Gas station without pumps

2020 June 19

Eleventh video for electronics book

Filed under: Circuits course — gasstationwithoutpumps @ 21:01
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I’ve just published my eleventh video for my Applied Analog Electronics book.  This video is for part of §27.2, which is the first part of Lab 7, DC characterization of an electret microphone.

I filmed the video using OBS (Open Broadcaster Software), and this is the unedited seventh take. Earlier takes had problems with the order of presentation, technical problems with the green screen, technical problems with the interaction with the Analog Discovery 2, or just stumbles in saying what I intended.

This video is the first one in this series using a green screen, but I found that the lighting on my green screen is not uniform enough for OBS, particularly in a daylit room—I ended up having to do the recording at night so that I could use only artificial light. The chroma key in OBS is nowhere near as easy to use as virtual backgrounds in Zoom.  You can see some problems with the green screen even in the thumbnail shot.

2020 June 7

Tenth video for electronics book

Filed under: Circuits course — gasstationwithoutpumps @ 22:03
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I’ve just published my tenth video for my Applied Analog Electronics book.  This video is for part of §29.2.2—fitting models for loudspeakers.

I filmed the video using OBS (Open Broadcaster Software), and this is the unedited first take. This is my longest video yet in the series.

2020 June 3

Ninth video for electronics book

Filed under: Circuits course — gasstationwithoutpumps @ 22:05
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I’ve just published my ninth video for my Applied Analog Electronics book.  This video is for part of §29.2.1—models for loudspeakers.

I filmed the video using OBS (Open Broadcaster Software), and this is the unedited first take.

2020 May 25

Eighth video for electronics book

Filed under: Circuits course — gasstationwithoutpumps @ 16:14
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I’ve just published my eighth video for my Applied Analog Electronics book.  This video is for part of §29.2—the definition of the nonlinear impedance used for modeling loudspeakers.

I filmed the video using OBS (Open Broadcaster Software), and this is the unedited first take.

2020 May 21

Seventh video for electronics book

Filed under: Circuits course — gasstationwithoutpumps @ 20:55
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I’ve just published my seventh video for my Applied Analog Electronics book.  This video is for §29.1 on how loudspeakers work.

I filmed the video using OBS (Open Broadcaster Software), and this is the unedited first take. I’m hoping I can do more videos in one take, as I’m way behind schedule (not that I had really worked out a schedule) on getting videos done.

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