p800gps天线(卫星导航接收模块)

多普达p100,p800,依天g500等全系列产品通用gps天线!天线特性antennaspecificationgas1575r(25×25×4)中心频率centerfrequency1575.42mhz±3mhz电压驻波比v.s.w.r1.5:1带宽bandwidth±5mhz带外衰耗attenuationfo±100mhz＞30db阻抗impendence50ohm最高增益peakgain＞3dbicbasedon7×7cmgroundplane增益范围gaincoverage＞-4dbicat–90°＜0＜+90°(over75%volume)天线极化polarizationrhcp放大器规格lnaspecificationgaa1575a4d5放大器增益lnagain(withoutcable)27dbtypical噪声系数noisefigure1.5db输出电压驻波比v.s.w.r＜2.0直流电压dcvoltage3-5v±0.5v直流电流dccurrent15mamax结构特性mechanicalspecificationgaa1575a4d5重量weight＜100(克)gram外型尺寸size46mm×14mm电缆cablesyv-50-25meterlongorotherrg1745meterlongorother连接器型号connectorms-147plug固定方式mounting螺丝固定外壳颜色housing黑black低噪声放大器原理lna环境特性environmentalspecification工作温度workingtemp-40℃~+85℃极限温度storagetemp-40℃~+100℃振动vibrationsinesweep1g(0-p)10~50~10hzeachaxis湿度humidity95%~100%rh防水weatherproof100%waterproof可靠性mtbf=1×10-6/pc.hr40℃±5℃dc=5v±0.5v数量2000pcs持续时间为480h