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Re: LF: 73kHz Today

To: [email protected]
Subject: Re: LF: 73kHz Today
From: "Costas Krallis" <[email protected]>
Date: Tue, 01 Feb 2000 19:49:25 +0200
In-reply-to: <[email protected]>
Reply-to: [email protected]
Sender: <[email protected]>
At 15:26 01/02/2000 +0000, you wrote:

I would guess that the sidebands are due to power supply ripple, and that when FSK modulation is on, all the sidebands get modulated too. Since the data is probably not syncronised with the mains, the end result is the amazing racket we are used to.
From the symptoms you describe, I agree with your diagnosis.
It is definitely a power supply problem, possibly caused by
faulty filter capacitors.



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