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diode
(redirected from varactor)

   Also found in: Dictionary/thesaurus, Encyclopedia, Wikipedia 0.01 sec.
diode
[dī′od]
1 an electron tube or x-ray tube having a cathode and an anode.
2 an electrical device that has a higher conductance for current flowing in one direction than for current flowing in the opposite direction.

diode
a piece of equipment with two terminals which carries electrical current in one direction only.


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Intended for researchers and practicing RF engineer, the book describes different oscillator noise models, voltage-controlled oscillators (VCOs), MOS varactors and spiral inductors, wideband VCO circuits, and phase noise reduction techniques.
Focusing on radio-frequency applications in low-cost technologies, they describe the most important design rules for optimizing the performance of an integrated varactor, and derive some wide-band electrical models in a manner that allows their performance to be predicted accurately.
The existing design options for mobile TV antenna tuning (such as varactor diodes or bulk-CMOS switched capacitor banks) do not meet these power handling requirements.
 
 
 
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