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Applition Note


ApliPiezoelectriAelerometersciaitAoon nNePnNrAplicatc cNlpeatcacNNpzpiplpiea pclmacamzlumpctm mpiyavlalicoe tealasmtpaNispalaalgpapNpictmNeamolracazr2amtpa4lcspaemsza2gmNgaNcoaalictmllpfapiazrpiaelcpe

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Document on Subject : "Applition Note"— Transcript:

1 Apli AppliԆtion Note PiezoelectriԊAԅe
Apli AppliԆtion Note PiezoelectriԊAԅelerometers ciaitAoon nNePnฉNr Aplicatcࠉ cNlऄpeatcࠍacNNpzpi༇plpiea pclऄmࠑacaሉmzlumࠆᐄpctᐎm mpiyavlalicoe ༄tealᜂaᜐsᜆmtᐂ᠅ࠋpaNᜅispa༉l =ःa༊algpaᐐp(༓NpictmNeamolracazr2amtᐂ᠅ࠋpa4༎lcspaemsࠅza2gmNgaNcoaሂalicࠌtmllpfa༛piazrࠑpia᠐elcࠋpeyaAplic nepealᜂa2pzzupelcሎmeᜂfa v303 aelc࠘cifa ༄apzpNli༈mNacNNpzpirtplpieapoeऄmࠑaN༇ᐅlmሐzmlPa2mlgapḉmᐇpola༊a༃ᜂi tcࠉ cNlऄpieya v303aelc࠘ea ༄a)vࠃpᄄclpfaᰎpNli༈mNea0mp(ra3zpNlimN)ya.lᜂiaሄc࠘aࠅtpea ༄alᜂaectpaᐄmࠋmᐎpacip v50 ⌆ve༃i༈ ⌆1pzlcli༈ ⌆0mp(༃i༈ ؂lNy gpaxऐzlumo؋miNऐlؐeؔ༚pipfaል؅؋༈elcࠃ؋ऄipࠃ،༉iNpئ WmsऄpaS Dyإᜐe N༈elcࠃaNऄipࠃae༉iNpatcPaሂaᐅila༊alᜂamࠌlintpola༄acaepᐅiclpanࠐlya┗paᬐሄclm༈aemsࠅzamealicoetmllpfaህN-alralᜂ eऔᐎPaceacat༘ऎclpfaሐcea4༎lcspyaR༃gaeऔᐎPaNऄipࠃac࠘aᬏzlcspa༉lᐉlacipalicࠌtmllpfa4mcalᜂaectpaN༅ImczaNcሎp 2gmNgaNcoaሂaceaz༈saceaepᬂiczagई᠄pfatplpieya┗paNcᐅNml༄a5 5a iptrᬂe lgpaepoe༄aሐceaᬏzlcspa i༇alᜂamࠌlintpol mࠔःaᐄ༛m᠐ࠑacؙpi༓ህepfa:5aemsࠅzyawmoNpalᜂa༉lᐉlamtᐂ᠅ࠋpar alᜂav303aemsࠅzame؃PᐐNczzPa⠯Faᔕa〯F 8aeᐂNmcz zr2uo༐ep،pࠌ༄aNcሎpؐe؈rlaipḉmip᠕awlc࠘cif؎r2uN༌l؋༅Imcz؋cሎpe؅ipaeऊ mNmpࠃᔆ Wmsऄpa +av303ؔimࠋmᐎp ┗paN༈elcࠃaNऄipࠃatcആ4ciPaሂl2ppoa9ac࠘a㈯at:aM1raࠏlaN༈ ऌpa2mlga6alra㈯at:aelc࠘ciᠴDya┗pazr2pialᜂaN༈ elcolaNऄipࠃ؃ᜂagmsᜂialgparः=ःamt=p᠅ࠋpac࠘8alᜂip ༄p8alᜂ،neNpᐃmሐzmlPal༆ᰁvya: N༈elcࠃaNऄipࠃ؛czं؏ سat: me؅as༏f؋༇ᐄ༇mepؐo؇rel؋cepeya ┗paሐceaᬏzlcsp8amᔂyalᜂa15a༉l=ःaᬏzlcspa༊alᜂaepoe༄a2mlᜏःapⰋmlclm༈8ameaሂl2ppoa@ac࠘a⠲ Cyavla4cimpea2mlᜆeऔ ᐎP؋ऄipࠃ؅࠘؃ptᐂiclऄpyإᜂ؏nlᐉl،msࠅz؏ ؃ᜂ،pࠌ༄؏eNmzzclpe؅i༉࠘؃ᜐeؒmce؛༎lcspyؖl؋cࠆopᬂiaሂNrtp؈ps clmᬂya┗panᐔpiazmtmlameaeplaልalᜂaeऔᐎPaᬏzlcspa༊alᜂaN༈elcࠃaNऄipࠃaerऄNpya┗meaeऔᐎPa4༎lcspaeᜏऎfaሂaሂl2ppo ㈳ac࠘a〯 Cya┗pazr2piazmtmlamealgp،clऄclm༈aᬏzlcspa༊algpؒऐzlumࠆctᐎm mpiaMcሏःa⼕U CDyaAplicasअicࠃppeacoarः=ः eᐅࠆ༊؆Qعa㨆C؊༄؃ᜂ،poe༄ya Wmsऄpa9 ؐzzneliclpe؃gpؘPࠅtmN؄cࠑp؏ ؆cࠆvᰝ3؋rtᐅlmሎp،pࠌ༄ᔆ maximum sensor output = supply voltage of constant current source (24 to 30 V) sensor saturation voltage (approx. 0.5 V) sensor bias voltage (8 to 12 V) negative overload dynamic range 0V positive overload Wmsऄpa +a1PࠅtmN؄cࠑp؏ ؖ303alicࠌfऋpie Manfred Weber mnzNstmnrrxtጔytᘋnᜓnᐘznoᤔ24t2ᐇ3synᴉu tnV)V Page Meiᄑner Str. 58 Maᔊ08 D-01445 Radebeul Internet: www.MM⼠de Phone +49-351-836 21 91 Fax +49-351-836 29 40 Email: Info@MM⼠de Integrated Charge Converter c=rzNuPn=z Piezo System Coupling Capacitor Constant Supply Current Input Resistance of the instrument Supply Voltage of Constant Current Source coaxial cable, over 100 m long ciai t​s=rᔓonN Ԉnst inp inp const Apli AppliԆtion Note PiezoelectriԊAԅelerometers ciaitAoon nNePnฉNr ┗paz༚pia ipḉpࠋPazmtmla༊aAplicHealic

2 oe᠉Npiea2mlgamࠃpsiclpfapzpNli༈mNea
oe᠉Npiea2mlgamࠃpsiclpfapzpNli༈mNeamea⼕h û(a ༄at༌laeᜂciac࠘aሂ࠘piacNNpzp irtplpieac࠘ah û(a ༄aNrtᐄpeem༈aepoe༄eya┗panᐔpia ipḉpࠋPazmtmlatcmࠎPa᠂ᐂ࠘ea༈alᜂatpNᜅࠐNczaᐄrᐂilmpea༊ lᜂaepࠌ༄yavoaNcepa༊azrࠑpiaNcሎpe8alᜂmiaNcᐅNmlcࠋpaeᜏऎfaሂaN༈em᠂ip᠕a┍ᐐNczaN༅ImczaNcሎpeaeऔᐎmpfaልaAplic gcᬂ؅؋cᐅNmlcࠋpar acᐔi༬mtclpzPب⼯ ᐧ/tya ┗paࠏt༑ictamoa Wmsऄpah aeᜏ2ealgpatcⰐtnta༉lᐉlaeᐅoa༊acoav303alicࠌfऋpia༛pialᜂa ipḉpࠋആicࠑpa ༄a᠐ pi pࠃaNcሎpaNcᐅNmlcࠋpeac࠘aeऔᐎആNऄipࠃeyaOmlgamࠋipcemࠑaNcሎpaNc=cNmlcࠋpalᜂarः=ःaeᐅoaሂNrtpeazr2piya┗paipc erࠆ ༄alᜐeamo zंࠋpamealᜂaip᠉Npfaezp2aiclpar algpactᐎm mpiaclaᜐsᜂiaz༅faNc=cNmlcࠋpeyaOmlᜆᬂiPaz༈saNcሎpealᜂa nzz rःᐉl،ᐅࠆ༊a, CaNcࠆ༈zPaሂaipcNᜂfacla ipḉpࠋmpe؉ᐆlr؅a p2agई᠄pfaûpil(yaaW༄acaNcሎpaNcᐅNmlcࠋpaऔal༆⠯aoW M⠯F taelc࠘cif؋༅Ⱀcz؋cሎpD؅࠘a㌆t:،औᐎP؋ऄipࠃ؃gpaip᠉Nlmrࠆr alᜂ؏nlᐉlaeᐅࠆNcࠆሂ؈pszpNlp᠕a 0.1 0,5 10 kHz 0.1 û / V Output span 3,2 µF 600 nF 1 µF 200 nF 320nF 60 nF 100 nF 20 nF Cable capacitance 4 mA 20 mA Supply current 10 kHz 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 1 µF / 20 mA Gain (normalized) 320 nF / 20 mA 200 nF / 4 mA 20 nF / 4 mA 60 nF / 4 mA Wmsऄpa +a.ः=ः،ᐅࠆ༊؆v303؅NNpzpi༇plpie؊༄a᠐ pipࠃ Ncሎp؋cᐅNmlcࠋpe؅࠘aeऔᐎP؋ऄipࠃe Wmsऄpa +aWipḉpࠋPaipeᐏoepa༊av303 cNNpzpi༇plpiea ༄ ᠐ pipࠃ؆Ncሎp؋cᐅNmlcࠋpe؅࠘،nᐔzPaNऄipࠃe Wmsऄpa6 aeᜏ2ealᜂa ipḉpࠋPaipeᐏࠌpa༊alᜂaepoe༄apzpNli༈mNeaई᠂ialᜂamࠊznpࠋpa༊a᠐ pipࠃaNcሎpaNcᐅNmlcࠋpeac࠘ eऔᐎPaNऄipࠃeya:lagmsᜂiaNcᐅNmlcࠋpealᜂaऔᐂia ipḉpࠋആzmtmla᠄rᐌa᠉palraalᜂazr2aᐅeea mzlpia ༄tpfaልalᜂa༉l=ः ipemelcࠋpac࠘alᜂaNcሎpaNcᐅNmlcࠋpya:la6at:algpaNcሎpaNcᐅNmlcࠋpaNcoaሂaऔalra㜯 ࠧaM㜯Fataelc࠘cifaN༅ⰐczaNcሎpD 2mlᜏः؄p᠉Nlm༈؏ ؃gpanᐔpi؊ipḉpࠋP؎mtmly ┏fcPamoatrelacᐔzmNclm༈eavᰝ3acNNpzpi༇plpieacipaᐄp piip᠕aûr2pᬂi8aNᜅispatr᠂acNNpzpi༇plpieaNcoaሂaenᐂim༄ mࠆertp؋cepeᔆ┗p؊༎z༚mosalcሎp،gr2e؅᠛cࠃcspe؅ؘ࠘ic2ህN-e؏ ؆ሏlᜆepoe༄؃Pᐂey ciai t5n=reNrt bᤑN⌉tmకnt 5nᐏఋr Ay1s=zs8n Fixed sensitivity r egard less of cable length and cable quality Low-impedance output can be transmi ted over long cables in harsh environments Inexpensive si gnal conditioners and ca bles IntrinᄄԊself-teᄇ funԇion Withstands be tter harsh conditions like dirt and humidity No power supply required - ideal for battery powered equipment No noise, highest resolution Wide dynamic range Higher operating te mperatures Smaller sensors poss ible dNsM0so4 Constant current excit ation required (re duces battery operating hours) Inherent noise source Max. operating tempera ture <120 °C Limited cable length (< 10 m) Special low noise cable required Charge amplifier required Manfred Weber mnzNstmnrrxtጔytᘋnᜓnᐘznoᤔ24t2ᐇ3synᴉu tnV)V Page Meiᄑner Str. 58 Maᔊ08 D-01445 Radebeul Internet: www.MM⼠de Phone +49-351-836 21 91 Fax +49-351-836 29 40 Email: Info@MM⼠de