Variable capacitors may be useful, but the air gap that provides their capacitance is their greatest weakness. Rather than deal with the poor dielectric properties of air, some high-end variable ...
The Range comprises five types of operation in high voltage r.f. circuits. All are tunable over an approximately linear capacitance range. High vacuum variable capacitors offer outstanding advantages ...
The first British commercially available high-vacuum variable capacitors have been announced by the English Electric Valve Co. So 64 years ago, started a story in Electronics Weekly’s edition of March ...
Variable capacitors may be useful, but the air gap that provides their capacitance is their greatest weakness. Rather than deal with the poor dielectric properties of air, some high-end variable ...
With their low equivalent series resistance (ESR), which allows for good ripple-current handling as well as high surge-voltage ratings and self-healing properties, film capacitors are strong ...
For the PDF version of this article, click here. Click to read part I and part III of this article. In part one of this article (see “SPICE Analog Behavioral Modeling of Variable Passives,” March 2005 ...
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