UNICORECOMM UM4B0 Installation And Operation User Manual Download Page 17 | Manualshive

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13

UM4B0

ANT_IN

ANT_BIAS

ANT

ANT_PWR

GND

L1

C2

C1

Figure 3-6 UM4B0 External Antenna Feed Reference Circuit

Remarks:

a)

L1, feed inductor, 68nH RF inductor in 0603 package is recommended;

b)

C1, decoupling capacitor, it is recommended to connect two capacitors of 100nF/100pF

in parallel;

c)

C2, DC blocking capacitor, recommended 100pF capacitor.

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Summary of Contents for UM4B0

Page 1: ...a l WWW UNICORECOMM COM INSTALLATION AND OPERATION USER MANUAL Data subject to change without notice Communications Inc Copyright 2009 2021 Unicore RTK Positioning Module All constellation All freque...

Page 2: ...rmation on the MEMS device and add RF input power consumption of antennas 2021 04 13 R4 1 Add average current in chapter 2 4 2021 06 23 R4 2 Modify pin19 in Figure 2 2 2021 07 01 Disclaimer Informatio...

Page 3: ...use of UNICORECOMM UM4B0 product This manual is a generic version Please refer to the appropriate part of the manual according to your purchased product configuration concerning CORS RTK and Heading R...

Page 4: ...GN 9 3 3 PINS 10 3 4 PCB PACKAGING 11 3 5 RESET SIGNAL 12 3 6 ANTENNA 12 3 7 EXTERNAL ANTENNA FEED DESIGN 12 4 INSTALLATION AND CONFIGURATION 14 4 1 ESD HANDLING PRECAUTIONS 14 4 2 HARDWARE INSTALLATI...

Page 5: ...ng output It can simultaneously track BDS B1I B2I B3I B1C B2a GPS L1 L2 L5 GLONASS L1 L2 Galileo E1 E5a E5b Figure 1 1 UM4B0 Module 1 2 Key Features 30 40mm the smallest multi system multi frequency h...

Page 6: ...Reacquisition 1s DGPS RMS Horizontal 0 4m Correction RTCM 3 0 3 2 3 3 Vertical 0 8m RTK RMS Horizontal 1cm 1ppm Data Output NMEA 0183 Unicore Binary Vertical 1 5cm 1ppm Update Rate 20Hz Heading Accur...

Page 7: ...CORECOMM s new generation high precision GNSS SoC with 55nm low power design which supports up to 12 digital intermediate frequency or 8 analog intermediate frequency signals and can track 12 navigati...

Page 8: ...UM4B0 User Manual 4 Figure 2 1 Mechanical Dimensions 2 2 Pin Definition Top View Figure 2 2 UM4B0 Pin Diagram...

Page 9: ...10uA Can be suspended without using the hot start function 18 GND Ground 19 PVT STAT O PVT positioning indicator active high The module outputs high level when positioning is available and outputs low...

Page 10: ...second 45 EVENT I Event Mark 46 RST_N I Fast reset will not clear user configurations Active Low 5 ms 47 GND Ground 48 RSV RSV 49 RSV RSV 50 RSV RSV 51 RSV RSV 52 GND Ground 53 RSV RSV 54 RSV RSV 55...

Page 11: ...A Antenna Gain Gant 20 30 36 dB Noise Figure Nftot 2 5 3 3 5 dB LNA Input ANT_PWR 3 3 5 5 5 V 100mA Operating Temperature Topr 40 85 C Power Consumption P 1 5 1 8 2 0 W Average Current Iavg 0 545 A NO...

Page 12: ...mware upgrades Properly connect the module s reset pin FRESET_N to ensure complete reset of the module It will restore the module to the manufacturing configuration When ANT_NLOD ANT_FFLG and antenna...

Page 13: ...hort without any kinks try to avoid all acute angles Try to avoid designing in any circuits underneath UM4B0 This module is a temperature sensitive device so dramatic changes in temperature will resul...

Page 14: ...ly peak ripple power lower than 50mVpp is preferred ANT_PWR 5 Power Antenna Power Supply Voltage supply for active antenna GND 1 3 4 6 9 14 18 25 33 34 43 47 52 55 57 58 60 Power Ground Connect all th...

Page 15: ...unconnected if not used TXD3 39 O COM3 Transmit Data COM3 output leave unconnected if not used RXD3 40 I COM3 Receive Data COM3 input leave unconnected if no use System FRESET_N 22 I Hardware Reset lo...

Page 16: ...3 5V is adopted please make sure the 50 antenna impedance is matched ANT_IN UM4B0 Module Figure 3 5 UM4B0 Active Antenna Connection 3 7 External Antenna Feed Design UM4B0 feeds the antenna signals to...

Page 17: ...External Antenna Feed Reference Circuit Remarks a L1 feed inductor 68nH RF inductor in 0603 package is recommended b C1 decoupling capacitor it is recommended to connect two capacitors of 100nF 100pF...

Page 18: ...components Please check carefully whether the module has obviously loose or damaged components Figure 4 1 Typical Installation of UM4B0 Please check the contents of the package carefully after receivi...

Page 19: ...al between 20 and 36 dB Please select the appropriate antenna antenna cable and online LNA accordingly Figure 4 2 Installation Instruction Step 3 Select the GNSS antenna with appropriate gain and fix...

Page 20: ...ial Port Step 5 Connect a 12V adapter to the EVK power input and switch on to power the device Figure 4 4 Connect the Antenna Step 6 Open the UPrecise software on the PC Step 7 Control the receiver th...

Page 21: ...nd to the receiver Console View Displaying the receiver s output in ASCII format ASCII View Graphic window for displaying Position of satellite PRN and Signal Noise Ratio Constellation View Historical...

Page 22: ...ssage output It is recommended to configure GPGGA GPGSV and other messages Figure 4 7 NMEA Data Output Step 4 Click the receiver settings button to configure the NMEA message output then click send It...

Page 23: ...ble COM ports are COM1 COM2 and COM3 The baud rate could be 9600 19200 38400 57600 115200 230400 460800 bps unlog Disable all outputs of the port in use saveconfig Save the settings Base Rover Station...

Page 24: ...ype and update rate 1 0 5 0 2 0 1 corresponds to the frequency 1Hz 2Hz 5Hz 10Hz respectively The optional message types are GGA RMC VTG ZDA NTR gphdt comx 1 Output the heading message HDT of the prese...

Page 25: ...motion at the same time receives the satellite information and sends it to the rover station receiver to be determined directly or after processing The rover station receiver receives satellite obser...

Page 26: ...of corresponding NII as input pull up and then queries the status of 2 bit IO to check the antenna state If ANT_PWR malfunctions the query result is invalid If the antenna is not fed by ANT_PWR but by...

Page 27: ...23 Figure 7 2 Update Steps Waiting for the process to complete 100 the upgrade time is normally within 5min Figure 7 3 Update Steps Please use COM1 only to update firmware...

Page 28: ...Cooling Stage Cooling slope Max 4 s Notes In order to prevent fall off during soldering of the modules please avoid soldering the module in the back of the Board during design that is better not to g...

Page 29: ...ys which is suitable for mainstream SMT equipment Each box contains 5 trays so there are 150 UM4B0 modules in the box Table 9 1 Package Information No Description 1 10 trays box 2 10 antistatic packag...

Page 30: ...www unicorecomm com Unicore Communications Inc www unicorecomm com Phone 86 10 69939800 Fax 86 10 69939888 info unicorecomm com 7 F3 No 7 Fengxian East Road Haidian Beijing P R China 100094...

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