Frequency Electronics, Inc. FEI-Zyfer, Inc.
GPS Time and Frequency Systems
 
   

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888-886-7465
 



System Features:

OCXO:
   
Extended Holdover
    Performance

Low Phase Noise
    Optional Configuration
    
Output Ports:
    
1 10MHz Port
     1 1 PPS Port

 Flash Memory

 User Interface:
     
Standard RS-232
     
Power Options:
    
12 VDC and 15 VDC

 
 

NanoSync II® Model 380

 
 

The NanoSync II® is an OEM Time and Frequency module designed specifically for the OEM who requires a high performance Time and Frequency system in a small and economical package.

With a design emphasis on synchronizing remote locations, the NanoSync II is ideal for CDMA, TDMA, GSM, TDOA, WiMAX, WLL and other telecom and geo-location application technologies.

The FEI-Zyfer NanoSync II has a long history of reliable operation. In case of temporary loss of GPS signals exceptional holdover performance assures continuous system operation. This is achieved through an algorithm that compensates for external temperature changes and aging of the internal OCXO. Status monitoring and control of the NanoSync II is provided via the RS-232 port.

The NanoSync II is also ideal for test equipment and instruments, specialized network synchronization equipment, satellite ground station equipment, Digital Terrestrial Radio and TV, or any application requiring precision time and frequency signals. Optional board-level form factor is available.

 
   
   
     
 

Accessories

 
 
Antennas and Accessories
 
     
   Output Specifications  
     
 
 10 MHz Output:  Sine wave
 Connector:  (1) SMA Female
 Amplitude:  13 ± 2 dBm into 50 Ω
 Harmonics:  -70 dBc
 Spurious Level:  < -80 dBc, 2 MHz to 2 GHz;  < -70 dBc, < 2Mhz
 
     
   Frequency Accuracy:  
 
 Locked to GPS:   1E-12 (24 hour average)
 Holdover: Δ f/f  (a)  
 3E-10:  8 hours ± 10°C
 4.5E-10:  8 hours over full temperature range
 
     
   Short Term Stability (Allan Deviation):  
 
 1 Second:  1E-11
 10 Seconds:  2E-11
 100 Seconds:  2E-11
 
     
  Phase Noise (dBc/Hz):  Standard OCXO:  Optional LPN OCXO (d):  
 
 1 Hz:   -90   -90
 10 Hz:   -120   -120
 100 Hz:   -130   -140
 1 kHz:   -140   -145
 
     
  1 PPS Output:  
 
 Connector:  (1) SMA Female
 Drive Level:  TTL into 50 Ω
 Pulse Width:  User selectable 10µs, 20µs, 1-999ms
 Synchronization:  Rising edge on-time
 Option:  1 pulse every even second (1 PP2S)
 
     
  Time Accuracy to UTC:  
 
 Locked to GPS:  25ns, RMS, 50ns peak (typical)
 Holdover: Δ t/t  (a)  
 3µs:  8 hours at constant temperature
 13µs:  8 hours over full temperature range
 
     
   Control Port  
     
 
 Signal Levels:  RS-232C
 Connector:  9 pin D-subminiature
 Baud Rate:  19200 Fixed
 Protocol:  1 Start Bit, 8 Data Bits, 1 Stop Bit, No Parity
 
     
   GPS Receiver  
     
 
 Standard GPS Receiver - Civil C/A-Code:
 Type:  8 channel L1
 Frequency:  1575.42MHz (L1)
 Antenna Connector:  SMB female
 
     
   Input Power  
     
 
 Available with DC power:
 Model 380-510-01:  15 VDC ± 10% (b)
 Model 380-510-02:  12 VDC ± 5%  regulated (c)
 Power Consumption:  
 Warm-Up:  12.5W maximum
 Steady State:  5W maximum @25° C
 Input/Output Isolation:  None, input return connected to chassis/signal ground
 
     
   Chassis Physical Dimensions  
 
 Height:  32 mm (1.25")
 Width:  109 mm (4.3")
 Depth:  88 mm (3.45")
 Weight:  .33 kg (.70 lbs.) maximum.
 Contact Factory regarding dimensions/mounting details for the unenclosed model.
 
     
   Environmental  
     
 
 Operating Temperature:  -5° C to 55° C (without case: -5° C to 60° C)
 Storage  Temperature:  -40° C to +85° C
 Temperature Rate of Change:  10° C/Hour maximum
 Relative Humidity:  5% to 95%, non-condensing
 Altitude, Operating:  -60m to 4000m
 Altitude, Storage:  -60m to 9000m
 
     
   Notes:  
     
 
(a) After 72 hours of locked operation with fixed antenna location, correct position, antenna delay entered.
(b) No external regulation required.
(c) 0.1V external regulation required.
(d) Only with 15 VDC version.
 
     
     
     
     


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