The applications (I've used more than one) that I've used in the past are pretty old by now, so I found this supposedly more recent list of free applications:
However, this one looks pretty powerful and the standard version is only $30 US dollars if you buy it before December 15.
73,
Dave?? AB7E
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On 12/13/2019 3:15 PM, Bob Albert via Groups.Io wrote:
I will have to look around; do you have a link to a specific audio SA?? Basically I want it to measure distortion of an audtio oscillator.
Bob
On Friday, December 13, 2019, 01:52:57 PM PST, stone_ridge_road <xdavid@...> wrote:
There are various free PC applications that use the sound card for an
audio spectrum analyzer.? If you use a good quality sound card (flat
response, low noise level) I would think that the results would be
pretty good.? The sensitivity is typically good enough that there are
even VLF receiver applications out there.
73,
Dave?? AB7E
On 12/13/2019 12:56 PM, Bob Albert via Groups.Io wrote:
An audio VNA would be great, as would be an audio SA.? I have use for the latter but it's not a common item.
Bob K6DDX
