I've recently entered into a discussion with Tom GM4DOZ who with me is
interested in developing a way to communicate basic SDR concepts to a ham
population that doesn't yet understand it. In order to do that I thought it
might be interesting to try a colaborative effort here on the reflector
Lee,
I think this is a great idea, but let's move it to the Forums, which is
better suited for a collaborative effort rather than the reflector.
Each breakdown of the radio can be it's own discussion where everyone
can collaborate.
-Tim, W4TME
-Original Message-
From: [EMAIL
I think block diagram would be useful but what I want to impart also is a word
picture For example instead of using QSD I have been thinking of using
sampling chip defined as follows
The sampling chip (QSD) accepts the analogue signal from the mixer. It
samples this signal, as if it were
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The sampling mixer (QSD) is a lot like the wagon wheel in those old cowboy
movies. Remember how in the chase, it would appear that the wagon wheel was
going backwards. What you are seeing is the difference between the
projector frame rate and the rotation rate of the spokes on the wheel.
As I
Sounds like a great idea. within this framework, I think it would be useful
to introduce some related concepts and issues that are key such as:
--The role played by I Q - why they are so useful; maybe an attempt to
convey how I Q enable the demodulation; how AM. SSB, FM, etc are handled.
--The role played by I Q -
My IQ is at minimum, can you put it in 'comic book' form so I can understand
it?
I just learned my wife is ALWAYS RIGHT...so you can guess how stupid I am.
-
Once a hobby, now an expensive addiction.
The 5/April Flex Radio TeamSpeak audio
***mp3*** file is available at:
http://www.hamsdr.com/dnld.aspx?id=555
or
http://www.hamsdr.com/dnld.aspx
This session features Phil's unexpected
findings and future opportunities.
Mike - AA8K
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On 5/5/07, n3evl [EMAIL PROTECTED] wrote:
Sounds like a great idea. within this framework, I think it would be
useful
to introduce some related concepts and issues that are key such as:
--The role played by I Q - why they are so useful; maybe an attempt to
convey how I Q enable the
receiver. Choices, choices!
73,
Steve N6VL
-- next part --
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