[sdiy] Monostable questions

Dan Snazelle subjectivity at hotmail.com
Mon Jul 30 09:55:00 CEST 2012


Thanks all!!!!

Sent from my iPhone

On Jul 30, 2012, at 2:50 AM, Tom Bugs <admin at bugbrand.co.uk> wrote:

> The CMOS 4538 can be used too -- contains two monostables - set one for delay and then one for hold time.
> Tom
> 
> On 30/07/2012 06:20, Veronica Merryfield wrote:
>> 556
>> 
>> On 2012-07-29, at 8:59 PM, dan snazelle wrote:
>> 
>>> I was wondering if anyone had experience with a  chip that meets these requirements.
>>> 
>>> (the 4098 sort of can if you use both sections in tandem but it doesnt do quite what i want.
>>> 
>>> 
>>> is there any chip out there that  receives a pulse then puts out a brief pulse a set duration later....the duration can range from short to very long
>>> 
>>> 
>>> the 4098 does something different....instead of the RC time constant determining the length of the delay, it determines the length of the ON TIME
>>> 
>>> I am looking for something that has a Brief On Time but you can change the length of the delay between pauses.
>>> 
>>> 
>>> maybe such a chip does not exist and I just need to use two monostables...one triggering the other.
>>> 
>>> 
>>> thanks for any help!
>>> 
>>> 
>>> 
>>> 
>>> 
>>> 
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> 
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