您好，我现在使用LC761Z定位模组，始终对不上星。天线在LC76G定位模组上已验证是可用的。这是我的电路设计图。（使用有源天线）通过IIC读取NEMA数据。模组开机后IIC读取到$CRC,3575B6C0,3575B6C052..$GBTXT,02,01,01,QUECTEL,03132D. 后续日志$GBGGA,000000.200,
GPS I2C RAW[80]: ,0,00,99.99,M,M,46..$GBGLL,000000.200,V,N6A..$GBGSA,A,1,99
GPS I2C RAW[160]: .99,99.99,99.99,43A..$GBGSV,1,1,00,374..$GBGSV,1,1,00,1*76..$GBRMC,000000.200,
[13-23-05-869]收←◆GPS I2C RAW[0]: V,050180,N,V2B..$GBVTG,T,M,N,K,N3E..$GBGGA,000000.700,0,00,99.
GPS I2C RAW[80]: 99,M,M,43..$GBGLL,000000.700,V,N6F..$GBGSA,A,1,99.99,99.99,
GPS I2C RAW[160]: 99.99,43A..$GBGSV,1,1,00,374..$GBGSV,1,1,00,1*76..$GBRMC,000000.700,V,05
[13-23-06-866]收←◆GPS I2C RAW[0]: 0180,N,V2E..$GBVTG,T,M,N,K,N3E..$GBGGA,000001.700,0,00,99.99,M,M,
GPS I2C RAW[80]: 42..$GBGLL,000001.700,V,N6E..$GBGSA,A,1,99.99,99.99,99.99,43A
GPS I2C RAW[160]: ..$GBGSV,1,1,00,374..$GBGSV,1,1,00,1*76..$GBRMC,000001.700,V,050180,N,V
[13-23-07-862]收←◆GPS I2C RAW[0]: 2F..$GBVTG,T,M,N,K,N3E..$GBGGA,000002.700,0,00,99.99,M,M,41..$GBGL
GPS I2C RAW[80]: L,000002.700,V,N6D..$GBGSA,A,1,99.99,99.99,99.99,43A..$GBGSV,1
GPS I2C RAW[160]: ,1,00,374..$GBGSV,1,1,00,176..$GBRMC,000002.700,V,050180,N,V2C..$GBVT
[13-23-08-872]收←◆GPS I2C RAW[0]: G,T,M,N,K,N3E..$GBGGA,000003.700,0,00,99.99,M,M,40..$GBGLL,0000
GPS I2C RAW[80]: 03.700,V,N6C..$GBGSA,A,1,99.99,99.99,99.99,43A..$GBGSV,1,1,00,374
GPS I2C RAW[160]: ..$GBGSV,1,1,00,176..$GBRMC,000003.700,V,050180,N,V*2D..$GBVTG,T,M,N
[13-23-09-869]收←◆GPS I2C RAW[0]: ,K,N3E..$GBGGA,000004.700,0,00,99.99,M,M,47..$GBGLL,000004.700,V,N
GPS I2C RAW[80]: 6B..$GBGSA,A,1,99.99,99.99,99.99,43A..$GBGSV,1,1,00,374..$GBGSV,1
GPS I2C RAW[160]: ,1,00,176..$GBRMC,000004.700,V,050180,N,V2A..$GBVTG,T,M,N,K,N3E..日志显示未对上星。请问是我的设计有什么问题吗。
