Thanks for clearing that. Have a nice sunday.


At 06:22 2017-12-03, Richard Pope wrote:
>Mario,
>     It could be as low as double the voltage that it is bypassing but=20
>the 50V ones are easier to find and very common.
>Thanks,
>rich!
>
>On 12/2/2017 11:11 PM, Electron wrote:
>> Thank you for all replies. I would like to address one in particular:
>>
>> Just one question, why 50V? Just because it's very difficult to find 100=
nF
>> ceramic capacitors of lower voltage, or 50V specification is truly neede=
d
>> (but why? it's a 3.3V circuit after all).
>>
>> Thank you.
>>
>> Have a nice sunday,
>> Mario
>>
>>
>> At 00:15 2017-12-03, Richard Pope wrote:
>>> Mario,
>>>      Yes! I won't go in to the reasons why. I bypass the Oscillator
>>> and/or oscillators and all of the digital ICs. Linear VRs are also
>>> bypassed but look at the datasheet to get the proper values. I mostly
>>> use 0.1uF 50V Ceramics. I have at times used 0.01uF 50V Ceramics.
>>> Thanks,
>>> rich!
>>>
>>> On 12/2/2017 12:18 PM, Electron wrote:
>>>> Hello,
>>>> it may seem a banal question, but as it's the first time I use an exte=
rnal
>>>> oscillator (with integrated crystal), I am not sure. The datasheet mak=
es no
>>>> mention whatsoever to the need to use a bypass capacitor in the power =
line:
>>>>
>>>> https://global.kyocera.com/prdct/electro/product/pdf/clock_k_e.pdf
>>>>
>>>> But is this truly the case?
>>>>
>>>> Should I put a (100nF?) bypass capacitor anyway in your opinion?
>>>>
>>>> Space on the board may be used for something else otherwise, so I don'=
t
>>>> want to put useless components. But then again who does.
>>>>
>>>> Also, I guess there's no advantage in grounding the metalcase on this
>>>> integrated oscillator, like I use to do with Xtals. Maybe it's already
>>>> grounded but I haven't received it yet.. I ask in case it's not.
>>>>
>>>> Thank you.
>>>>
>>>> Kind regards,
>>>> Mario
>>>>
>>>
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