Silicon Chip Magazine

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 |          Features          |          Downloads          |          Purchase          |          Contact Me          | ----------------------------------------------------------------------------------------------------------------------
Audio Spectrum Analyzer for the  Acoustic Specialist, Vibration Analyst, RF Engineer, or True Geek !

Fatpigdog's

Real Time FFT Spectrum Analyzer

Ultra-Pro

Spectrum Analyzer

OR ... Consider
the Brand New
.
.
.

Excalibur Version



New Verison
(Spectrogram of Diane saying Signal Labs, but then that's another story....)


Specifications - (Click Here)

* * *    Now Faster than ever !   ( Much, Much Faster ) * * *

Dual Traces  ( A  and  B )

Trace Normalization ( A  norm  B )

Trace Math ( A+B,  A-B )

Customizable Spectrogram Color Maps

Save Captured WAV Files.

Save User Configurations.

Define Default User Configuration.

Capture display to a BMP Image File

LINEAR or LOG Frequency Axis.

Totally scalable Window - Squish it down to postage stamp size if you want ! 

Download Files Here

Download Spectrum Analyzer Now !
After download, you will need the Registration Code.  Registration Code is provided upon payment.

Download Runtime Installer Here
If you've never installed this, you need to ... and its FREE !

Download User's Manual Here
The User's Manual goes into detail on all of the features, options, modes to help get you started.
Even some of the more well ... seasoned ... folks will appreciate built-in features here that Just Plain Don't Exist on their lab bench.

System Requirements !
Check to make sure you have these requirements satisfied .

Sounds (NEW !)
Make sure to checkout the wide variety of sounds (WAV files) available here FREE !!

Download SpectraGen FREE (NEW !)
Generate your own Image Spectrograms.  Get up and running Now, FREE !  Get the QuickStart Doc too!

ATTENTION Windows VISTA & Windows 7 Users !!!
To run this program successfully under Windows Vista or Windows 7, you must run the program as Administrator.  You can accomplish this by any of the following 3 choices:
Also  ..... 

ATTENTION 64 bit  Windows Users  !!!

To run this program under 64 bit versions of Windows, you must have the Microsoft Visual C++ 2005 32 bit redistributatble installed on your PC. Click Here to download the 2005, 32 bit VC++ redistributable from the Microsoft Download Center.




- - - - - - - - - - -   Feature Summary  - - - - - - - - - - -




Logical Control Panel

Control operation of Spectrum Analyzer through simple "pushbutton" controls.

Logical Grouping of related functions.

Functions just like Agilent or Tektronix Spectrum Analyzer.
Control Panel


Spectrum Plot - Detailed Display, with Soft Buttons

Screen annotation with important operating parameters including reference level, frequencies, markers,  and threshold. In this screen, the user has selected the Peak function.  On the screen you see the soft buttons for the Peak function.  Note the red marker sitting on the peak and the frequency and amplitude indicated in the upper screen annotation.

Spectrum Plot



        Dual Trace                                                                                  Math Operations:
                  Trace A-Write,    Trace B-Max Hold                                Trace A-Write, Trace B-Average, Trace C-Normalization

Dual Trace, Max Hold on B      Tri-Trace, Normalization to Avg


Spectrogram Plot

Frequency - Time Plot, Now there's something you don't get on the traditional spectrum analyzers (ok, maybe you do get it if you pay enough).   This is great for displaying frequency histories, such as voice prints for example.

Voice Spectrogram

Custom Color Maps !!  Here is just a sampling:
Hot                                                                          Negative                                                                     Quench
Spectrogram with Hot Color Map  Spectrogram with Negative Color Map  Spectrogram with Quench Color Map


Spectrogram on Steroids !

This is what you can do with a spectrogram plot if your tricky.  Download this WAVE File and listen to it.  Then after you download the Real Time FFT Spectrum Analyzer, select the wave file as the input source to generate this Image Spectrogram. 

Want to generate your own Image Spectrograms?
Get SpectraGen FREE Now
Click Here

Spookey Spectrograph


Tracking Generator - Turning this on will make all sorts of cool chirp sounds as the Tracking Generator puts out a sweeping tone synchronized with the capture of the Spectrum Analyzer.  Handy for figuring out the frequency response of rooms, coffee cups, etc.

Calibration Tone - Just like the big boys, turning this on generates a tone at a programmable frequency.  Hint ... if you have a 16 year old daughter, set the tone to 16 kHz and turn up the volume.  It will drive her nuts !! (but don't do it when the wife is home, or you may be sleeping on the couch).

Input Selector - Select between real time audio input from microphone, line-in, or playback monitor OR select file input.  With file input, you browse around to your favorite .wav file.  Then as the analyzer sweeps, it plays and analyzes the .wav file.  If your handy with software, or you wait for me to write it, you can convert digitized RF to a wav file and analyze your captured RF signals on this very affordable, uber performance laden spectrum analyzer !!

Various Fields - These started out as debug fields, but I figured most of you Geeks out there would want to see this info as well (I use Geek most affectionately here).  Fs is the sample rate, T is the Sample interval for each sweep, N is the number of samples capture per sweep, Nfft is the number of samples that are FFT'd per sweep (Note that this number can be greater than N .... :-) , Nswp is the number of samples that are displayed per sweep (and this can be larger than N too), File is the file that you selected as the input source if you are running in FILE Input mode, Ptr is a block pointer into the input file, and FFT Overlap is an indicator light that says that we are taking FFTs over more samples than we capture per sweep.

Bottom Controls






 

Fatpigdog's Real Time FFT Spectrum Analyzer - Ultra-Pro

ONLY $39.99 + FREE Shipping

After Payment through the PayPal Check out page,  you will immediately receive a Registration Code for the:
Real Time FFT Spectrum Analyzer,  Ultra -Pro Version

Half Price Discount Available (  Professors Take Note  ).
Purchase 5 or more licenses and pay only $19.98 each.

*** HEY ! Click the "Like" Button for FREE Excalibur Upgrade !! ***


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