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Schmartboard breakout prototyping PCB

February 24, 2020 by Rolf Ostergaard

The hunt for the perfect prototyping breakout boards ended at “Schmartboard” this time. At my first job, we had something we called “mini-mount” in the lab. Lots of them. And we used it to build all kinds of prototypes. Basically, it was a footprint for some SMT part on a thin single layer PCB with… Read more

Filed Under: Tips and tricks

AVL: Approved Vendor List 2.0

May 5, 2015 by Rolf Ostergaard

Is the approved vendor list a good idea? If you have ever been involved in electronic development for anything manufactured in volumes, you know how important second sourcing is. For as many parts of the system as possible, you want to have multiple independent suppliers. That just makes procurement so much easier when the thing… Read more

Filed Under: Tips and tricks

Nicest Eval Board Ever: The Crazyflie

May 17, 2013 by Rolf Ostergaard

The nicest eval board out there? This got to be the Crazyflie.  This “evaluation board” (that’s what you call it when you ask your boss if you can order it) is showing off what you can do with a Nordic Semiconductor 2.4GHz chip. And yes: It was developed in Sweden 🙂 so quite suitable as… Read more

Filed Under: Tips and tricks

Minimum Footprint Debug Connector

March 17, 2013 by Rolf Ostergaard

This is a great little product solving a number of problems – smallest or minimum footprint debug connector. The board space required for debug/programming connectors is sometimes not really there. Or the height. Or the cost of maintaining two variants of the BOM with and without the connector. Tag-Connect fixes all this. Put a super… Read more

Filed Under: Tips and tricks Tagged With: Connectors, Tools

Cheap Cool Logic Analyzer

February 25, 2013 by Rolf Ostergaard

The days of logic analyzers are not quite over yet. But due to signaling speeds going up, LA’s tend to be used a lot less these days. The issues are a combination of physical probing and speed. Traditional LA clip-on probes have very few places to attach on a modern high speed board with BGA’s… Read more

Filed Under: Tips and tricks Tagged With: Equipment, Tools

Cheap 5GHz SMA Calibration Kit

January 3, 2013 by Rolf Ostergaard

How to buy a cheap calibration kit. When using a VNA or network analyzer, you will need a “cal kit” (calibration kit) to calibrate away any effects of cables, connectors, etc. that are not part of what you are trying to measure. For some odd reason, official calibration kits are fairly expensive. But the guys… Read more

Filed Under: Tips and tricks Tagged With: Equipment, Network Analyzer, Tools

Cheap RLC Smart Tweezers on eBay

October 15, 2012 by Rolf Ostergaard

I just found some neat and quite cheap RLC smart tweezers on eBay. Having an RLC meter is really useful in many situations. For measuring the capacitance of all capacitors on a PCB at once or just an individual capacitor. Just to mention a few uses. Maybe you were aware, but I was surprised to… Read more

Filed Under: Tips and tricks Tagged With: Equipment, RLC

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