[time-nuts] Re: PLL subharmonic spurs

[mail at vresearch.pt]

Just being rude Glen.

I'm searching for a source document that someone could share. Just that.

-----Original Message-----
From: glen english LIST <glenlist at cortexrf.com.au> 
Sent: 6 de fevereiro de 2022 22:51
To: time-nuts at lists.febo.com
Subject: [time-nuts] Re: PLL subharmonic spurs

This sounds a little off-topic.

If you are interested in harmonics of the reference frequency at the input
to the phase detector, this will be entirely defined by the fourier series
of the source. Get yourself a 2nd year EE student, they'll have this info
for you.

There will also be harmonics and products generated by the phase detector
inputs, perhaps, since logic gates have to square up rounded inputs.

depends what sort of phase detector all the way from full linear multiplier
to an XOR gate !


glen


On 7/02/2022 9:27 am, mail at vresearch.pt wrote:
> I'm really interested to estimate are multiple of the reference frequency
(i.e. at the input of phase detector).

-- 
Glen English
RF Communications and Electronics Engineer

CORTEX RF

Pacific Media Technologies Pty Ltd trading as Cortex RF

ABN 40 075 532 008

PO Box 5231 Lyneham ACT 2602, Australia.
au mobile : +61 (0)418 975077
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