15 Apr
2013
2013
23 Jan
2012
2012
It is all about the backhaul
I just read an article about Wireless Internet Service Providers(WISPs) in the US and the “Wispapalooza” conference in Las Vegas. The WISPs are obviously establishing wireless links with CPEs in areas where the incumbent DSL suppliers deliver no, bad, or expensive Internet bandwidth to the subscriber. And these WISPs seem…19 Dec
2011
2011
Gold or Tin versus Gold and Tin?
You may have already read about my 50:50:50 rule when it comes to the choice using tin plated surfaces versus gold plated surfaces in connectors. This rule says tin is the more economical solution if you have less than 50 contacts (mating forces), if you can live with 50 mating…25 Jul
2011
2011
Plug’n’Play or don’t worry about fiber optics
Nowadays people are used to Plug’n’Play… or do you care when you plug or unplug your USB add on device from your laptop?!? The scenario of changing to high speed I/O connections in data centers seems easy enough, but seldom is, although it should be. Firstly, the high speed cable…1 May
2011
2011
Application and the Solder Processes
In most cases, application of a connector has to do with soldering (except crimp and IDT connections). That is why one of the first questions I ask, when it comes to the connector choice is: What does your solder process look like? The answer to this question gives me choices…23 Nov
2010
2010
electronica 2010 is history…
After some hot weeks of preparation and the show week with very little sleep, it’s over! electronica 2010 is history… How do we feel? Did we achieve our expectations? What was it all about? … Time to reflect! Yes, electronica 2010 had more than 70,000 visitors at the show who…26 Oct
2010
2010
Why go to shows and exhibitions?
Twenty years ago, companies were using large exhibitions to present their new products. Today, the web outperforms any exhibition in timing and in data quality. In the old days, a catalogue sheet handed out was O.K – today you can download 3D files for any product immediately.20 Sep
2010
2010
SFP(+) to cool or not to cool?
With SFP cages comes always the question whether cooling is necessary or not. There is no clear answer this question. Mainly because there are several parameters which have to be taken into consideration: The heat dissipation of one SFP insert can go from zero (copper cable) to approx. 2 watts…20 Aug
2010
2010
Applications or Application? Selecting a Connector (Part 2)
Previously I noted the importance of knowing the applied cost of a connector. Here are the basic questions I start with when helping to design in a product: Not the number of pins, but the number and type. Signal speed and maximum power Amperes at what temperature? Ambient temperature and cooling are key…28 Jul
2010
2010
