供应,北斗天线,北斗模块,GPS定位

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

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8

特性阻抗Impedance(Ω)

50

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9

频率温度系数(ppm/℃)

Frequency Temperature Coefficient

0±10

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