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General| Type | GPS receiver |
|---|---|
| Receiver Type | u-blox 7 |
| Frequency | L1, 1575.42 MHz |
| Acquisition Sensitivity | -148 dBm |
| Tracking Sensitivity | -162 dBm |
| Position Accuracy | 2.5 m CEP |
| Velocity Accuracy | 0.1 m/s |
| Heading Accuracy | 0.5 degrees |
| Update Rate | Up to 10 Hz |
| Cold Starts | 29 s |
| Hot Starts | 1 s |
| Max Altitude | 50000 m |
| Max Velocity | 500 m/s |
| Interface | UART, USB, DDC (I2C compliant), SPI |
| UART | Yes |
| USB | Yes |
| DDC (I2C compliant) | Yes |
| SPI | Yes |
| Supply Voltage | 2.7 V to 3.6 V |
| Operating Voltage | 3.0 V |
| Operating Temperature | -40°C to 85°C |
Overview of u-blox technical documentation resources for product development.
Guidance on navigating and utilizing the manual's modular structure.
Information on seeking assistance and support for u-blox 7 hardware integration.
Details on obtaining technical support and resources.
Chipset overview, multi-GNSS capabilities, performance features, and cost-effectiveness.
Block diagram of the UBX-G7020, showing internal components and optional additions.
Details on internal regulators, power domains (backup, core, RF, clock) and their supply.
Overview of 17 Programmable I/O pins and their functions.
Description of the RESET_N pin and its function for system reset.
Options for clock sources (TCXO/crystal) and their impact on performance.
Functionality and usage of the Real-Time Clock.
RF subsystem, frequency reception, and matching requirements.
USB interface capabilities, specifications, and external components.
JTAG interface for testing and debugging.
PCB layout considerations for optimal GPS/GNSS performance.
Configurations applied at startup: Interface, Low Level, Functional.
Specifications and recommended parts for the Temperature Compensated Crystal Oscillator.
Specifications and recommended parts for the GPS crystal.
Specifications and recommended parts for the RTC crystal.
List of recommended SQI flash memory components.
Recommended parts for RF band-pass filters.
Recommended parts for external LNA protection filters.
Recommended parts for USB line protection.
Recommended parts for the USB LDO.
Specifications for external LNAs.
Recommended parts for LNA_IN ESD protection diodes.
Recommended parts for operational amplifiers.
Recommended parts for open-drain buffers.
Recommended parts for antenna supervisor switch transistors.
Information on RF inductors and recommended parts.
Specifications and recommended parts for DCDC converter inductors.
List of standard capacitors with their usage and type.
List of standard resistors with their usage and type.
Recommended parts for ferrite beads.
Recommended parts for feed-thru capacitors.
Detailed list of UBX-G7020 pins, their functions, and remarks.
Checklist for schematic and BOM design considerations.
Checklist for PCB layout design considerations.
Information on handling and storage requirements for the device.
Guidelines for preventing electrostatic discharge damage to the receiver.
Reference to IPC/JEDEC J-STD-020 standard for reflow soldering.
Steps for configuring and programming the device during production.
Sequence for LL Configuration and SQI flash programming in production.
Production test procedures for verifying GPS/GNSS performance.
How to monitor system parameters during operation.
Schematic for a cost-optimized design using ROM, passive antenna, crystal, and UART/DDC.
Schematic for a high-performance design with TCXO, external LNA, and filtering.
Schematic for a power-optimized design with DCDC converter and crystal.
Schematic for improved jamming immunity using SAW filters and LNA.
Schematic for a design using 1.8V TCXO, UART/DDC, and external LNA.
Schematic for a circuit using an active antenna and 3V TCXO.
Schematic for a USB self-powered design with TCXO, LNA, RTC, and SQI flash.
Schematic for a USB bus-powered design with TCXO, DCDC, LNA, RTC, and SQI flash.
Schematic for a circuit using a 3-pin antenna supervisor.
