Collaborate Disseminate
[Ted Fried] recently found a beautiful HP 1600A/1607A logic analyzer set. State of the art in 1975, it looks like glorious Space Age equipment today. He decided to hook it …read more Continue reading Modern Microcontroller Boosts Classic Logic Analyzer To New Heights
An oscilloscope can be an expensive piece of equipment, but not every measurement needs four channels and gigahertz sampling rates. For plenty of home labs, old oscilloscopes with CRTs can …read more Continue reading ESP32 Oscilloscope Skips Screen for the Browser
Having a scope in a home lab used to be a real luxury, but these days, its fairly common for the home gamer to have a sophisticated storage scope (or …read more Continue reading Spectrum Analyzer Buyer’s Guide
Humans are walking high voltage generators, due to all the friction with our surroundings, wide variety of synthetic clothes, and the overall everpresent static charges. Our electronics are sensitive to …read more Continue reading Hacker Tactic: Internal ESD Diode Probing
The trouble with fixing electronics is that most devices are just black boxes — literally. Tear it down, look inside, but it usually doesn’t matter — all you see are …read more Continue reading Putting the Magic Smoke Back into a Dodgy Spectrum Analyzer
A signal generator that can produce the usual sine, square, and triangle waves is handy and has been a staple of electronic benches for decades. Being able to craft custom …read more Continue reading Arbitrary Waveforms on the Cheap
We’ve all been bitten before by USB cables which were flaky, built for only charging, or just plain broken. With the increased conductor count and complexity of USB Type C, …read more Continue reading USB-C Cable Tester is Compact and Affordable
Do high voltages affect the resonant frequency of a crystal? Honestly, we never thought about it, but [Joe] did and decided to risk his analyzer to find out. He started …read more Continue reading The Crystal (High Voltage) Method
We’re guessing that quite a few of our readers have a surprising amount of redundant test gear, and we ourselves have to admit that more than one instrument adorns our …read more Continue reading Own More Than One ‘Scope? You’ve Got Nothing On This Guy!
In the realm of test equipment, there are a number of items that you don’t know you need until you need one. That’s probably the case with the HP11720A pulse …read more Continue reading A Tale of Two Pulse Modulators