PERFORMANCE | ||||||
Parameter | Conditions | Min | Typ | Max | Unit | |
Directivity | | Omni-Directional | ||||
Sensitivity | @ 1KHz ( 0 dB= 1 V/Pa) | -45 | -42 | -39 | dB | |
Signal-to-Noise Ratio | @ 1KHz ( 0 dB= 1 V/Pa) | | 56 | | dB | |
Total Harmonic Distortion(THD)@100dB SPL | @ 1KHz | | 0.2 | 0.5 | % | |
Total Harmonic Distortion(THD)@115dB SPL | @ 1KHz | | 0.5 | 1 | % | |
Max Input Sound Pressure | @ 1KHz, THD < 10% | | 130 | | dB SPL | |
Power Supply Rejection (PSR) | 217Hz,100m Vpp Square wave | | -84 | -79 | dB | |
INPUT CHARACTERISTICS | ||||||
Power Supply Voltage | | 1.6 | -- -- | 3.6 | V | |
Sensitivity Loss Across Power Supply Voltage | Change in sensitivity from 1.6V to 3.6V power supply voltage | No change | dB | |||
Total Operation Current | 1.6V-3.6V power supply voltage | | 160 | 200 | µA | |
Standby Current | 1.6V-3.6V power supply voltage | | | 2 | µA | |
OUTPUT CHARACTERISTICS | ||||||
Output Impedance | @ 1KHz ( 0 dB= 1 V/Pa) | | | 200 | Ω |
TEMPERATURE CHARACTERISTICS | |||||
Parameter | Conditions | Min | Typ | Max | Unit |
Operating Temperature | | -40 | | +85 | ℃ |
Storage Temperature | Solder on PC board | -40 | | +105 | ℃ |
In Tape and Reel | -10 | | +50 | ℃ |
ITEM | DIMENSION | TOLERANCE | UNITS |
LENGTH(L) | 3.760 | ±0.100 | mm |
WIDTH(W) | 2.240 | ±0.100 | mm |
HEIGHT(H) | 1.100 | ±0.100 | mm |
ACOUSTIC PORT(AP) | Φ0.500 | ±0.100 | mm |
PIN OUTPUT | |
PIN# | FUNCTION |
1 | POWER(VDD) |
2 | GROUND |
3 | GROUND |
4 | OUTPUT |
備注:本公司長期現(xiàn)金銷售/收購/回收:網(wǎng)絡(luò)分析儀、無線綜合測試儀、頻譜分析儀、視頻音頻分析儀、藍(lán)牙測試儀、視頻圖象信號源、LCR測試儀、高低頻信號源、示波器、萬用表、手機程控電源、直流電源、電子負(fù)載、頻率計、GPIB卡,PCI-GPIB卡、GPIB-USB-B等二手儀器出售/維修/收購。歡迎來電咨詢!!
專業(yè)批發(fā)銷售線材測試機CT-8681、CT-8683、CT-8685、CT-8687、CT-8688、CT-8689、CT-350、CT-360、CT-8600L、CT-8650E、CT-3300、TF-6815,并承接儀器維修及升及服務(wù)。
產(chǎn)品型號:LW-5991
特點:
*外觀新穎,精致美觀。
*采用脈沖測定法,適合任何形式,尺寸,材質(zhì)和阻抗的揚聲器,耳機及動圈受話器的極性。
*快速自動聲光檢測判別,特別適用于生產(chǎn)流水線上使用。
主要參數(shù):
*脈沖寬度:0.4ms±0.2ms
*脈沖幅度:>10VP-P
*輸出幅度置于“高H“:適用于一般音響、揚聲器
*輸出幅度置于“中M“適用于球頂揚聲器
*輸出幅度置于“低L“:適用于MYLAY揚聲器和動圈受話器
*傳感話筒:電容式傳聲話筒
*蜂鳴器:可切換“﹢“或“-“報警
*判定速度:0.2S
*測試靈敏度:≥25cm-揚聲器
*電源:AC220V±10%,50Hz(110v可選)
*外形尺寸:230X205X80mm
*重量:約2Kg