North Seeker Series
Timing Frequency Series
BDS Receiver Series
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Timing Frequency Series
SDI-335
SDI-335 is a set of Beidou/GPS antenna measurement equipment developed by Chengdu Seven-dimensional Frequency Control Technology Co., Ltd., which outputs high-precision time signals.
The equipment consists of a host, a timing antenna and a set of matching cables. The main machine of the equipment is composed of Beidou/GPS dual-mode timing receiver, high stability and low phase noise crystal oscillator, core processing board, power module, etc.
Features
- Miniaturization
- Plug-in type
- Easy to integrate
- Cost-effective/COTS/Short cycle
Application
- Portable device time reference source
- Temporary reference source (time and location) for on-board extension equipment
Physical and electrical
| Voltage | 12~20VDC |
| Ripple | ＜100mV |
| Power | ≤3W |
| Dimensions | 234mm×60mm×35mm |
| Weight | ≤0.6kg |
| Warranty | One year |
Performance
| Channel | BDS: B1/B2; GPS: L1/L2 |
| Position Accuracy | 2m (1σ) |
| IRIG-B (DC) | 1 RS-422 ≤50ns (Locked for 24 h) ≤25μs（Lost locked for 24 h） |
| 1PPS | 1 RS-422 ≤50ns (Locked for 24 hours) Transition time: ≤15ns |
| Communication Port | RS-422 |
| Updata Rate | 1Hz |
Environmental
| Operating | -20℃ ~ 60℃ |
| Storage | -40℃～70℃ |
| Humidity | 95%(40℃ Non-Condensation) |
| Vibration | GJB 150.16A-2009 |
| Shock | GJB 150.18A-2009 |