电调衰减器

电调衰减器

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Unformatted text preview: ê 23120091152668 2 PIN H 0ž 0ž 0ž ˜a Ö 3 Ð = >E Ð> E ·ªz ·ªz ·ªz {§M PIN 3 h V s¹ ª z PIN @=>E yž R ª z y ž R· ª z m Ì yžR·ªz Y Ì p 9u § M 0 y “R · ª z ” e Ì p 9u § M 0 yžR·ªz p Ì p 9u § M 0 •Vs¹ªz Af H M ê [1]@ π @ » @o>E m ƒ¾? DN@ @ π@ @ o> E U PIN ˜ a Ö { § M •V @=>E yž R ª z y ž R· ª z E Ì p 9u HMê PIN PIN A f ¡ ¹ ª z H ád1u§M DN@ @ π@ @ o> E W PIN ` Ö { § M ` Ö{ § M 12 p 9u § M “ 0 ” x § M p o> E s¹ªz A2 §M 0 R §M Rs h V s¹ ª z ` Ö{ § M S §M 2 3db R [2]h V s ¹ ª ` Ö{ § M 1 h V s¹ ª Rj l>E §M PIN 2 2 1 PIN Cj h V s¹ ª z ` Ö{ § M l>E π@ π @ Rj ˜ a Ö { § M Rj @ o PIN S @o @o>E K HMê •Vs¹ªz §M l>E Af ¡ Rj h V s¹ ª H M PIN h V s¹ ª z ê» @ p o> E ƒ¾?x§M 2 22 πR @ 32 PIN 2 π ˜ V s¹ ª z πx W s ¹ ª z 2 ` Ö { § M R1 2 R3 Ð A=20log(Uin/Uout)x W s ¹ ª z / `Ö{§ M [2]x W s ¹ ª PIN x W s¹ ª z 22 R3 2 R12 R2 ˜ a Ö { § M NW s ¹ ª z A R32 R42 R5 ` Ö { § M 3 x W s¹ ª z N g `· ª z Ng ` · ª z p Ì p 9u § M 0 [3]x W s ¹ ª z InP/InGaAs PIN x W s ¹ ª z 6-20GHz ˜ a Ö { § M NW s ¹ ª z A f¡ ¹ MMIC `Ö { § M MMIC 3 DN @ π@ @ @ o> E n `Ö { § M MMIC ˜aÖ { § M NW s ¹ ª z A f ¡ ¹ InP/InGaAs PIN x W s ¹ ª z @ π@ @o > E Ñ ƒ¾?x§M p >E MMIC Ðp [4]x W s ¹ ª m ƒ¾ ? x § M op > E ÿ => E ð >E ` => E ` Ö {§ M SMA 3 DN @ π@ @ @ o> E h Ð p DSMA @o > E 3 DN@ [5] ` Ö { § M PIN @o > E 3 DN@ ` ƒ¾ ? x § M p o> E ÿ => E ð >E ` = > E 2 2 N x W s¹ ª z x W s¹ ª z PIN x W s¹ ª z N 2 PIN Ð p ,2 D PIN 50Ð 2 2 PIN p o > E ï= > E à => E P => E N`·ªz Ng ` · ª z 3 DN @ π@ @ @ o> E ù Ð [1] 2 . ` Ö {§ M . . 1992 2 12 2 Ðp [2] 2 . PIN 2 π . x W Ð s ¹ ªz . 2005 2 8 2 . [3] hyunchul Eom, Kyounghoon Yang. A 6-20 GHz Compact Multi-bit Digital Attenuator using InP/InGaAs PIN Diodes. Indium Phosphide and Related Materials, 2008. IPRM 2008. 20th International Conference on. IEEE Conferences 2008. [4] 2 ,2 . ` Ö {§M . ` Ö {§M .2 2 :2009-1007. [5] 2 ,2 . PIN Ð pD Ð . p x D s¹ ª z W 2 ;x W s¹ ª x W s¹ ª .2 :2009-05-20. ...
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This note was uploaded on 04/24/2010 for the course COMUNICATI 1 taught by Professor 1 during the Spring '10 term at Xiamen University.

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