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Need surface mount project

Discussion in 'Electronic Basics' started by Ken, Apr 14, 2004.

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  1. Ken

    Ken Guest

    I am about to undertake a fairly advanced ham radio project that uses
    SMT rather extensively, including several 10mm X 10 mm IC's with 1mm
    lead spacing. This would be my first foray into SMT.

    Before I screw that up, I would like to try my hand at screwing up
    some simpler SMT kits.

    Can someone recommend a good starter kit?

    I looked at the Ramsey and Rainbow SMT kits, but they look too simple.
    Also, they are expensive and useless.

    There was a Norcal project for a mini XCVR called the SMK-1, but that
    sold out long ago. Something on that level would be good.

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  2. Rich Grise

    Rich Grise Guest

    Get a dead cell phone or something that somebody's tossed, and unsolder
    the SMD parts and solder them back in again, until you get it right. :)

  3. Yup I'd certainly concur with that, anything will do...dead CD walkmans,
    old PC motherboards and cards, old game-consoles, etc.

    Definately not worth spending good money on a proper SMT kit, just to
    experiment and cock it up.
  4. Ken

    Ken Guest

    I guess you are thinking I was going to do this with hot air. No. I
    had intended to use a soldering iron with a 0.3mm tip. There is no
    way I can unsolder an IC with a soldering iron without destroying it.

    Assuming you think that hot air is the way to go, can you recommend an
    inexpensive tool that will do OK in light usage?

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  5. Ken

    Ken Guest

  6. John Miller

    John Miller Guest

    Instead of hot air, a toaster oven will work fine for desoldering for
    purposes of practice.

    Be careful.

    John Miller
    Email address: domain,; username, jsm

    "An innovation a day keeps the monopolist away"

    - Alan Cox when releasing linux-2.4.1ac19
  7. Rich Grise

    Rich Grise Guest

    Well, maybe not, until you learn how. flat packs can be kind of a
    challenge, but they're certainly doable, with the right tools and
    maybe a little practice. I've even unsoldered thru-hole DIPs, although
    if you don't need to save the chip, it's a lot easier to clip all the
    legs and unsolder them individually.
    Assuming hot air is what you want to use, you could probably get a suitable
    heat gun at any electronics shop or even a hobby shop. (they use them to
    shrink the skins on model airplaines, I believe.)

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