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Re: LF: Softrock RX divider IC problem, unexpected frequency out

To: Claudio Pozzi <[email protected]>
Subject: Re: LF: Softrock RX divider IC problem, unexpected frequency out
From: Chris Wilson <[email protected]>
Date: Wed, 31 Jan 2018 15:09:55 +0000
Cc: [email protected]
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Hello Claudio,


Thanks  Claudio,  but  how  do  I  fix this issue? I can rebuild an F1
engine, but this is outside my comfort zone :)

Wednesday, January 31, 2018, 2:34:33 PM, you wrote:

>   
> On Wednesday 31 January 2018 11:19:51 you wrote:
>  
>> I don't know I was wondering that myself. Is it significant?
>  
>  
>  
> If the HIGH level is too low the following divider can't divide properly!
>  
>  
>  
> If the LOW level can sink few mA of current from the IC  the divider can be 
> degraded!
>  
>  
>  
> Random divide factor can be a consequence. 
>  
>  
>  
> from 74HC74 data sheet, see the VIH and VIL
>  
>  
>  
>  
>  
>  
> Regards
>  
> Claudio
>  
>  



-- 
Best regards,
 Chris                            mailto:[email protected]


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