DP 5000 > DAPU Telecom

DAPU Telecom

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Clock Device DP 5000

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댓글 0건 조회 136회 작성일 23-08-08 16:20

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DP 5000



Frequency reference


Temperature: -40℃ ~ +80℃

1. Track GPS/Compass as the frequency reference of internal high stable crystal oscillators, can output PRC level frequency reference;

2. Reference types: 10MHz, 1PPS, E1, 2MHz etc., supporting 2 roads of output;

3. After losing tracking with the satell



1.Overview

DP2000 is a high precision frequency reference, with inside high precise GPS/Compass clock module, using GPS/Compass receivers to lock the crystal oscillators by timing signals, it can achieve the synchronization between DP2000 output frequency and reference sources. After the inside PLL operates normally, DP2000 can automatically learn how to lock phase. Once losing the contact with the reference sources, it can automatically go on PLL with a certain period of time, so during the period of time, DP2000 can still be precise after it is lost to the external reference source.

When the signal of GPS/Compass is normal, DP2000 can track GPS/Compass as the frequency reference of internal high stable crystal oscillators.

DP2000 can input 1 road of GPS/Compass signal; output 2 roads of 10MHz frequency-marker signal, 2 roads of 1PPS time mark signal, 2 roads of 2.048MHz signal (Customer optional), 1 road of COM port for debugging.


2.Instructions for the front and back panel


1) Front panel

The operating state of the system will be shown on the front panel of DP2000. As shown in Figure 1:


1.  Main specifications

1)10MHz square-wave output:

    Output wave: square wave

    Output roads: 2

    Output load: 15PF

    Output electrical level: ≥2.5V

    Rising/falling edge: ≤10ns

    Transmission distance: can cover 10m

    Frequency accuracy: ≤±1E-12 (After one-day good GPS signal lock,    average frequency during 24 hrs)

    Frequency accuracy changes with the temperature (without lock): ±5E-11(-20℃ ~+75℃)

    Frequency stability: ≤5E-12/1s;

    Aging/day: ≤±2E-10/日

    Phase noise: 

                 ≤-115dBc/Hz(10Hz);

                 ≤-130dBc/Hz(100Hz);

                 ≤-138dBc/Hz(1kHz);

                 ≤-142dBc/Hz(10kHz);

                 ≤-145dBc/Hz(100kHz);

                 ≤-145dBc/Hz(1MHz);

   Output connector: BNC


2) 2.048MHz output:

    Output waveform: square wave

    Output roads: 2

    Output load: 15PF

    Output electrical level: ≥2.5V

    Rising/falling edge: ≤15ns

    Transmission distance: 10m

    Connector: BNC


3) 1PPS output:

   Output waveform: impulse

   Output roads: 2

   Pulse width: 100ms (typical)

   Output electrical level: ≥2.5 V

   Pulse width of synchronous source1PPS signal: ≥10μs

   Rising edge: ≤10ns

   Connector: BNC

 

4) Power supply:

    AC: 220(1±10%)V

    50 (1±2%) Hz

    Start up: ≤12.5W (25℃within 15 mins)

    Stable: ≤7W (25℃)


5) Structure and size:

    19 inch × 1U standard cabinet


6) Indoor working environment:

     Humidity: 10% ~ 75%

     Temperature: -20℃ ~ +60℃


7) Device transportation and storage environment:

    Outside impact: ≤9g/s

    Vibration:≤0.1g/(20Hz~100Hz)

    Humidity:≤98%

   Temperature: -40℃ ~ +80℃​

*문의

TEL. 031-479-1828~9

E-Mail: alex_sung@picoinc.co.kr