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VFE Projects / Re: Mini mu zener value
« Last post by madbean on Today at 09:23:17 PM »
Did you mean 16v? That's the one most of them use. The VFE site has the power listed as 9-15v

The TC7662B has a maximum operational voltage of 15v. So, if you have a well regulated 15v supply and plan on using that then a 16v Zener is appropriate. If you only plan on ever using a 9v supply, then a 12v is sufficient enough.


I put an 18v on there before reading this. Will that work or do I need to go ahead and change it?

Using an 18v zener will not protect the chip against over-voltage should you plug in an 18v adapter. However, if you are generally careful and only ever use 9v then you probably do not need to replace it. It's just a question on how much you trust yourself :)

I will update the switching doc to include the correct zener value for the MiniMu.
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Bang on! Very cool! 8)
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VFE Projects / Re: Mini mu zener value
« Last post by irvmuller on Today at 08:56:03 PM »
I put an 18v on there before reading this. Will that work or do I need to go ahead and change it?
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I thought the digit displays on the front were real, until I noticed the LED through the middle of them. Looks great!
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General Questions / Re: What IC Is This?
« Last post by skypn on Today at 08:03:00 PM »
mjg. thanks for the input. I was hoping this would work. I play Bass, and try to build for that, but when I asked my guitarist to try my pedal, he really liked the blend. I don't think the SMD thing would work for me, heck, I have enough of a hard with through hole 8) 
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Wanted leftover chicken to use for butter chicken this week so did a rotisserie lemon/tarragon/garlic/butter chicken on the bbq. Butter mix under the skin and the cavity stuffed with quartered lemon, crushed garlic cloves and sprigs of tarragon. Enough for four plates in the first incarnation, a couple bowls of stir fries on another night and a butter chicken dinner, carcass into the freezer for making stock, goes a long ways.

Tarragon has come up faithfully in the backyard for years and still using bulbs of garlic we harvested from our garden  July 2019, a couple more weeks until this year's harvest.

Sadly, binging on local asparagus drawing to a close, until next year...




Take care
dave
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Global Annoucements / Re: Summer releases are out
« Last post by benny_profane on Today at 06:40:27 PM »
Ooh that looks sharp. Very cool.
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Global Annoucements / Re: Summer releases are out
« Last post by madbean on Today at 06:38:05 PM »
Here's the Tappy with the optional faceplate. I have most of the documentation done so I do think it will be out tomorrow.

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I always loved this build. Nice to see it again
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That's freaking awesome!
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