T
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Copyright ©
Table of Contents
Table of Contents
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Attention
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Technical upport
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1. Introduction
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2. General Rules for Design-
2.1 Circuit Design
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2.1.1 Power supply VCC
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2.1.2 VBACKUP backup battery
2.1.3 UART 0 (RX/TX) –
2.1.4 GND-Ground
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2.1.5 Antenna Co
2.1.6 1PPS
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2.1.7 3D_Fix
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2.2 Layout Guideline
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2.2.1 Layout underneath the GPS module
2.2.2 Keep far away from high profile or metal canned components
2.2.3 Placement
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2.2.4 Trace
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2.2.5 Ground Segmentation
2.2.6 Ground Plane
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3. Thermal Profile for MD Modules
4. Troubleshooting
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5. Contact
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Appendix I: uper Capa
Appendix II: 50 Ω Antenna Matching
Appendix III: UART to R 232 Interface
Appendix IV: UART to U B Interface
Appendix V: How to efficiently transfer 1PP through extended distances
Appendix VI: Caution for Reflow oldering Process
his document is the exclusive property of GlobalTop Tech Inc. and should not be distributed, reproduced, into any other
prior permission of GlobalTop Tech Inc
.
Specifications subject to change without prior notice.
4
GlobalTop Technology Inc. All Rights Reserved.
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2.1.2 VBACKUP backup battery
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2.2.1 Layout underneath the GPS module
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2.2.2 Keep far away from high profile or metal canned components
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2.2.5 Ground Segmentation
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3. Thermal Profile for MD Modules
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Appendix II: 50 Ω Antenna Matching
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Appendix III: UART to R 232 Interface
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Appendix IV: UART to U B Interface
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Appendix V: How to efficiently transfer 1PP through extended distances
Appendix VI: Caution for Reflow oldering Process
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3
his document is the exclusive property of GlobalTop Tech Inc. and should not be distributed, reproduced, into any other
format without
Specifications subject to change without prior notice.
GlobalTop Technology Inc. All Rights Reserved.
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Appendix V: How to efficiently transfer 1PP through extended distances
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