[aprssig] Phase modulation question

[Steve Noskowicz]

As long as the two algorithms are equivalent.  In other words, if the DSP does the "same thing" as the UHF phase modulator.

-- 73, Steve, K9DCI

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--- On Sat, 9/12/09, Andrew Rich <vk4tec at tech-software.net> wrote:

> From: Andrew Rich <vk4tec at tech-software.net>
> Subject: [aprssig] Phase modulation question
> To: "TAPR APRS Mailing List" <aprssig at tapr.org>
> Date: Saturday, September 12, 2009, 10:09 PM
> 
> 
>  
>  
> 
> 
>  
> I have a question
> 
>  
> You get a carrier on 430
> MHz and modulate it with a 
> an audio signal that changes phase eg PSK
>  
> You get a DSP to create a
> low level phase shifted 
> carrier and then up convert to 430 MHz and send that to
> air
>  
> Are they different
> ?
>  
>  
>  
>  
> ----------------------------------------------------------
> Andrew 
> Rich 
> Airways Technical Officer Grade 4
> Surveillance - RADAR 
> ADS-B
> Amateur Radio Callsign VK4TEC
> email: vk4tec at tech-software.net
> web: www.tech-software.net
> 
> 
> -----Inline Attachment Follows-----
> 
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