THE peel-method of preparing sections of fossil plants was briefly described by me in NATURE of Oct. 13, 1928, p.571. The use of cellulose esters was recommended for preparing peel-sections. Since ...
A Simple Method of Designing Multiple Order All Pole Bandpass Filters by Cascading 2nd Order Section
Filter design, be it active, passive, or switched capacitor, is traditionally a mathematically intensive pursuit. There are many architectures and design methods to choose from. Two methods of high ...
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