Embedded Systems Conference
Breaking News
Newest First | Oldest First | Threaded View
<<   <   Page 3 / 3
User Rank
re: Out of billions, one bit in error
simon_at_avalon   8/26/2010 8:22:07 AM
Yes, the Weller 'splat test' is always useful when tracking down or trying to generate occasional errors. We keep one of the old irons for this very purpose. Another interesting source is from the (plastic) wheels on office chairs running on a polished lino floor - if the lights are out you can see the sparks as you move.

User Rank
re: Out of billions, one bit in error
zeeglen   8/25/2010 9:28:42 PM
Good catch. How well(er) I remember similar soldering irons with the transformer in the light blue stand. Every time we ran bit error tests on T1 6000 foot lines all soldering irons in the vicinity had to be turned off. One of those irons did turn out to be very useful in a test fixture I built to generate electrical power line transients. This was nothing more than a chattering relay (it's contacts in series with it's coil) to switch the AC line on and off to the soldering iron. Any time this could be shown to cause bit errors in a system under test we knew the shielding and/or power line isolation needed work. It also served to prove to management that bit errors are indeed caused by power line transients getting into the twisted pair and not necessarily through equipment faults, so they did not demand 100% error free tests.

old account Frank Eory
User Rank
re: Out of billions, one bit in error
old account Frank Eory   8/25/2010 8:42:12 PM
Great story Glenn. This takes me back to the early days of my career when I was testing satellite modems. Those last couple of data points on the BER vs. Eb/No curve took forever to get. We never had issues with EMI from the soldering irons, but we did run into some interesting environmental influences that were only measurable down at the 10^-11 BER level...

<<   <   Page 3 / 3

Top Comments of the Week
Like Us on Facebook

Datasheets.com Parts Search

185 million searchable parts
(please enter a part number or hit search to begin)
EE Life
Frankenstein's Fix, Teardowns, Sideshows, Design Contests, Reader Content & More
Max Maxfield

March 28 is Arduino Day -- Break Out the Party Hats!
Max Maxfield
Well, here's a bit of a conundrum. I just received an email from my chum David Ashton who hails from the "Unfinished Continent" Down Under. David's message was short and sweet; all he said ...

Bernard Cole

A Book For All Reasons
Bernard Cole
1 Comment
Robert Oshana's recent book "Software Engineering for Embedded Systems (Newnes/Elsevier)," written and edited with Mark Kraeling, is a 'book for all reasons.' At almost 1,200 pages, it ...

Martin Rowe

Leonard Nimoy, We'll Miss you
Martin Rowe
Like many of you, I was saddened to hear the news of Leonard Nimoy's death. His Star Trek character Mr. Spock was an inspiration to many of us who entered technical fields.

Rich Quinnell

Making the Grade in Industrial Design
Rich Quinnell
As every developer knows, there are the paper specifications for a product design, and then there are the real requirements. The paper specs are dry, bland, and rigidly numeric, making ...

Special Video Section
After a four-year absence, Infineon returns to Mobile World ...
A laptop’s 65-watt adapter can be made 6 times smaller and ...
An industry network should have device and data security at ...
The LTC2975 is a four-channel PMBus Power System Manager ...
In this video, a new high speed CMOS output comparator ...
The LT8640 is a 42V, 5A synchronous step-down regulator ...
The LTC2000 high-speed DAC has low noise and excellent ...
How do you protect the load and ensure output continues to ...
General-purpose DACs have applications in instrumentation, ...
Linear Technology demonstrates its latest measurement ...
Demos from Maxim Integrated at Electronica 2014 show ...
Bosch CEO Stefan Finkbeiner shows off latest combo and ...
STMicroelectronics demoed this simple gesture control ...
Keysight shows you what signals lurk in real-time at 510MHz ...
TE Connectivity's clear-plastic, full-size model car shows ...
Why culture makes Linear Tech a winner.
Recently formed Architects of Modern Power consortium ...
Specially modified Corvette C7 Stingray responds to ex Indy ...
Avago’s ACPL-K30T is the first solid-state driver qualified ...
NXP launches its line of multi-gate, multifunction, ...
EE Times Senior Technical Editor Martin Rowe will interview EMC engineer Kenneth Wyatt.
Flash Poll