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10 Channel PPS Source - Atomic Holdover Option NR2310-P/G
NR2310-PG ID-27

10 Channel PPS Source

NR2310-P/G

Ten transient and fault protected PPS outputs with < 2 ns of channel skewing. Each channel is monitored and status displayed on the front panel. Built-in self-test drives a signal that can be tied into an alarm panel.  Atomic holdover option holds PPS drift to less than 1 usec/hour ideal for GPS unstable environments.10 MHz frequency reference output available to stabilize local oscillators.

● Ten fault and transient protected outputs.

● Ten channels frequently eliminate the need for a distribution amplifier.

● Channel skewing < 2 ns.

● Drives 3.3 Vdc LVCMOS or 5 Vdc into 50 Ohms

● PPS accuracy < 1 Sigma 15 ns

● Optional 10 MHz low noise GPS locked output.

● Available as an atomic PPS source for GPS denied environments.

Data Sheet: NR2310D-PPS 07022020.pdf
Chassis: Rack Mount
Channels: 3 channel
Frequency: 10 MHz
Four Channel PPS source NR3623-PPS
NR3623-PPS ID-28

Four Channel GNSS, NMEA, PPS Source

NR3623-PPS 

Four transient and fault protected PPS outputs with < 1 ns of channel skewing. Each channel is monitored and status displayed on the front panel. Built-in self-test drives a signal that can be tied into an alarm panel. High performance GNSS receiver offers 26 channels for rapid acquisition. Programmable pulse width and cable compensation,

  • Four fault and transient protected outputs.
  • Operates from an AC power adapter or from a DC source from  -60 to +60 Vdc (in three ranges).
  • Channel skewing < 1 ns ( Skewing is typically less than 200 ps on the three BNC channels)
  • Drives 3.3 Vdc or 5 Vdc LVCMOS into 50 Ohms on the three BNC channels, 5 Vdc CMOS into 1000 Ohms on SMA Channel.
  • PPS accuracy < 30 ns  rms.
  • RS232 NMEA data.

Need more channels- see the 10 channel distribution amplifier ND2310D-PPS

 

 

 

 

 

 

Data Sheet: NR3623-PPS 07072020.pdf
Chassis: Modular
Channels: 3 channel
NMEA/PPS Source- with Selectable Timing Sources GNSS, Serial Data or OCXO Holdover
NP3001 ID-63

NMEA-PPS Master Timing Source with Prioritize Timing Source

NP3001

The NP3001 accepts timing information from either an embedded GNSS receiver or an external NMEA/PPS source. Each source can be prioritized. Once synchronized the unit will produce NMEA and PPS from the selected source. If all sources fail, the unit becomes a simulator based upon its internal OCXO. Battery backup allows the unit to be synchronized and then used to bring timing information into a GNSS denied environment. Front panel display provides equipment status and facilitates the equipment configuration. The 26 Channel GNSS receiver quickly acquires and can be programmed to produce a PPS pulse once an accuracy level has been achieved or to produce a PPS from a TCXO source continuously. NMEA data streams can be programmed to content and baud rates. The unit may also be powered from a DC source or a Novus power adapter.

  • GNSS lock indicator and built in self test
  • PPS accuracy 15 ns @ 1 sigma.
  • 26 Channel GNSS receiver
  • PPS pulse programmable in 1 ms increments.
  • Cable delay compensation
  • Operates from DC Power in three ranges +- (10 to 18, 18 to 36, 36 to 65) VDC or an AC Adapter
  • Accepts timing from the GNSS receiver or an external NMEA/PPS source

 

 

 

Data Sheet: NP3001 A NMEA Simulator 05162020.pdf
Chassis: Modular
Channels: 1 channel
Frequency: 10 MHz
NMEA/PPS Source-USB or DC Powered-NP6700
NP6700-G-PPS ID-62

NMEA-PPS Source

NP6700-G-PPS

The NP6700-PPS is a low cost means to have a source of PPS and NMEA data if a 10 MHz reference is not required. The 26 Channel GNSS receiver quickly acquires and can be programmed to produce a PPS pulse once an accuracy level has been achieved or to produce a PPS from a TCXO source continuously. NMEA data streams can be programmed to content and baud rates. Unit has a USB connector that can be used to power the unit. The unit may also be powered from a DC source or a Novus power adapter.

  • GNSS lock indicator and built in self test
  • PPS accuracy 15 ns @ 1 sigma.
  • 26 Channel GNSS receiver
  • PPS pulse programmable in 1 ms increments.
  • Cable delay compensation
  • Operates from DC Power in three ranges +- (10 to 18, 18 to 36, 36 to 65) VDC or an AC Adapter
  • Available in Kit Form

 

 

 

Data Sheet: NP6700 05152020.pdf
Chassis: Modular
PPS Source-NR3700-G-PPS
NR3700-G-PPS ID-49

Source for PPS and NMEA- 26 Channel GNSS Receiver

NR3700-G-PPS

The NR3700-PPS is a low cost means to have a source of PPS and NMEA data if a 10 MHz reference is not required. The 26 Channel GNSS receiver quickly acquires and can be programmed to produce a PPS pulse once an accuracy level has been achieved or to produce a PPS from a TCXO source continuously. NMEA data streams can be programmed to content and baud rates.

  • GNSS lock indicator and built in self test
  • PPS accuracy 15 ns @ 1 sigma.
  • 26 Channel GNSS receiver
  • PPS pulse programmable in 1 usec increments.
  • Cable delay compensation
  • Operates from DC Power in three ranges +- (10 to 18, 18 to 36, 36 to 65) VDC or an AC Adapter
  • Available in Kit Form (Includes reference, antenna, 50′ cable, and power adapter)

 

 

 

Data Sheet: NR3700-PPS 051220.pdf
Chassis: Modular
PPS and NMEA Source- NR3620-LT
NR3620-LT ID 68

PPS and NMEA Source in a Modular Chassis

NR3620-LT

The NR3620-LT is a source of NMEA and PPS when a 10 MHz reference is not required.  A good choice for general lab use, Simulcast and test systems. 

• GNSS lock indicator and built in self test.

• Operates from DC Power in three ranges +- (10 to 18, 18 to 36, 36 to 65) Vdc or an AC adapter.

• PPS Accuracy 20 ns rms.

• Indicators and signals provide GPS lock and unit self-test status.

• Available in kit form (Includes reference, antenna, 50′ cable, and power adapter).

 

Data Sheet: NR3620-LT C 07072020.pdf
Chassis: Modular
Three Channel GNSS Locked 10 MHz Reference with NTP-IRIG-NR2103D-ROG-T1-Clock
NR2103D-ROG ID 83

Three Channel GNSS Locked OCXO 10 MHz Frequency Reference with IRIG-NTP/Dual-Time Base Option

NR2103D-R/O/G

A three channel GNSS Locked reference that offers a range of timing solutions: NTP, IRIG, NMEA, PPS and 10 MHz. The reference can also be configured with Rubidium for long holdover times. Local and remote control via SNMP.  The unit features auto-calibration so that the most recent coefficients to compensate the OCXO for drift due to aging and/or temperature are stored and applied to the OCXO during GPS loss-of-lock conditions. High performance 26 channel GNSS receiver that supports GPS, GLONASS, SBAS, QZSS. By being able to receive data from multiple satellite constellations, lower lock time is achieved. Front panel display and Ethernet port allows remote status reporting. Dual time base option adds a completely independent GNSS receiver and gapless counter to monitor the 10 MHz reference- warns of a reference out of tolerance condition.

  • OCXO or Rubidium holdover.
  • OCXO stability 5 ppb/day – 50 ppb/ year- Rubidium < 1ppb/year
  • Auto-Calibration continually preserves OCXO GNSS derived compensation coefficients.
  • Outputs are transient and fault protected.
  • Fault status drives a front panel LED..
  • Low phase noise  -145dBc/Hz @ 1 kHz.
  • Locked accuracy <1E-11.
  • Front panel status indicators for channel faults, antenna fault or open, oven and unit alert.
  • Front panel LCD status display.
  • Dual-time base option continually monitors the primary reference.
  • Ethernet connectivity.
  • AC/DC power capability.
  • Optional NTP, IRIG time server.
  • 1.544 MHz T1-clock locked to GNSS
Data Sheet: NR2103D-OG 091520 DS.pdf
Chassis: Rack Mount
Channels: 3 channel
Frequency: 10 MHz
Four Channel PPS source NR3623-PPS
Four Channel GNSS, NMEA, PPS Source NR3623-PPS  ... Read More
NR3623-PPS ID-28
NP6700-G-PPS ID-62
PPS Source-NR3700-G-PPS
Source for PPS and NMEA- 26 Channel GNSS Receiver NR3700... Read More
NR3700-G-PPS ID-49
PPS and NMEA Source- NR3620-LT
PPS and NMEA Source in a Modular Chassis NR36... Read More
NR3620-LT ID 68
Three Channel GNSS Locked 10 MHz Reference with NTP-IRIG-NR2103D-ROG-T1-Clock
Three Channel GNSS Locked OCXO 10 MHz Frequency Reference with IRIG-NTP/Dual-Time Base Option NR2103D-R/O/G A t... Read More
NR2103D-ROG ID 83

 

Kits are available that include antenna, cables and power supply. Several features can be customized at the factory – frequencies other than 10 MHz either from a unique crystal or with a built-in synthesizer that is GNSS-locked. Time stamping capability to 100ns resolution. To meet unique requirements, we have shipped product with output features requiring a custom amplitude, square wave output, high voltage and high current drive.