Bald Engineer

Blog 2021-12-14

Exploring the Digilent Analog Discovery 3000 Pro Series | Workbench Wednesdays #48

Analog Discovery Pro from Digilent comes in a 2-channel (ADP3250) or 4-channel (ADP3450) version. These all-in-one instruments work with a PC over USB or can run entirely standalone.

On the PC the excellent Waveforms software provides virtual instruments like an Oscilloscope, Logic Analyzer, Power Supply, Spectrum Analyzer, Curve Tracer, Network Analyzer, and Impedance Analyzer. Just to name a few. See what this new instrument offers in this hands-on review.

This episode was sponsored by Digilent.

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Blog 2021-11-11

What does Bandwidth mean for Oscilloscopes? | Workbench Wednesdays #47:

Using the Rohde and Schwarz RTH1004 ScopeRider, James talks about oscilloscope bandwidth. In this video, learn what oscilloscope bandwidth is, and what it is not, and see two measurements that help you tell if you are being band-limited by an oscilloscope.

The episode was sponsored by Rohde & Schwarz.

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Blog 2021-10-25

Pros and Cons of Low-Temp Solder Paste | Workbench Wednesdays #46

Low-temperature solder paste makes it easier to reflow-solder and re-work surface mount circuit boards. MG Chemicals offers a Bismuth-based paste that works great from larger passive components to fine pitched packages, like QFN. In this video, learn what solder paste is, what it means for a paste to be “low temperature,” and some things to watch out for when using it.

This episode was sponsored by MG Chemicals.

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Blog 2021-09-20

160 MHz Arbitrary Waveform Generator Review | Workbench Wednesdays #44:

Arbitrary waveform generators can generate almost any waveshape. In this video, see how the MP750290 from Multicomp Pro performs. Its key specs are 160 MHz, 14-bit 1.25 Gigasample per second digital-to-analog converter, 1 million point memory, and over 150 built-in waveforms.

The episode was Sponsored by Multicomp Pro.

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Blog 2021-08-31

The Origins of Delayed Timings on Oscilloscopes | Workbench Wednesdays #43

Almost everyone uses a digital oscilloscope’s zoom features. However, did you know that 40-year-old analog oscilloscopes can do something similar? Delayed time bases on analog scopes sweep twice so that the user can see a slow and fast sweep. In this video, see where “zoom” came from and how engineers accomplished the same measurement back in the day.

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