GNSSDO modules ensure reliable PNT performance
Microchip’s GNSS-disciplined oscillator (GNSSDO) modules integrate positioning, navigation, and timing (PNT) for mission-critical aerospace and defense applications. Built with the company’s chip-scale atomic clock, miniature atomic clock, and OCXOs, the compact modules are well-suited for systems that operate in GNSS-denied environments.
The modules process reference signals from a GNSS or an alternative clock source to discipline the onboard oscillator, ensuring precise timing, stability, and holdover operation. They can function as a PNT subsystem within a larger system or as a stand-alone unit.
All modules output 1-PPS TTL and 10-MHz sine wave signals, with distinct features for different use cases:
- MD-013 ULTRA CLEAN – Highest-performance design with multi-constellation GNSS support, ultra-low phase noise, and short-term stability; optional dual-band receiver upgrades.
- MD-300 – Rugged 1.5×2.5-in. module with MEMS OCXO or TCXO for low g-sensitivity, shock/vibration tolerance, and low thermal response; suited for drones and manpacks.
- LM-010 – PPS-disciplined module for LEO requiring radiation tolerance, stability, and holdover; built with a digitally corrected OCXO or low-power CSAC.
The GNSSDO modules are available in production quantities.
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