liam.mccaffrey
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| posted on 3/7/09 at 07:07 PM |
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Digital to Analogue converter
being a simple minded mechy could some one help me locate/design a frequency to voltage circuit i can construct.
Many Thanks
Liam Mc
Build Blog
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Madinventions
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| posted on 3/7/09 at 07:41 PM |
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Yes - I can certainly try and help here. What sort of frequencies and what level of voltage do you need?
Ed.
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Madinventions
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| posted on 3/7/09 at 07:44 PM |
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If you're looking for some form of tacho circuit then you may want to have a look at this:
linky
Ed.
www.madinventions.co.uk
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02GF74
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| posted on 3/7/09 at 08:11 PM |
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^^^ wot he said.
simplest form is the diode pump circuit, as use in rev counters: (the circuit on the LH side below).
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rf900rush
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| posted on 4/7/09 at 08:40 AM |
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Hi
Google this part number LM2917 Linky
Martin
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Staple balls
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| posted on 4/7/09 at 09:09 AM |
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quote:
Originally posted by rf900rush
Hi
Google this part number LM2917 Linky
Martin
It's worth knowing that national semiconductor will usually send you samples of chips for the cost of postage, you can get 5x LM2917 for $8.44
and they usually turn up pretty quickly, IME.
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