|[AMRadio] GG 813 Linear in GE Ham News|
w5omr at satx.rr.com
Thu Sep 29 12:33:33 EDT 2005
Gary Schafer wrote:
See? I -knew- I was getting muddled again. (~sigh~)
Gary, let me apologize for not understanding your statements, but I'll
stand by what I said to be wholly true.
I've been corrected, and it's a true statement. Read below"
>> It does not matter what type of signal is modulating the signal when
>>> the linear amp is involved. Whether it is a sine wave or speech or
>>> anything else. The PEP rule still applies for 100% modulation! You can
>>> not exceed 100% positive peak modulation if the carrier is set at any
>>> level greater than 1/4 the PEP output capability of the amplifier.
>>> Unless you want to operate it in a non linear mode.
>> <>>I Disagree with that.
> Gary's statement is true.
> He is speaking of the PEP max output capability of the AMP. If the PEP
> maxoutput of the amp is 1000 watts then regardless of the symmetry of
> the audio, <>250 watts is the max carrier it should run on output. If
> asymmetrical then you would need to reduce the carrier to maybe 100
> watts output. At 250 watts carrier output the amp would reach
> saturation before 100% modulation in any case.
73 = Best Regards,
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