On February 5th, 2015 the electronics retailer RadioShack finally filed for Chapter 11 protection under US bankruptcy law after 11 consecutive quarterly losses. Many stores closed as a result of this. Before they closed their doors forever, RadioShack blew out their remaining inventory with great discounts. When I first heard of the RadioShack bankruptcy, I … [Read more…]
This week I am at the Teledyne LeCroy factory in Chestnut Ridge, NY. Besides enjoying the cold, rainy and dark weather, I’m going to share lots of pictures and videos with you throughout the next days and weeks. If there are any questions you’d like me to ask during interviews or there’s anything in particular … [Read more…]
After posting the teardown video of the Tektronix RSA306 USB 3.0 Spectrum Analyzer on my YouTube channel, someone asked me to verify that the IF sampled by the Linear Technology 14-Bit / 125 Msps ADC is really at 140 MHz. Using the Tektronix MDO4104B-6 and a passive RF probe, I gladly did so. With a … [Read more…]
Unfortunately, this didn’t go as planned. But that’s part of the fun.
This article will show how to design a 2-way equal split lumped-element Wilkinson power divider with 50 Ω impedance for 28 MHz. Lots of big words; reread just to make sure you read it correctly and you don’t have to read through this article just to realize it’s not what you need. The Wilkinson works both as splitter and combiner.