31 thoughts on “ DIY Active Sub-GHz Differential Scope Probe ” SebiR says: March 31, 2016 at 5:21 am The “nomal” ones cost a fortune because they are not referenced to earth. Their ...

Open-Source 2 GHz Oscilloscope Probe May 7, 2020 by Ted Yapo 8 Comments If you do any work with high-speed signals, you quickly realize that probing is an art unto itself.

Common voltage oscilloscope probe construction has a ground lead that you clip to the circuit under test. Instead, you can construct your own 50 Ω voltage probe. By constructing custom 50 Ω voltage ...

Using a oscilloscope for your projects is often an expensive endeavor. At the low end you are talking several hundred bucks at least—but this DIY version fits in your pocket and only costs $33.

The problem with oscilloscopes is that they cost a lot of money. Even on Ebay you’re looking at $400-plus, which is a shame as these things are essential for real electronics hacking, and fun to ...

The measurement bandwidth of the scope and probe should be between 2.1 and 3.5 GHz to accurately capture the fidelity of the fifth harmonic. Similarly, for rise and fall times, if you want to ...

Some articles debug myths about oscilloscope probes. The What's the Difference: Oscilloscopes TechXchange might also prove useful when considering probe selection.

Active Probes. If you have a scope with more than 500 MHz of bandwidth, you’re probably using an active probe—or should be. Despite its high price, ...