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Small-Form-Factor Advanced Timing Systems
Our GNSS Disciplined Oscillator (GNSSDO) modules combine high-performance oscillators and our proprietary holdover, aging and environmental correction algorithms into a small-form-factor PNT system. Our flexible GNSSDOs and GPSDOs can be integrated as a stand-alone system or as the critical PNT subsystem within a larger design. These modules are excellent options for defense applications, 5G base stations, digital audio broadcasts and general timing and instrumentation applications
Explore Popular Models
MD-300
Compact, Dual-Band GNSS
This compact, MEMS-based TCXO or OCXO GNSS disciplined oscillator with a 2.5 × 1.5 footprint for board or chassis mounting features an embedded, dual-band, multi-GNSS receiver and includes multiple outputs, including 10 MHz sine wave, differential RF and 1 PPS.
LM-010
Radiation Tolerant
This module is designed for Low Earth Orbit (LEO) applications that require radiation tolerance. It offers the stability and holdover capabilities of our disciplined modules and includes a digitally corrected OCXO or a low-power SA45S Chip Scale Atomic Clock (CSAC).
MD-013 ULTRA CLEAN
GNSS Ultra-Low ADEV
This GNSS disciplined oscillator module features ultra-low phase noise and ultra-low Allan Deviation (ADEV). It has an embedded 72-channel GNSS receiver for GPS, Galileo and GLONASS services, and it can be configured to use an external reference.
MD-013
GNSS High Stability
The MD-013 is a standard platform module that provides 1 PPS TTL, 10 MHz sinewave and 10 MHz square-wave outputs that are disciplined to an external 1 PPS reference. The internal reference oscillator is an ultra-stable OCXO.
MD-015
Atomic Clock Stability
The MD-015 offers atomic stability and accuracy and uses a Chip Scale Atomic Clock (CSAC) or Miniature Atomic Clock (MAC-D) as the reference clock to provide optimal holdover time. This is achieved using algorithms that correct for temperature change, frequency aging and pressure sensitivity.
MD-175
GNSS High Stability
Our fully integrated, low-noise GNSS disciplined module is available in a compact, surface-mount 40 × 50 mm footprint. It has an embedded GPS- and GLONASS-compatible 34-channel receiver and provides a 10 MHz sinewave and 1 PPS HCMOS output. An onboard OCXO provides stability in the unlocked mode.
GNSSDO and GPSDO Module Options
Similar Devices
Custom Solutions and Capabilities
Along with our standard off-the-shelf modules, we also offer custom capabilities. We can design, develop and adjust our modules and solutions to fit your specific application requirements. Our expertise in the manufacturing and design of crystal oscillators, atomic clocks, PNT systems and algorithms can be applied in a custom level solution. Our capabilities include:
- Multiple form factor—low Size, Weight, Power and Cost (SWaP-C), modules, box level, rackmount
- Ruggedization—high shock/vibration, board coatings and low g-sensitivity
- Multiple frequency outputs up to 100 MHz
- Ultra-low phase noise and Allan Deviation (ADEV)
- Multiple inputs
- Embedded receivers and oscillators
- Custom firmware
- GNSS, M-Code and alternate-constellation receivers available
- All standard, off-the-shelf modules that are CE/RoHS compliant
Software
We can help you with the integration of our GNSSDO and GPSDOs because we have spent years developing the Vectron® Serial Interface Protocol (VSIP) and Vectron Disciplined Oscillator Module Monitor 3 (VDOM3) software. These solutions help you get the most out of our GNSSDOs and GPSDOs by enabling you to configure many settings on the GNSSDO and GPSDO over the serial interface or using the GUI from the VDOM3 software. VDOM can also be used to track and report the status of the module and plot the performance of the oscillator, whether you are using one of our OCXOs or atomic clocks. The software also allows you to monitor the satellites being used in the GNSS receiver. Our mature software can be customized for specific users and applications as well.
Vectron Serial Interface Protocol (VSIP)
- NMEA-0183-based protocol for communications with GNSSDO and GPSDO modules
- Enables a user to configure specific module settings, such as GNSS observables
- Can configure alarms, holdover settings, reference switching and other functions
Vectron Disciplined Oscillator Module (VDOM3) Monitor
- Monitors GNSSDOs and GPSDOs from either a PC or embedded system
- Can track and report module status, plot oscillator timing performance, track satellites and perform other functions
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Additional Oscillator Products Acquired from Vectron®
With the acquisition of Vectron, we offer a more comprehensive portfolio of oscillator technologies, services and solutions so you can build more reliable systems supporting today’s precise timing standards. These solutions include OCXOs, TCXOs, VCXOs, VCSOs, GNSS-DOs, high-reliability crystals and high-reliability space and defense products.