Thanks Jon, it was fun to see that the reference for the article was a Sams book from 1977. Back then one of the toughest design issues was how expensive, or difficult it was to obtain precision capacitor values. We use the same circuits today and don't think twice about buying 5% capacitors.
Researchers have been developing a number of nano- and micro-scale technologies that can be used for implantable medical technology for the treatment of disease, diagnostics, prevention, and other health-related applications.
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