Closer to “white papers”. A deeper look into some subjects. There will be more topics added in short time.
-
CO2 – Considerations For Atmospheric Measurement
Although I consider myself a “climate change” skeptic – at least so far as the phrase is interpreted today – I do believe in making accurate measurements: “Science” is never … settled. In my career, many of my projects involved some form of “environmental monitoring (which led to my PhD in geophysics rather than electronics).…
-
Skin Depth & Coated Wire
It is not uncommon to use plated wire in spacecraft. The plating is (usually) either silver or nickel – or unplated copper. Of interest is the effect of this plating on signals. I am not considering coax cable here ; simply versions of “hook-up wire. As frequency increases, skin depth decreases. While lower frequency signals…
-
Clock Edges
When configuring systems for multi-phase clocking – be it bi-phase for basic switched capacitor networks or many phases for sophisticated signal processing, it is often desirable for the clock phases to not overlap. As clock speeds increase, the rise and fall times of the individual phases need to squeeze within the “dead-time” allowed. Rise time…
-
Anti-Aliasing Filtering
My professional interest has evolved over my career into what may be broadly classified as “measurement” – I like to believe I design measurement instrumentation with a particular focus on transducer interfacing – the portion of the signal chain from physical phenomena to the ADC output. I expand that interest into the phenomena which is…
-
Analog-to-Digital Conversion
Basic concepts of the conversion process. I do not get into types of ADCs nor binary coding of the output in this series of articles. To be continued …
-
Space-Qualified +15V Regulator Worst-Case Analysis
In light of the idea that graduating with an engineering degree only gives one sufficient knowledge to finally learn how to be an engineer, my early learning phase happened to occur with high-reliability systems – spacecraft primarily. Some of the procedures were far more stringent that I later ran into when working with commercial companies.…