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CUSTOMER:深圳市东方迪电子科技有限公司SPECIFICA TIONSHEET FOR APPROV ALSPEC. No.:PRODUCT: DYNAMIC RECEIVERMODEL NUMBER: SD4521-150PH-LS 21KBAlCUSTOMER PART NUMBER:PREPAREDCHECKEDSIGNA TUREDA TECUSTOMER CONFIRMA TIONSIGNA TURE:DA TE:Shenzhen Dongfang Electronics Technology Co., Ltd.Tel:86ax:86ttp://E-mail:APPROVEDSPECIFICA TIONISSUEDDATEREVERSION1. SCOPETYPEUPDA TESD4521-150PH-LS 21KBAlP1/7This specification covers our product of dynamic receiver unit for cordless telephone use.2. MECHANICAL LAYOUT& DIMENSIONSShown in Fig.73. GENERAL REQUIREMENTS3.1 OPERATINGT N TEMPERATURERANGE-20 +603.2 STANDARDR TEST CONDITIONSTemperature:Relative Humidity:Air Pressure:3.3 JUDGEMENTN CONDITIONS:Temperature:Relative Humidity:Air Pressure:4. RECEIVERI E MODE4.1 SENSITIVITY172545%80%(RH)8601060 hPa20260%70%(RH)8601060 hPaNO121002dB1KHz (0dB =20Pa)Input voltage: 60mV (Sine wave) measured with IEC318 coupler.4.2 IMPEDANCE: 15020%( 1KHz)4.3 MEASURING DIAGRAM: Shown in Fig.14.4 FREQUENCY RESPONSES MASK & TYPICALA FREQUENCY RESPONSES CURVE:EShown in Fig.2.4.5 MFM intensity: 0dB=1A/m Test circuiCurmask. Shown in Fig.45.Axial-72dB ( 60mV at 1KHz)NEW STA TUSDA TEDUE TOSIGNA TUREREVISIONUPDA TESPECIFICA TIONISSUEDDATEREVERSION4.6 EARPIECE:Show in FiTYPEUPDA TESD4521-150PH-LS 21KBAlP2/74.7 RATED POWER30mW.(White noise)MAX PEAK V ALUEPOWER: 50mW4.8 DISTORTION:N 5% THDd SPLSP at 300Hz3400Hz FREQUENCY MEASURINGDIAGRAM(RECEIVER MODE)(Fig.1)Fig.1 Illustration of measuring diagramNEW STA TUSNODA TEDUE TOREVISONUPDA TE12SIGNA TURESPECIFICA TIONISSUEDDATEREVERSIONTYPEUPDA TESD4521-150PH-LS 21KBAlP3/7 FREQUENCY RESPONSES MASK & TYPICALA FREQUENCY RESPONSES CURVE(RECEIVERMODE)(Fig.2)Fig.2 Frequency response mask EARPIECE(Fig.3)Fig.3 Earpiece for test receiverNEW STA TUSNO12DA TEDUE TOREVISIONUPDA TESIGNA TURESPECIFICA TIONISSUEDDATEREVERSIONTYPEUPDA TESD4521-150PH-LS 21KBAlP4/7 HEARING AID COIL MEASUREING CIRCUIT (Fig.4)Fig.4Illustration of measuring diagram HEARING AID COIL FREQUENCY CURV(Fig.5)Fig.5Frequency response maskNEW STA TUSNODA TEDUE TOREVISIONUPDA TE12SIGNA TURESPECIFICA TIONISSUEDDATEREVERSION5. RELIABILITY TESTSTYPEUPDA TESD4521-150PH-LS 21KBAlP5/7The soundn pressureas specified shalleithedeviate more than 3dB from the initvalue,nor any significandamage after anyfollowintesting5.1 HIGH TEMPERATURETEHigh temperature:Duration:5.2 LOW TEMPERATURETELow temperature :Duration:5.3 HUMIDITY TETemperature:Relative humidity:Duration:5.4 VIBRATIONTESTVibration:Amplitude:Duration:+65396 hours-25396 hours+4039095%96 hours1055Hz/min1.5mm2 hours each axes5.5 TEMPERATURECYCTE(Sein Fi6)Temperature:-2+65Duration:Cycle:5.6 DROP TEST2 hours22 hoursMounted with dummy set mass:100 gHeight:Cycle:5.7 LOAD TE1.5 m6 (1( eachplain)onto the concretboardReceiver mode: White noise (EIA filter) for 24 hours 30mW input power.NEW STA TUSNODA TEDUE TOREVISIONUPDA TE12SIGNA TURESPECIFICA TIONISSUEDDATEREVERSIONTYPEUPDA TESD4521-150PH-LS 21KBAlP6/7 TEMP.CYCLEL TEST(Fig.Fig.6Illustration of temp. cycle testNEW STA TUSNODA TEDUE TOREVISIONUPDA TE12SIGNA TURESPECIFICA TIONISSUED DATEREVERSION6. DIMENSIONS

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