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EVK-M8F User Guide 

 

UBX-15016541 - R01

 

Early Production Information

 

Board layout

 

 

 

Page 15 of 21

 

 

PART 

DESCRIPTION 

A1 

GNSS RECEIVER 

C1 C2 C6 C7 C8 C10 C14 C16 C19 

CAP CER X7R 0603 100N 10% 10V 

C3 C25 

CAP CER X5R 1210 10U 10% 10V 

C4 C11 C13 

CAP CER X5R 0603 1U0 10% 6.3V 

C5 C20 

CAP CER COG 0603 47P 10% 25V 

C9 C12 

CAP CER X7R 0603 10N 10% 25V 

D1 D5 

SURFACE MOUNT SCHOTTKY BARRIER RECTIFIER SS14 1A -55/+125C 

D2 D4 D6 

CAP CER X7R 0402 10N 10% 16V 

D3 R16 R17 R18 R20 R21 R22 R23 

ESD PROTECTION FOR HIGH SPEED LINES, TYCO, 0.25PF, PESD0402-140 -55/+125C 

DS1 

LED OSRAM HYPER MINI TOPLED LB M673-L1N2-35 BLUE 0.02A 

FB1 FB4 FB6 FB7 

FERRITE BEAD MURATA BLM18HG 0603 1000R@100MHZ -55/+125C 

FB2 FB3 R11 R12 

RES THICK FILM CHIP 0603 0R 0 0.1W 

J1 

CON USB RECEPTACLE MICRO B TYPE SMD - MOLEX 47346-0001 - TID60001597 30V 
1A 

J2 

CON SMA SMD STRAIGHT JACK 11.4MM HEIGHT WITHOUT WASHER AND NUT 

J3 

9 POLE SUBD CONNECTOR FEMALE 

J4 

14PIN 90\xB0 2.54MM PITCH DISCONNECTABLE CRIMP CONNECTOR -40/+85C 

J5 

6PIN 90\xB0 2.54MM PITCH DISCONNECTABLE CRIMP CONNECTOR -40/+85C 

J6 

CON SMA THT RIGHT ANGLE JACK 18MM LENGTH 

R1 

RES THICK FILM CHIP 1206 0R 0 2A -55/+125C 

R2 R6 

RES THICK FILM CHIP 0603 100R 5% 0.1W 

R3 R8 R14 R15 R19 

VARISTOR BOURNS MLE SERIES CG0402MLE-18G 18V 

R4 R5 

RES THICK FILM CHIP 0603 22R 5% 0.1W -55/+125C 

R7 

RES THICK FILM CHIP 0603 1R0 5% 0.1W 

R9 

RES THICK FILM CHIP 0603 51R 1% 0.063W 

R13 R24 R27 

RES THICK FILM CHIP 0603 100K 5% 0.1W 

R28 R29 

RES THICK FILM CHIP 0603 470R 1% -55/+125C 

S1 S2 

SWITCH SPST ON 1POL TYCO -40/+85C 

Table 7: EVB-M8F-0-01 component list 

Summary of Contents for EVK-M8F-0-01

Page 1: ...erence products User Guide Abstract This document describes the structure and use of the EVK M8F 0 01 evaluation kit and provides information for evaluating and testing u blox M8 time and frequency re...

Page 2: ...Version ROM FLASH version PCN reference EVK M8F EVK M8F 0 01 B ROM 2 01 FLASH FW2 20 FTS1 01 N A u blox reserves all rights to this document and the information contained herein Products names logos a...

Page 3: ...d performance Warnings and certifications CAUTION IN THE UNLIKELY EVENT OF A FAILURE IN THE INTERNAL PROTECTION CIRCUITRY THERE IS A RISK OF AN EXPLOSION WHEN CHARGING FULLY OR PARTIALLY DISCHARGED BA...

Page 4: ...ted 8 3 1 Software installation 8 3 2 Hardware installation 8 3 3 Serial port default configuration 8 4 Device description 9 4 1 Interface connection and measurement 9 4 2 Active antenna 9 4 3 Evaluat...

Page 5: ...EVK M8F User Guide UBX 15016541 R01 Early Production Information Contents Page 5 of 21 9 Common evaluation pitfalls 19 Related documents 20 Revision history 20 Contact 21...

Page 6: ...ok PC making them the perfect companion through all stages of design in projects Evaluation Kit Description Suitable for EVK M8F 0 01 u blox M8 Evaluation Kit time and frequency reference products LEA...

Page 7: ...PI clock signal max 5 5 MHz SPI DATA max 1 Mbit s Timing Interfaces 1 DDC I2 C compatible master to control external VCTCXO via DAC 2 Frequency Phase timing measurement inputs 1 Low noise frequency re...

Page 8: ...ort UART Connect via RS232 Set slide switch to I 2 C SPI I 2 C compliant DDC Connect corresponding pins see Table 5 for pin description Set slide switch accordingly to SPI or I 2 C NOTE Press the RST...

Page 9: ...ntenna supply current for active antennas is 30 mA 4 3 Evaluation unit Figure 2 shows the front and the rear panels of the EVK M8F 0 01 evaluation unit Front panel Rear panel Figure 2 EVK M8F 0 01 eva...

Page 10: ...set the unit in safe boot mode In this mode the receiver executes only the minimal functionality such as updating new firmware into the SQI flash In order to set the receiver in safe boot mode please...

Page 11: ...F O 3 3 V Filtered VCC supply output for active antennas 9 VANT I VCC supply input to supply an active antenna through the RF connector link to VCCRF with a jumper if required 8 TIMEPULSE O 3 3 V Time...

Page 12: ...t The pin functions are itemized below PIN Nr PIN NAME I O LEVEL DESCRIPTION 6 GND Ground pin 5 SCL_DAC O 3 3 V DDC master clock for external DAC 4 GND Ground pin 3 SDA_DAC O 3 3 V DDC master data for...

Page 13: ...ary on the voltmeter and convert to current 1 mV equals 1 mA 4 Perform the test with good signals and clear sky view to ensure that the receiver can acquire the satellite signals The overall current m...

Page 14: ...r Guide UBX 15016541 R01 Early Production Information Board layout Page 14 of 21 6 Board layout Figure 5 shows the board layout of EVK M8F 0 01 See Table 7 for the component list of the EVB Figure 5 B...

Page 15: ...25C FB2 FB3 R11 R12 RES THICK FILM CHIP 0603 0R 0 0 1W J1 CON USB RECEPTACLE MICRO B TYPE SMD MOLEX 47346 0001 TID60001597 30V 1A J2 CON SMA SMD STRAIGHT JACK 11 4MM HEIGHT WITHOUT WASHER AND NUT J3 9...

Page 16: ...UBX 15016541 R01 Early Production Information 7 Schematic Figure 6 Schematic EVK M8F 0 01 DNI TRUE in the schematic means Component not installed...

Page 17: ...mputer will show up in the COM port drop down list If a COM Port is gray another application running on this computer is using it The position is off by a few dozen meters u blox M8 GNSS technology st...

Page 18: ...8F does not work properly when connected with a GNSS simulator When using an EVK together with a GNSS simulator please pay attention to proper handling of the EVK A GNSS receiver is designed for real...

Page 19: ...rticularly at dawn and dusk have an impact on signal travel time The position of the GNSS receiver is typically not the same between two tests Comparative tests should therefore be conducted in parall...

Page 20: ...version Docu No UBX 13001708 4 LEA M8F Hardware Integration Manual Docu No UBX 14000034 5 u blox M8 Receiver Description including Protocol Specification Public version Docu No UBX 1300322 6 u center...

Page 21: ...65 6734 3811 E mail info_ap u blox com Support support_ap u blox com Regional Office Australia Phone 61 2 8448 2016 E mail info_anz u blox com Support support_ap u blox com Regional Office China Beiji...

Page 22: ...CA RDK PEX8747 CA RDK PS081 EVA KIT CHA2066 99F AS8650 DB MLX80104 TESTINTERFACE I2C CPEV NOPB ISO35TEVM 434 KIT33978EKEVB 416100120 3 XR17D158CV 0A EVB XR17V358 SP339 E4 EB XR17V358 SP339 E8 EB XR189...

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