Saturday, 10 December 2016

BYOC Confidence Booster

The BYOC Confidence Booster is just a simple linear boost and buffer. The only change i made was moving the trimmer offboard to make a pot. Figured this would be a nice easy project for those that want to get started building pedals.




24 comments:

  1. Replies
    1. Oop. Yep, should have been in the notes. I'll go bad and fix it.

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  2. Just to make it easier for first timers, whats a good replacement for the 4558 that is used in lots of others, so people can buy extras and have something for them when they're not needed? ie, TL071,72,74... I would guess 71... ;)

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    Replies
    1. I've tried them all on many builds, and I think the TL072 is the best. The 4558s are too noisy for my taste.

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  3. tl72, 1458, 5532, and other dual op amps

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  4. The 4558 is used in lots of others! ;) Buy a bag of them and start a tube screamer factory. Just kidding, but seriously I bought 20 and have used most of them already.

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  5. Man how embarrassing! My first build exposed! Oh well, I've come a long way. Thanks for sharing my video :)

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  6. Funny how this is still sold at BYOC. That being the design thats creator really had a confidence boost. That is definitely not the way to use a dual opamp. For those who don't know what i'm talking about, check the TI white paper SLOA067's page 8. More accurately the section 4.2.1.
    (http://encon.fke.utm.my/nikd/latest/sloa067.pdf)
    As for some weird reason, this seems to annoy me way more than it proabably should.. Here's a schem for a fixed one.
    http://mirosol.kapsi.fi/varasto/boxes_other/notabraindeadbooster.jpg

    After all, it is nothing more but a buffered LPB1.
    +m

    ReplyDelete
    Replies
    1. And to clarify, the layout is not annoying. The design is :)
      +m

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    2. Haha. Agree completely, just thought it was a simple build for newbies.

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  7. But I think a second 2.2M is missing beetween IC in+ and +9V .

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  8. It’s wasteful to use a dual opamp ic in a circuit that only requires a single opamp, that unused opamp left hanging can create problems such as generate noise for example. Newbies should learn this early on.

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