2.4mm程控步進(jìn)衰減器的設(shè)計(jì)與實(shí)現(xiàn)

1、代號(hào)—業(yè)衛(wèi)L—分類號(hào)j型盟叢學(xué)0284960016g‰—』啦L％——靜簧絮手料技六警工程碩士學(xué)位論文越(中＼英文)目!!!!摧i至生世重迪鲞鮑熊i工皇塞理!!鰣衛(wèi)生j!生上!旦U!塹1旦生里L(fēng)墨』墜旦盟E盟型盟旦也—旦蔓衛(wèi)』型羔旦坐生!L作看姓名。廛超學(xué)校指導(dǎo)教師姓名職務(wù)三寶鹽煎攫工程領(lǐng)域：叢笠叢壺』星企業(yè)指導(dǎo)教師姓名職務(wù)耋互叢盟窒雖提夏論又日期：三室雯主生旦224mm程控步進(jìn)衰減器的設(shè)計(jì)與實(shí)現(xiàn)AbstractProgrammables

2、tepattenuatorhasbroadbandandgoodprecisionBecauseitsaRenuationcanbecontrolledbyprogram，ithasbeenwidelyusedinallkindsofautomatictestsystemsAstotheprogrammablestepattenuatorupto40GHz，thereisnomatureproductordesigninChinanow

3、Thispapergivesadetailedintroductionandanalyticexpression，parametercharacteristiccurveoroptimalparameteronedgeline，suspendedcoplanarwavegnide(SCPW)characteristicimpedance，distributedparameterattenuatorcardACattenuationand

4、24mmcoaxialconnectorisolator’Scoplanarcompensationthroughusingconformaltransformation，equationfortransmissionfineandHFSSBesides，thepaperusesHFSSwithinDC40GHztodosimulationdesignformatchofedgelinetocoaxialline，SCPW，achiev

5、ingperfectmatchofdifferenttransmissionlinesundermixedtransmissionconditionThefinalactualspecificationandsimulationresulthavenearlysametrendandreachperfecttechnicalspecificationThedesignandmatchedcompensationmethodsthepap

6、erintroducedhaveimportantinstructivemeaningtodesignandproductionofprogrammablestepattenuatorKeyword：programmablestepattenuator；distributedparameterattenuatorcard；edgefine；suspendedcoplanarwavegnide；conformaltransformatio