此GPS天线介质陶瓷系列:尺寸有35*35 25*25 20*20 18*18 15*15 13 *13 12*12 10*10常用.60*60 30*30 多种尺寸规格可供客户选择要 .适用于卫星定位.导航系统.也可以客户指标订做
| ELECTRICAL SPECIFICATIONS | |||
| ITEM | SPEC | UNIT | |
1 | Center Frequency | 915.0 | MHz |
2 | Bandwidth [BW] | 8 min | MHz |
3 | Gain | 6.0 typical | dB |
4 | Ground Plane | 65x65 | mm |
5 | Dimension | 35x35x4 | mm |
6 | Impedance | 50 | Ohm |
7 | Polarization | Right Hand Circular Polarization | |
| DIMENSIONS | |||
| |||
2. STRUCTURE AND MATERIAL
No. | Description | Structure and material |
2-1 | Antenna Substrate | Dielectric Ceramics |
2-2 | Pin | Copper, lead and tin plate |
2-3 | Electrode | Ag plated |
2-4 | Ground Base | Ag plated |
3.PHYSICAL DIMENSIONS
4.ENVIRONMENTAL SPECIFICATIONS
Standard Condition : Temperature range:25±3℃
Relative Humidity range: 55~75%RH
Operating Temperature range:-40℃~+85℃
Storage Temperature range: -40℃~+100℃
4.1 High TemperatureEndurance
The device should satisfy thespecification in Table 1after exposed to temperature 85±5℃
for 24±2 hours and 1~2 hours recovery time under normal temperature.
4.2 Low TemperatureEndurance
The device should also satisfy thespecification in Table 1after exposed to the temperature
-40℃±5℃for 24±2 hours and 1~2 hours recovery time under normal temperature.
4.3Moisture Proof
The device should satisfy thespecification in Table 1after exposed to the temperature 40±2
℃and the relative humidity 90~95% RH for 96 hours and 1~2 hours recovery time under
normal condition.
4.4 Vibration Resist
The device should satisfy thespecification in Table 1after applied to the vibration of 10 to
55Hz with amplitude of 1.5mm for 2 hours each in X , Y and Z directions.
4.5Drop Shock
The device should satisfy the specification in Table 1 after dropping onto the hard wooden
board from the height of 30cm for 3 times each facet of the 3 dimensions of the device.
4.6 Temperature Cycle Test
The device should also satisfy thespecification in Table 1after exposed to the low
temperature -25℃and high temperature +85℃for 30±2 min each by 5 cycles and 1 to 2
hours recovery time under normal temperature.
