| Electronics > Projects, Designs, and Technical Stuff |
| SMD prototyping techniques -- looking for advice |
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| HB9EVI:
as being notoriously too lazy laying out and etching pcbs, I use dremel drilled islands for Rs, Cs, and transistors, dead bug for DIP chips and TSSOP/LQFP adapter boards in every needed combination; however I'm avoiding BGAs so far since the wiring is somehow suspicious to me, but maybe I change my opinion if there'll be no alternative to such a chip. I do everything in that manner - from DC to lower GHz range |
| Siwastaja:
The smallest TH resistors (with thinnest leads possible) are great for SMD bodges, because they double as a resistor and wire. Much quicker to solder than an SMD resistor, then a wire to it. But often you don't have small enough TH parts available. |
| poorchava:
In the company where i work we often have weird-shaped boards, so we can add protoboards on the waste areas of the panel. We literally have like 100kg of protoboards at hand :). Privately, I use something similar to what Mike Harrison (mikeselectricstuff) is selling: http://www.whitewing.co.uk/protoboard.html |
| mark03:
--- Quote from: techman-001 on July 28, 2019, 02:06:42 am ---This is a deadbug technique I'm experimenting with. I have more pictures and details on my doc page at: https://mecrisp-stellaris-folkdoc.sourceforge.io/prototyping.html#prototyping --- End quote --- Tempted to draw an analogy between this and programming in Forth, but I won't >:D Seriously, that is impressive. You have way more patience than I. On the main topic, I may be lucky, but I almost always prototype with a custom PCB and some common-sense measures like extra pads, etc. I can only think of one "coaster" I've made out of a couple dozen boards. It's the rare case that can't be reworked with some bodge wires and creativity. |
| ogden:
--- Quote from: mark03 on July 29, 2019, 06:25:36 pm ---Tempted to draw an analogy between this and programming in Forth, but I won't >:D --- End quote --- LOL :) Building miniature ships in a bottle is another analogy that comes into mind. Someone who is doing deadbug for >200pin circuit that includes 0.5mm pitch chips, clearly do not value his time. |
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