Vectron has released three new GNSS disciplined oscillators.
The MD–171 is an extended holdover GNSS disciplined module, fully integrated in a compact surface-mount 40 x 50 mm footprint. The module has an embedded 34-channel receiver that is both GPS and GLONASS compatible, and provides a sinewave or CMOS 10 MHz, and HCMOS 1 pps output. An onboard precision OCXO provides stability in the unlocked mode enabling extremely low holdover. The module operates from −40°C to +85°C.
The MD–174 is a low-noise module housed in the same footprint. It also has an embedded 34-channel receiver that is both GPS and GLONASS compatible, and provides a sinewave 10 MHz and HCMOS 1 pps output. An onboard OCXO provides stability in the unlocked mode. The module operates from −40°C to +85°C.
Housed in a compact surface-mount 25 x 20 mm package, the MD–261 is a fully integrated module with an embedded 34-channel receiver that is both GPS and GLONASS compatible. It provides an LVCMOS 10 MHz and 1 pps output, and an onboard OCXO or high-precision TCXO is available dependent on performance requirements. The module operates from −40°C to +85°C, and is capable of providing a holdover of 1,5 μs over 2 hours over a ±2°C temperature window. An evaluation kit with operating software is available for development purposes.
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