10 Channel 10 MHz Frequency Reference with Sine or Square Outputs

NR2310D-O

Low Phase Noise 10 MHz 10 Channel OCXO based Frequency Reference

Ten channel reference offers the stability of a SC cut OCXO stabilized with a band gap reference. Local display and controls allow channel by channel status. RS232 and Ethernet capability enable remote monitoring and control (SNMP). Ten channels meet the needs of most applications without a distribution amplifier. Dual power source options for AC and DC power driven systems.

• Ten transient and fault protected channels.
• Option – operates from AC or DC power sources independently or redundantly.
• Monitor and set alert limits on each output.
• Two-stage amplifier design isolates the source from the amplifier outputs, thereby protecting the source.
• Optional SNMP provides remote monitoring and control
• Also available with 10 MHz square CMOS outputs.

Dual Channel OCXO 10MHz Frequency Reference 

NR2110-O

Low Phase Noise Dual Channel 10 MHz Frequency Reference 50 and 100 MHz Options

The NR2110 is a 10 MHz precision OCXO frequency reference. Excellent aging is achieved through the use of an intrinsically low jitter overtone SC cut crystal placed in a thermostatically controlled oven. Low phase noise is achieved by the inherent characteristics of the crystal and appropriate design techniques. Dual outputs are transient and fault protected. Equipment status is reported thru front panel indicators as well as with the RS232 port.

Dual channel,10 MHz frequency reference.

• OCXO holdover.
• OCXO holdover stability 5 ppb/day – 50 ppb/ year.
• Outputs are transient and fault protected.
• Fault status drives a front panel LED..
• Low phase noise  -150dBc/Hz @ 1 kHz.
• Front panel status indicators for channel faults, oven and unit alert.
• AC/DC power capability.
• Available with either SMA or BNC output connectors

Single Channel 10 MHz Frequency Reference, OCXO Based

NR3700-O

The NR3700 10MHz frequency reference uses a low noise SC cut OCXO as the master timing source. The OCXO is biased with a band-gap reference to provide excellent temperature and and aging stability.  LED indicator provides self-test status. There is also a floating solid state relay that can be tied to an alarm panel self test status.

The NR3700 contains an optional factory programmable counter. The OCXO is typically 10 MHz and is firstly tripled to 30 MHz. The 30 MHz signal drives a 16 bit match counter enabling a the synthesis of a range of frequencies that are integer divides of the 30 MHz The output is available on the SMA as a CMOS signal at 5 Vdc or 3.3 Vdc  CMOS capable of driving a 50 ohm load. An excellent simulated 1PPS source.

The unit also has a LVDS option.

• Low phase noise OCXO
• Hold-Over stability of 5 ppb/day, 50ppb/year
• Operates from DC Power in three ranges +- (10 to 18, 18 to 36, 36 to 65) VDC or an AC Adapter

• Indicators and signals provide self-test status
• Internal 16 bit Match counter drives CMOS and/LVDS

Single Channel 10 MHz Frequency Reference, OCXO Based with Sine and LVDS

NR3702-O

10 MHz Frequency Reference with Three Available Signal Types-Square, Sine, LVDS

The NR3702 reference uses a low noise SC cut OCXO as the master timing source. The OCXO is biased with a band-gap reference to provide excellent temperature and and aging stability.  LED indicator provides self-test status. There is also a floating solid state relay that can be tied to an alarm panel. The unit provides a 10MHz sine, a 1PPS pulse at either 3.3 or 5 Vdc CMOS levels and a LVDS port that can be configured to the 10 MHz Square or PPS output.

• Low phase noise OCXO
• Hold-Over stability of 5 ppb/day, 50ppb/year
• Operates from DC Power in three ranges +- (10 to 18, 18 to 36, 36 to 65) VDC or an AC Adapter

• Indicators and signals provide self-test status
• LVDS port

Single Channel 10 MHz Frequency Reference, TCXO Based

NR3700-T

The NR3700-T reference uses a low noise TCXO as the master timing source. The TCXO is biased with a band-gap reference to provide excellent temperature and and aging stability.  LED indicator provides self-test status. There is also a floating solid state relay that can be tied to an alarm panel self test status.

• Low phase noise TCXO
• Hold-Over stability of +-1 ppm/year
• Operates from DC Power in three ranges +- (10 to 18, 18 to 36, 36 to 65) VDC or an AC Adapter

• Indicators and signals provide self-test status

Six Channel OCXO Based 10 MHz Frequency Reference

NR3626-O

The NR3626 is a high performance 10 MHz frequency reference driven by a low noise SC cut, OCXO. 10 MHz outputs are 13 dBm. Optionally the unit can generate a synthesized PPS. The unit may be locked to an external PPS or 10 MHz reference. The unit may also be used as a six channel clean-up oscillator by locking to a external 10 MHz source that has been degraded. Outputs will be synchronized to the external source but phase noise will be dominated by the internal OCXO.

• Low phase noise OCXO.
• 6 channels 10 MHz channels also available 50 MHz
  
• Low close-in phase noise.
• Hold-over stability of 5 ppb/day, 50ppb/year.
• Operates from DC power in three ranges +- (10 to 18, 18 to 36, 36 to 65) VDC or an AC adapter.
• Indicators and signals provide unit self-test and channel fault status.
• RS232 port provides BITE and channel status.

Wide input power range (-60 to +60 VDC) in three ranges

Three Channel 10 MHz Frequency Reference, OCXO Based

NR3623-O

Three Channel Modular 10 MHz Frequency Reference

The NR3623 reference uses a low noise SC cut OCXO as the master timing source. The OCXO is biased with a band-gap reference to provide excellent temperature and and aging stability.  LED indicators provide channel fault and self-test status. There is also a floating solid state relay that can be tied to an alarm panel self test status.

• Low phase noise OCXO
• Hold-Over stability of 5 ppb/day, 50ppb/year
• Operates from DC Power in three ranges +- (10 to 18, 18 to 36, 36 to 65) VDC or an AC Adapter

• Indicators and signals provide fault self-test status

Wide input power range (-60 to +60 VDC)

picoPOD OCXO Frequency Reference in a Compact Chassis with Synthesized PPS

NR7000-O

OCXO Stability Provides 10 MHz Reference and Simulated PPS

High performance 10 MHz OCXO based frequency reference with synthesized 1PPS and factory programmable secondary channel. OCXO offers +-50 ppb/year stability and low phase noise. PPS has a programmable pulse width.  Operates from a single 5 Vdc  power source and is easily integrated.

• 0.5 Vrms 10 MHz output with harmonics well below -30dBc
• All inputs and outputs are fault and transient protected
• Low phase noise OCXO with an unlocked stability of <5ppb/day
• The base unit operates from 5Vdc.
• Available 10,50,100 MHz

Looking for a locked pico POD- see NR7000-OG

10 MHz Oscillator Featuring Three 10 MHz Sine and Three Synthesized 1PPS with LVDS

NR3606-O

Unique in the industry, the NR3606-O provides three 10 MHz sine outputs and three 1PPS outputs. It also provides a 10 MHz LVDS and 1PPS LVDS output. Ideally suited for applications requiring a stable 10 MHz source and a simulated 1PPS.  PPS available at 3.3 or 5 Vdc CMOS levels capable of driving a 50 Ohm load.   A good choice for general lab use. 

• Holdover stability of 5 ppb/day, 50ppb/year.

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

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

• Available in kit form (Includes reference and power adapter).

Need  GNSS Locking more channels- see the 3 channel NR3606-OG or the 10 channel NR2310D-OG

See demo video on YOUTUBE (NR3620)