UMTS GPSONE RECEIVER TRAINING

huanyin0111 · 发表于 2010-2-2 18:19:21

【文件名】:1022@52RD_UMTS GPSONE RECEIVER TRAINING.pdf
【格　式】:pdf
【大　小】:1827K
【简　介】:
【目　录】:
• Reference documents
• RFR6250™, RFR6275™, RFR6500™, and RTR6285™introduction and example applications
• RFR IC design guidelines
• Internal interference and sensitivity degradation
• Bandpass filter and blanking considerations
• General GPS design recommendations
• Platform-specific topics
• Appendix – Background Information
– Blanking and effects on GPS performance
– Single VCTCXO tracking solution
– Antenna considerations

本文来自：我爱研发网(52RD.com) 详细出处：http://www.52rd.com/bbs/post.asp?action=new&boardid=134

whitesox · 发表于 2014-4-12 20:39:18

Qualcomm GPS

mhkj · 发表于 2014-7-11 14:01:35

目前市场上尺寸最小的完全国产化的北斗/GPS模块 UM220-III BD2/GPS 双系统双导航授时北斗芯片模块=
139 108 52560

特点：尺寸：16 x 12.2 x 2.4mm
完全兼容uBlox NEO 6M
小于120mW 1PPS精度：20NS
=======================
好消息！MHKJ-1612 北斗BD/GPS双模芯片(U-BLOX 6M/7M兼容) 导航定位/授时=99元零售.60元批发/ 提供相关技术资料 ( 相关软件/ 电路图/ PCB板的图及有关程序 )和套件

blfklfn · 发表于 2015-10-4 23:11:26

HEHEHHE

huahua9418 · 发表于 2017-3-27 14:02:45

广告真多啊~

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