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 Forum index » DIY Hardware and Software » Lunettas - circuits inspired by Stanley Lunetta
40106 vcf?
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amplex



Joined: May 26, 2008
Posts: 64
Location: sacramento, ca
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PostPosted: Tue May 12, 2009 8:48 am    Post subject: 40106 vcf? Reply with quote  Mark this post and the followings unread

any way anyone can show me how to make a 40106 vcf or filter? i have about 50 of these things.. i know there is one on the wsg but if you have a schem of one 'extracted' i would be one happy guy =]
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RF



Joined: Mar 23, 2007
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Location: Northern Minnesota, USA
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PostPosted: Tue May 12, 2009 9:54 am    Post subject: Reply with quote  Mark this post and the followings unread

I don't know of a way to make a filter with a schmidt trigger.

You would most likely be looking to use an op-amp, me thinks.
Good luck Smile

bruce

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amplex



Joined: May 26, 2008
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PostPosted: Tue May 12, 2009 2:10 pm    Post subject: oops lulz Reply with quote  Mark this post and the followings unread

yeah I am extremely mistaken it is the 741 that does the filtering in the wsg (duh), what about a logic filter? closest i have found is hoshuyamas 4069 vcf which is kind of a big circuit for a lunetta but i dont have any 4069s atm anyway..

starting another post in the forum for info/advice on what to do with my simple bolt patch bay (mostly) lunetta project..
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