GPS北斗天线,性能稳定,高品质的GPS北斗双模天线,高灵敏度,收星效果好.厂家直接生产北斗天线.随时可以选购.
技术参数:
.工作条件
温度Temperature:-35℃~+80℃
湿度Humidity: 0﹪~95﹪
.储藏条件
温度Temperature:-35℃~+80℃
湿度Humidity: 0﹪~95﹪
.天线特性
NO |
项目(Item) |
特性(Specifications) |
PostEnvironmental Tolerance (试验后允许附加误差) |
1 |
接收频率范围(MHz) Range of Receiving Frequency |
1575.42±1.1 |
±2.5 |
2 |
中心频率(30*30m㎡蔽时) Center Frequency(MHz) (with 30mmSpuareGND plane) |
1575.42 |
±3.0 |
3 |
带宽Band Width(MHz) (Retum Loss≤-10dB) |
≥10 |
±0.5 |
4 |
驻波比V.S.W.R(in Center Frequency) |
≤1.5 |
±0.5 |
5 |
增益Gain (Zenith)(dBi typ) (with 70mmSquare GND plane) |
4.5 |
±0.5 |
6 |
轴比Axial Ratio (with 70mm Square GND plan) |
3.0dB |
±0.2 |
7 |
偏振方式Polarization |
右旋圆极化 Right-Handed Circular |
---- |
8 |
特性阻抗Impedance(Ω) |
50 |
---- |
9 |
频率温度系数(ppm/℃) Frequency Temperature Coefficient |
0±10 |
---- |
.放大器特性
NO |
项目(Item) |
特性(Specifications) |
1 |
频率范围 |
1575.42MHz |
2 |
放大器增益 |
28dB |
3 |
驻波比 |
≤2.0 |
4 |
噪声系数 |
≤2.0dB |
5 |
直流电压 |
3~5V |
6 |
直流电流 |
10mA |