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Frequency Reference Device─DP2000

DP2000 is a high precision frequency reference, with inside high precise clock module, using clock algorithm to synchronize the oscillator to GNSS receiver’s clock output.

  • GNSS integrated
  • Frequency Reference
  • Two10MHz, two 1PPS, two 2.048MHz and two Optional outputs(8kHz ~ 346MHz)
  • COM(RS-232) debug interface
  • Holdover:
    • Frequency Accuracy: ≤ ±2E-11
    • Timing Accuracy≤ ±1.5us@24H /1PPS
  • Locked Frequency Accuracy: ≤ ±1E-12
  • Size: 19 inch / 1U standard cabinet

Benefits

  • PRC/PRTC compliance
  • Excellent holdover performance
  • Simple, easy manageability
  • Cost effective

 
Applications

  • Wireless Telecom
  • Wireline Telecom
  • Power Grid
  • Industrial Control

 
Specifications
1）10MHz Output

  • Square Wave, level ≥2.5V
  • Load: 15pF
  • Rise/Fall Time: ≤10ns
  • Temperature Stability: ≤±5E-11(-20℃～75℃)
  • Locked Frequency Accuracy: ≤±1E-12 (RMS@24hours after locked GPS 1 day)
  • Short-term Stability: ≤±5E-12@1s
  • Holdover:  Frequency accuracy≤ ±2E-11
  • Transmission Distance: ≤10Meters
  • Phase Noise:
≤ -115dBc/Hz(10Hz)；
≤ -130dBc/Hz(100Hz)；
≤ -138dBc/Hz(1kHz)；
≤ -142dBc/Hz(10kHz)；
≤ -145dBc/Hz(100kHz)；
≤ -145dBc/Hz(1MHz)；

 
2）1PPS Output

  • Square Wave, level ≥2.5V
  • Load: 15pF
  • Rise/Fall Time: ≤10ns
  • Pulse Width: 100ms(Typical)
  • Holdover:     Frequency accuracy≤ ±2E-11
        Phase accuracy ≤ ±1.5us @24H
  • Transmission Distance: ≤10Meters

3）2.048MHz Output

  • Square Wave, level ≥2.5V
  • Load: 15pF
  • Rise/Fall Time: ≤15ns
  • Holdover: Frequency accuracy≤ ±2E-11
  • Transmission Distance: ≤10Meters

 
4）Optional Output

  • Square Wave, level ≥2.5V
  • Frequency: 8KHz~346MHz, customized before delivery, not configured in field.
  • Load: 15pF
  • Rise/Fall Time: ≤15ns
  • Transmission Distance: ≤10Meters

5）Power

  • Supply: 220VAC/50Hz
  • Power consumption: 7W typical@25℃

6）Mechanical

  • Dimensions:    19 inch@ 1U standard cabinet
438 mm (height) x 220 mm (width) x 44 mm (depth)
  • Weight: 2.8kg

7）Environmental Specifications

  • Operating temperature: -20℃ to +60℃
  • Storage temperature:-50℃to +85℃
  • Humidity:10% to 75%

8）Front-Panel



LED Indicators

  • 1. RUN: After power on for 5s, the device is in normal operating if the light blinks for 1 time/1s.
  • 2. LOCK: The module has locked the GPS if the light turns on after the power on for 15 mins.
  • 3. ALM: The device is in the failure if the light turns on
  • 4. CHARGE: Reserved

9）Rear-Panel


  • 1. ANTENNA: GNSS Signal Input @TNC
  • 2. 10M: 10MHz Output @BNC
  • 3. 10M: 10MHz Output @BNC
  • 4. 1PPS: 1PPS Output @BNC
  • 5. 1PPS: 1PPS Output @BNC
  • 6. 2.048M: 2.048M Output @BNC
  • 7. 2.048M: 2.048M Output @BNC
  • 8. Optional Output: 8kHz ~ 346MHz@BNC
  • 9. Optional Output: 8kHz ~ 346MHz@BNC
  • 10. COM: Debug Interface@DB9-F
  • 11. AC IN: AC power input
  • 12.  GND