amplifier design
RF Cafe began life in 1996 as "RF Tools" in an AOL screen name web space totaling
2 MB. Its primary purpose was to provide me with ready access to commonly needed
formulas and reference material while performing my work as an RF system and circuit
design engineer. The World Wide Web (Internet) was largely an unknown entity at
the time and bandwidth was a scarce commodity. Dial-up modems blazed along at 14.4 kbps
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when a new message arrived...
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