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Old August 29th 07, 02:01 AM posted to rec.radio.cb
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First recorded activity by RadioBanter: Sep 2006
Posts: 298
Default VoiceMax CB Radio Speech Processor

On Sun, 26 Aug 2007 22:00:15 -0700, cmdr buzz corey
wrote:

|On Aug 26, 7:22 am, Telstar Electronics
|wrote:
| On Aug 26, 12:12 am,cmdr buzz
| wrote:
|
| To get the average modulation to 100% then you have to be
| overmodulating.
|
| Absolutely not!
| If you hold the modulation right at 100%... guess what the average
| is... lolwww.telstar-electronics.com
|
|You can modulate over 100% on positive peaks, assuming the power
|supplied to the final final amp stage being modulated can handle the
|extra power without clipping the envelope, but you can't go over 100%
|on negative peaks without distortion. So to get an average modulation
|of 100% with reasonable signal quality you would have to over modulate
|on positive peaks and never go over 100% on negative peaks. I doubt
|your processor nor any cb can handle that. So you can't just "hold the
|modulation at 100%".
|-------------

Yes there is was a technique used in the early days of AM called
supermodulation. That is where the positive peaks of the wavform could
exceed 100% but the negative peaks still cannot.

This is still not yielding an average of 100%.

james
 
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