North Seeker Series
Timing Frequency Series
BDS Receiver Series
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Timing Frequency Series
SDI-330M
SDI-330M is a high-precision, miniaturized timing module designed for system integration applications, it can output high-precision time and frequency signals. The equipment consists of a host, a timing antenna and a set of supporting cables. The main equipment consists of Beidou /GPS dual-mode timing receiver, high stability and low phase noise crystal oscillator, core processing board and power module.
Features
- Miniaturization/ Portable/ Easy to integrate
- High stability& High accuracy
- High punctual accuracy
Application
- Shortwave and ultra-shortwave control station time frequency reference
- Reference time, reference frequency source equipment
- Portable device reference source
Physical and electrical
| Voltage | 12VDC |
| Power | ≤50W |
| Dimensions | 105mm×70mm×190mm |
| Weight | ≤2kg |
| Warranty | One year |
Performance
| Channel | BDS:B1I,B2I,B3I GPS:L1C/A,L1C,L1P,L2C,L2P,L5 GLONASS:G1,G2 GALILEO:E1,E5a,E5b QZSS:L1C/A,L1C,L2C,L5 |
| Position Accuracy | 2m (1σ) |
| IRIG-B (DC) | ≤20ns (1σ) |
| 1PPS | Accuracy: ≤20ns (1σ, BDS locked) Holdover: ≤0.8μs (1σ, BDS Lost locked 24 hrs ) |
| Harmonics | ≤-50dBc |
| Spurious | ≤-100dBc |
| Phase noise(SSB) | ≤-125dBc/Hz @10Hz ≤-140dBc/Hz @100Hz ≤-150dBc/Hz @1kHz ≤-155dBc/Hz @10kHz |
| Short-term stability | 5E-12/24hrs (after 24hrs) ≤5E-12/10s |
| Frequency accuracy | ＜5E-12 (after 24hrs) |
| Output Frequency | 10MHz , Sine |
| Amplitude | ≥+5dBm (Load 50Ω) |
| Communication Port | RS-422 |
Environmental
| Operating | -20℃ ~ 60℃ |
| Storage | -55℃～70℃ |
| Humidity | 95%(40℃ Non-Condensation) |
| Vibration | GJB 150.16A-2009 |
| Shock | GJB 150.18A-2009 |