供应GPS车载天线

**定位系统有源天线规格书
GPS  Active  Antenna  Specification
	
一、产品型号Product Model   GPS-07
二、介质天线 Dieletric Antenna
中心频率Center Frequency    1575.42MHz±3 MHz
电压驻波比V.S.W.R            1.5:1
带宽Band Width              ±5 MHz
阻抗Impendence            50 ohm
较高增益Peak Gain        ＞3dBic  Based on 7×7cm ground plane
增益范围Gain Coverage    ＞-4dBic at –90°＜0＜+90°(over 75% Volume)
天线较化Polarization          RHCP
三、 放大器/滤波器LNA/Filter 
放大器增益LNA Gain(Without cable)   28dB Typical
噪声系数Noise Figure                1.5dB
滤波器带外衰减 Filter Out Band Attenuation (f0=1575.42 MHZ)
7dB Ｍin     f0+/-20MHZ ; 
20dB Ｍin    f0+/-50MHZ;
30dB Ｍin    f0+/-100MHZ
输出电压驻波比V.S.W.R              ＜2.0
直流电压DC Voltage                 3V , 5V,  3V to 5V或其他
直流电流DC current                 5mA ，10mA    Max
四、结构Mechanical
重量Weight                         ＜110(克)gram
外型尺寸Size                       50×39×16mm
电缆Cable                          RG174  5  meters  或3  meters
连接器型号Connector                SMA/SMB/SMC/BNC/FME/TNC/M