MAMEWorld >> EmuChat
Previous thread Previous  View all threads Index   Next thread Next   Flat Mode Flat  

italieAdministrator
MAME owes italie many thank yous, hah
Reged: 09/20/03
Posts: 15246
Loc: BoomTown
Send PM
Re: HELP:Measuring refresh rate of PCBs
01/05/11 10:50 PM


> I have tried adding the resistor (670 ohm, 620 ohm doesn't exist) and capacitor
> (510pF) as in the schematic of the datasheet but nothing has changed.The only thing I
> noticed is if I use the "attenuation X20" button on my frequency counter the reading
> from the PIN3 becomes stable and not more floating.

So you no longer expirience any issues?







Entire thread
Subject Posted by Posted on
* HELP:Measuring refresh rate of PCBs caius 01/04/11 01:14 AM
. * Re: HELP:Measuring refresh rate of PCBs italieAdministrator  01/04/11 04:22 AM
. * Re: HELP:Measuring refresh rate of PCBs caius  01/04/11 03:55 PM
. * Re: HELP:Measuring refresh rate of PCBs italieAdministrator  01/04/11 06:11 PM
. * Re: HELP:Measuring refresh rate of PCBs caius  01/04/11 08:01 PM
. * Re: HELP:Measuring refresh rate of PCBs italieAdministrator  01/04/11 08:40 PM
. * Re: HELP:Measuring refresh rate of PCBs caius  01/05/11 10:38 PM
. * Re: HELP:Measuring refresh rate of PCBs italieAdministrator  01/05/11 10:50 PM
. * Re: HELP:Measuring refresh rate of PCBs caius  01/05/11 11:09 PM
. * Re: HELP:Measuring refresh rate of PCBs italieAdministrator  01/05/11 11:22 PM
. * Re: HELP:Measuring refresh rate of PCBs caius  01/05/11 11:34 PM
. * Re: HELP:Measuring refresh rate of PCBs TheGuru  01/06/11 09:39 AM
. * Re: HELP:Measuring refresh rate of PCBs caius  01/06/11 10:47 AM
. * Re: HELP:Measuring refresh rate of PCBs TheGuru  01/07/11 09:49 AM
. * Re: HELP:Measuring refresh rate of PCBs caius  01/07/11 12:20 PM

Extra information Permissions
Moderator:  Robbbert, Tafoid 
0 registered and 193 anonymous users are browsing this forum.
You cannot start new topics
You cannot reply to topics
HTML is enabled
UBBCode is enabled
Thread views: 1862