模板耳機(jī)咪頭規(guī)格書(shū)4015和常見(jiàn)參數(shù)

1、MICROPHONE SPECIFICATIONSPECIFICATION咪頭規(guī)格書(shū)ELECTRET CONDENSER MICROPHONE型號(hào)：MODEL：4015L8-423-C1033一、 主要技術(shù)特性 Specifications1、靈敏度 Sensitivity: -423dB(0dB=1V/Pa,1KHz)2、指向性 Directivity: Omni-directional3、輸出阻抗 Output Impedance: 2.2K30% at 1KHz4、標(biāo)準(zhǔn)工作電壓 Standard Operating Voltage: 2V5、工作電壓 Operating Voltage:

2、 1.1V10V6、工作電流 Current Consumption: 350A7、信噪比 S/N Ratio: 60dB8、最大音壓輸入 Max Input Sound Level 115dB S.P.L9、頻響曲線 Frequency Response Curve10、電路示意圖 Schematic Circuit (Vs=4.5V RL=2.2K)10P 33P二、 機(jī)械性能 Mechanical Characteristics1.重 量 Weight : 0.3g2.外形尺寸 Dimensions: (Unit: mm)PartMin.StandardMax.REMARKA3.9mm4

3、.0mm4.1mmB1.4mm1.5mm1.6mmC/9mm10mm11/mmD/0.4mm0.5mm/0.6mmE/F0.1mm0.2mm0.3mmG/3.溫度 TemperatureA) 儲(chǔ)藏溫度范圍 Storage Temperature: -40+65B）使用溫度范圍 Operating temperature: -20+504.焊接熱沖擊 Soldering Heat Shock經(jīng)過(guò)2655焊接，靈敏度變化在3dB變化范圍內(nèi)。After soldering heat shock at 2655, sensitivity change within 3dB relative to in

4、itial value.三、可靠性試驗(yàn) Reliability Test1.振動(dòng)試驗(yàn) Vibration Test在振動(dòng)臺(tái)上，話筒經(jīng)過(guò)三個(gè)方向的振動(dòng)，振幅1.52mm，振動(dòng)頻率由10Hz到50Hz循環(huán)，每分鐘一次，振動(dòng)2小時(shí)，其靈敏度變化在+3dB范圍內(nèi)。After Vibration cycle of 10 to 50Hz/1min, for 2 hours, full Amplitude 1.52mm,in 3 directions, Sensitivity change within 3dB relative to initial value.2.跌落試驗(yàn) Dropping Test將試

5、驗(yàn)話筒裝入包裝盒內(nèi)，分三個(gè)不同的側(cè)面，每次從1米高度跌落在地板上，其靈敏度變化在3dB之內(nèi)。With package ,dropping to concrete floor 1m height in the directions of three different edges, sensitivity change within 3dB relative to initial value.3.溫度試驗(yàn) Temperature TestA)高溫試驗(yàn) High Temperature Test將測(cè)試話筒放在+802的烘箱內(nèi)，經(jīng)過(guò)200小時(shí)，在20室溫內(nèi)放置2小時(shí)之后測(cè)量，其靈敏度變化在3dB之內(nèi)

6、。After exposure at +802 for 200 hours, and recovering in 20 for 2 hours ,sensitivity change within 3dB relative to initial value.B)低溫試驗(yàn) Low Temperature Test將試驗(yàn)話筒放在-252的低溫箱內(nèi)，經(jīng)過(guò)200小時(shí)，在20室溫內(nèi)放置2小時(shí)之后測(cè)量，其靈敏度變化在3dB之內(nèi)。After exposure at-252 for 200 hours, and recovering in 20 for 2 hours, sensitivity change

7、within 3dB relative to initial value. 4.潮濕試驗(yàn) Humidity Test將話筒放置在+602和相對(duì)濕度在905的潮濕箱內(nèi)200小時(shí)，取出后防在20室溫內(nèi)2小時(shí)之后測(cè)試，靈敏度變化在3dB之內(nèi)。After exposure at +602 and relative humidity 905 for 200 hours, and recovering in 20 for 2 hours , sensitivity change within 3dB relative to initial value. 5.溫循試驗(yàn) Temperature Cycle T

8、est將試驗(yàn)話筒放在-552的低溫箱內(nèi)30分鐘，取出在室溫20內(nèi)10分鐘自然恢復(fù)后，放入溫度為+852的烘箱內(nèi)30分鐘，取出放在室溫20內(nèi)10分鐘，此為一個(gè)溫循過(guò)程。經(jīng)過(guò)5次循環(huán)，在室溫20自然恢復(fù)2小時(shí)后測(cè)試，其靈敏度變化在3dB之內(nèi)。After exposure at 5 times of the following cycles, and recovering in 20 for 2 hours, Sensitivity change within 3dB relative to initial value.+20+20+852-55230m30m10m10m一個(gè)周期 one Cycle

9、四、 結(jié)構(gòu)圖 Microphone Material TableNOPARTSMODELMANUFACTURER1線路板 PCBSuZhou SanSheng2場(chǎng)效應(yīng)管 FET2023電容 CapacitorMURATA4塑環(huán) Holder SuZhou WorlD5銅環(huán) Connecter SuZhou WorlD6振膜 MembraneDUPONT USA7墊片 SpacerWangSunZhuang HeBei8極板 PlateSuZhou WorlD9外殼 Outer most shellLansen Electronic Corp Shanghai10防塵網(wǎng) Protection f

10、leeceChangzhou ChaoQi11連接線 WireUL1571 32#關(guān)于焊接操作Regarding the soldering operation每個(gè)駐極體傳聲器中都有一個(gè)場(chǎng)效應(yīng)晶體管，半導(dǎo)體很容易在過(guò)熱電壓過(guò)高而受到損害。Each Con. Mic. contains a FET within its case. Generally, semiconductors are easily weakened by over-heating, over-charge of voltage.正常焊接的注意事項(xiàng)：Special caution is needed for proper soldering as follows:1.用15W-20W控溫烙鐵，溫度控制在260-280進(jìn)行焊接。Use 15W-20W soldering iron and maintain 260-280 in operation.2.焊接時(shí)間在每個(gè)焊點(diǎn)上控制在2秒鐘以內(nèi)，不允許時(shí)間過(guò)長(zhǎng)。Soldering should be accomplished within two seconds at each terminal so as not to be overheated.3.焊接時(shí)間過(guò)長(zhǎng)，或焊接溫度過(guò)高，不但會(huì)引起場(chǎng)效應(yīng)管發(fā)生變化，并且話筒里面的塑料腔