Category Archives: Digital

Repairing an HP 1630G

Posted on February 12, 2016 by A. Cicuta

TL;DR: unit stops working. Random characters appear everywhere on screen. Bad RAM on CPU board. Substitute RAM. Unit works again. The long and boring story: I repaired this logic analyzer about five month ago. No photographs because the ones I … Continue reading →

Posted in Digital, Electronics, Hardware | 1 Comment

Repairing an HP 34740A

Posted on August 11, 2015 by A. Cicuta

I have been asked to try to repair an HP 34740A. It is a part of the HP 3470 measurement system. Specifically it is one display module (the other available display model is the HP 34750A). The complete instrument is … Continue reading →

Posted in Analogic, Digital, Electronics, Hardware | 1 Comment

Hewlett Packard 16500B

Posted on May 21, 2015 by A. Cicuta

Logic analyzers are the “super-oscilloscope” of digital hardware development. The logic analyzer was a major character in Tracy Kidder’s book Soul of a New Machine. The previous few lines are a quote from The Art of Electronics. I know that … Continue reading →

Posted in Analogic, Digital, Electronics, Hardware, Solaris 10 | Leave a comment

t5540: added SATA connector

Posted on October 9, 2014 by A. Cicuta

A little update about this little thin client (that in the past days worked a lot… or at least was and stayed turned on). Some time ago I had to order some electronic material, so I decided to order also … Continue reading →

Posted in Digital, Electronics, Hardware | Leave a comment

Altera Cyclone board

Posted on June 9, 2014 by A. Cicuta

This is the first FPGA board that is all mine. I always liked FPGAs from the first time I got to use them. I started with a board based on a Xilinx Spartan IIIE so I am happy that this … Continue reading →

Posted in Digital, Electronics, FPGA | Leave a comment