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Simple Make Wav is command line which allows to create a wav file with a sinusoidal or triangular or rectangular or personnal signal and to adjust voltage, frequency and cyclic ratio.
And generate PS or TCL/TK file graphic image of the WAV form, too
Usage :
./smakewav [options] -o file.wav
Examples :
./smakewav -o example.wav
./smakewav -o example.wav -f 440 -d 10 -t sin
./smakewav -o example.wav -f 1000 -d 10 -l 1 -t rec -cr 20 -ps example.ps -nps 2 -wps 10 -sps 0.5 -bgps...
This program is a soundcard based signalgenerator and
oscilloscope for low frequency and low voltage signals written for linux using the alsa api. It uses the internal DAC/ADC of the soundcard (PCM) to capture signals or generate them.
Depending on the available PCM device, it's possible to
generate or capture signals up to 96 Khz.
A GTK+/Gnome2 graphical front end for the IW3HEV Vector Network Analyzer, also has a signalgenerator, and It displays graphicaly SWR, Phase, Return Loss, X impedance, Serial resistance, |Z| Impedanze, and Inductance, and capacitance.