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10 MHz GPS and GNSS Disciplined Frequency References

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  • Low Phase Noise
    ●Compact Designs Operate from -60 to +60 VDC as well as full-rack mount.
    ●Up to 10 Channels Eliminate the Need for a Distribution Amplifier and reduce noise.
    ●PPS and NMEA Outputs
    ●Secondary Channels- Synthesized from 10 MHz (Synchronous AM)
    ●Self Calibrating 
  • NF-0100 signal converter enables fiber optic channels

 

Most electronics labs require a stable 10 MHz frequency reference for frequency counters, spectrum analyzers and related equipment. The frequency reference allows synchronization of multiple test stands, minimizes ambiguity and allows the acquisition of less expensive equipment that can be easily enhanced with an external frequency reference. Most labs are operating at frequencies well below 1 GHz and a moderate phase noise reference will meet most of the reference demands. Novus GPS locked references are a strong addition. The GPS locked references listed below are used extensively in labs along with 10 MHz distribution amplifiers for cost effective installations. GPSDO Kits are available that include antenna, cable and power supply- everything you need to have a functionng reference.

Novus GPSDO Summary- All have PPS and RS232 NMEA

   Number of OutputsRack MountCompactPCB AssemblyPortablePower
NR6720-CAL 2       5 vdc*
NR3620-CAL 1       ± 60 vdc"
NR1111-O 4       85 to 260 vac
NT8700 10       85 to 260 vac
NR4300-O 1       5 vdc*
NR4320-O 2       5 vdc*
NT6700-NTP 4       85 to 260 vac
NR4420-CAL 1         85 to 260 vac
NT9400 2       85 to 260 vac
NR2310-G 10       85 to 260 vac

*AC Power Adapter Available
Kits Available for All Models (Antenna, Cable, Power Supplies)

 

 

NR3620- CAL Self Calibrating GPSDO with PPS and NMEA

 

NR3620

A popular general purpose 10 MHz GPS disciplined oscillator. Low phase noise OCXO based reference offers 10 MHz, NMEA and PPS. Status relays can be wired into an alarm panel to alert of a failed self-test condition or if the unit cannot achieve GPS lock. Wide power operating range includes -60 to +60 Vdc (in three ranges) or AC power adapter. Auto-Calibration feature stores the most current OCXO compensation coefficients. (see Youtube video- https://www.youtube.com/watch?v=uAXjvuEEgUg)

 


NR6720- CAL  Dual Channel GPSDO with Secondary Programmable from 14 KHz to 10 MHz

 

NR6720

High performance 26 channel GPS receiver that supports GPS, GLONASS, SBAS, QZSS. Synthesized secondary channel can be programmed from 14 KHz to 10 MHz- ideal for applications requiring a second locked frequency (synchronous AM). Auto-Calibration feature stores the most current OCXO compensation coefficients. (see Youtube video- https://www.youtube.com/watch?v=uAXjvuEEgUg)

 

NR6723- CAL  Triple Channel 10 MHz GPSDO

NR3623 angle

General purpose triple channel 10 MHz GPSDO. Low phase noise OCXO based reference offers GNSS locked 10 MHz, NMEA and PPS. Status relays can be wired into an alarm panel to alert of a failed self-test condition or if the unit cannot achieve GPS lock. Wide power operating range includes -60 to +60 Vdc (in three ranges). Auto-Calibration feature stores the most current OCXO compensation coefficients.

 

NR2310-O-G  10 Channel Frequency Reference

 

NR2310xxx

10 Channel 1 ru GPS locked reference frequently eliminates the need for a distribution amplifier- saving rack space and cost. Multi-channel sources eliminate noise introduction through cabling between a source and distribution amplifier. GPSDO features low noise OCXO and Auto-Calibration. 26 Channel GNSS receiver locks under weak signal conditions.

 

 

 

NR1111-O Four Channel 10 MHz GPS locked Reference with Status Display

 

nr1111

Four channel GPSDO meets the synchronization needs for more complex systems. PPS and NMEA signals come standard. Large LCD display presents time and unit status. External event input (3.3 vdc logic) causes the current time and position to be recorded and stored. The event data can also be e-mailed to a user defined IP address. Optional NTP time server provides precise timing for a local equipment network. 10 MHz GPSDO features low noise OCXO and Auto-Calibration.

 

 

NR1110-O Four Channel 10 MHz GPSDO with PPS and NMEA

 

NR110 angle

Four channel GPSDO meets the synchronization needs for more complex systems. PPS and NMEA signals come standard.  GPSDO features low noise OCXO and Auto-Calibration.

 

 

 

 NT8700-R-O-G  Ten Channel, ultra low noise, GNSS Locked, Dual time base. Rubidium Frequency Reference

 NT8700 RUB FRONT PANEL copy

 

Dual time base incorporates a completely separate GNSS receiver that is the time base for a frequency counter that continously monitors the reference.

Over 30 hours of gap free counter data that can be downloaded and stored via the Ethernet provides supporting reference detail.

A ten channel reference with the stability of Rubidium and the ultra low phase noise of a OCXO.

 

 

 

 

 GPSDO Kit for the NR3620 GPSDO (Kit available for all GPSDO)

 

 

cal kit

 Novus offers a kit package for all of our GPSDO products. With the kit you get the antenna, cabling and power supply. Everything you need to get your reference up and running.