Sorry about the last post....
Regards,
Steven Winslow
On Oct 30, 2012, at 9:14 AM, Steven Winslow <winslow@earthlink.net> wrote:
> L
>
> Regards,
>
> Steven Winslow
>
> On Oct 30, 2012, at 8:29 AM, Andrew Welburn <andy@andysarcade.net> wrote:
>
>> Well could be, but with a ceramic in place, the noise went away :) if i had the time and wanted to really use the plastic, i could add a cap and find out.. but as it was, i just popped in ceramic and shelved the plastic for now..
>>
>> Andrew Welburn
>> http://www.andys-arcade.com
>>
>> On 30/10/2012 15:24, John Robertson wrote:
>>> Andrew Welburn wrote:
>>>> Yes, however i have found thet the plastic versions can be a little
>>>> 'noisier' ie, adding spikes to vectors. This might have just been the
>>>> particular one or two that i have seen, but i've had to replace
>>>> plastic ones with cermaic to fix problems before.
>>>>
>>>> Andrew Welburn
>>>> http://www.andys-arcade.com
>>>
>>> Could that have been poorer noise rejection requiring some extra HF
>>> bypass caps on the Vcc lines right at the device? As a side note, I
>>> recall IC sockets that had pre-soldered in caps across the power pins
>>> (7-14 or 7-16) back in the day...
>>>
>>> John :-#)#
>>>>
>>>> On 30/10/2012 05:47, Ian Eure wrote:
>>>>> Has anyone used an AD561JN in a vector board successfully? I poked
>>>>> around the datasheet, and it looks like the only difference is that
>>>>> JN uses a plastic housing instead of the ceramic used by the JD
>>>>> chips. They're rated the same in every other regard, so I assume they
>>>>> will work the same, but I thought I'd ask to see if anyone has done it.
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Received on Tue Oct 30 12:51:34 2012
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