3
Recommended BOM
Component
Order No.
Manufacturer
U1
RS-232
Transceivers
TRS3122ERGER
TI
U2
LNA
MXDLN14TP
MAXSCEND
Page 1: ...HARDWARE REFERENCE DESIGN WWW UNICORECOMM COM UM620N Automotive Grade Dual frequency Multi GNSS Positioning Module Copyright 2009 2023 Unicore Communications Inc Data subject to change without notice...
Page 2: ...l not be deemed as either expressly implied by estoppel or any other form the granting or transferring of Unicore rights and or interests including but not limited to the aforementioned trademark righ...
Page 3: ...UM620N V1R0 Hardware Reference Design I Contents 1 Reference Circuit Using an Active Antenna 1 2 Reference Circuit Using a Passive Antenna 2 3 Recommended BOM 3...
Page 4: ...GND pins of the module Connect the RF_IN signal to the antenna note the 50 impedance matching Feed the antenna with external power supply The supply voltage for VBCKP is 1 7 V 3 6 V Active Low VCC 2...
Page 5: ...uld be added between the antenna and the RF_IN of the module in order to ensure the performance of the system For the RF routing antenna LNA RF_IN note the 50 impedance matching The supply voltage for...
Page 6: ...3 3 Recommended BOM Component Order No Manufacturer U1 RS 232 Transceivers TRS3122ERGER TI U2 LNA MXDLN14TP MAXSCEND...
Page 7: ...Unicore Communications Inc 7 F3 No 7 Fengxian East Road Haidian Beijing P R China 100094 www unicorecomm com Phone 86 10 69939800 Fax 86 10 69939888 info unicorecomm com www unicorecomm com...
