[ARC5] Lopsided modulation

Richard Knoppow 1oldlens1 at ix.netcom.com
Tue Feb 27 14:05:03 EST 2018


    Exactly, this applies to FM, PM and AM. For some reason it 
seems to be difficult for people to understand. Asymmetry of 
either AM or FM is usually due to having both.

On 2/27/2018 8:29 AM, Bob kb8tq wrote:
> Hi
> 
> In the case of un-equal sidebands, the “symmetry” of the modulation waveform has
> no impact.
> 
> Bob
> 
>> On Feb 27, 2018, at 11:27 AM, Kenneth G. Gordon <kgordon2006 at frontier.com> wrote:
>>
>> On 27 Feb 2018 at 16:01, Glen Zook via ARC5 wrote:
>>
>>> Now, I admit that I have not really done any experimentation with AM and, as
>>> such, I cannot definitely say that this asymmetrical voice characteristic can cause
>>> the same difference with the sidebands as it does with FM.  However, my "gut
>>> feeling" is that it just might be the cause with AM as well as with FM.
>>
>> I think one quick way to test this in Neil's case would be to simply have his wife, or daughter,
>> or any handy youngish female, talk into his system while viewing the signal with the SDR
>> receiver.
>>
>> Ken W7EKB
>
-- 
Richard Knoppow
1oldlens1 at ix.netcom.com
WB6KBL


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