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Chapter 1: Introduction
H320 Integration
Successful integration of the H320 within a system requires electronics expertise that
includes:
•
Power supply design
•
Serial port level translation
•
Reasonable radio frequency competency
•
An understanding of electromagnetic compatibility
•
Circuit design and layout
The Eclipse GPS engine is a low-level module intended for custom integration with
the following general integration requirements:
•
Regulated power supply input (3.3 VDC ± 3%) and 490 mA continuous
current
•
Low-level serial port (3.3 V CMOS) and USB port communications
•
Radio frequency (RF) input to the engine from a GPS antenna is required to
be actively amplified (10 to 40 dB gain)
•
GPS antenna is powered with a separate regulated voltage source up to
15 VDC maximum
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Antenna input impedance is 50 
H320 Features
Features of the H320 include:
•
GNSS engine (3 channels dedicated to SBAS tracking)
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20 mm horizontal accuracy with RTK 95%
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Raw measurement output (via documented binary messages)
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Position and heading update rates of 20 Hz maximum
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Robust RTK with Hemisphere GPS’ SureTrack® technology
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Long-range RTK baselines up to 50 km
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Fast reacquisition times
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10 m heading baseline
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COAST™ technology that provides consistent performance with correction
data
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Quick times to first fix
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Four full-duplex serial ports
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Two USB ports (1 USB host and 1 USB device)
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1 PPS timing output
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Event marker input
Note: For complete specifications of the H320 see Appendix C, “Technical
Specifications.”
Vector H320 Integrators Guide
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PN 875-0312-000 Rev A1