Figure 1-2 UM960 Block Diagram
RF Part
The receiver gets filtered and enhanced GNSS signal from the antenna via a coaxial
cable. The RF part converts the RF input signals into the IF signal, and converts IF
analog signal into digital signals required for NebulasIV chip.
NebulasIV SoC
NebulasIV is UNICORECOMM’s new generation high precision GNSS SoC with 22 nm low
power design, supporting all constellations, multiple frequencies and 1408 super
channels. It integrates a 2 GHz dual CPU, a high speed floating point processor and an
RTK co-processor, which can fulfill the high precision baseband processing and RTK
positioning independently.
1PPS
UM960 outputs 1 PPS with adjustable pulse width and polarity.
Event
UM960 provides 1 Event Mark Input with adjustable frequency and polarity.
Reset (RESET_N)
Active LOW, and the active time should be no less than 5 ms.
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