Key Features
- After DisciplineFrequency Accuracy<5E-12
- Frequency Stability<5.0E-12 /s
- Holdover Precision<20us@24h
Key Specifications
Power Supply Characteristics
| Parameter | Value | Note |
|---|---|---|
| Operating Voltage | +5VDC | VCC±5%，Ripple<50mV |
Start-up Power Consumption
| Parameter | Value | Note |
|---|---|---|
| ≤4W＠5VDC | Duration<1 min；@+25℃ | |
| Steady-State Power Consumption | ≤1.5W＠5VDC |
1PPS Pulse Input
| Parameter | Value | Note |
|---|---|---|
| Input Level | LVTTL | |
| High Level | 2.7V→3.3V | |
| Low Level | ＜0.4V | |
| Pulse Width | 10us→500ms | |
| Jitter | <100ns | Peak-to-Peak |
| Rising Edge Time | <10ns |
10MHz Clock Output
| Parameter | Value | Note |
|---|---|---|
| Frequency Accuracy | <5E-12 | 1PPS Locked 24h after, 24h Avg Value |
Frequency Stability (Short-Term)
| Parameter | Value | Note |
|---|---|---|
| <5.0E-12 @1s | Power-on 2h after |
Output Waveform
| Parameter | Value | Note |
|---|---|---|
| Sine Wave | Impedance 50Ω | |
| Output Power | 11dBm±2dB |
Phase Noise
| Parameter | Value | Note |
|---|---|---|
| 1Hz | ≤-95dBc/Hz | Power-on 2h after |
| 10Hz | ≤-130dBc/Hz | |
| 100Hz | ≤-145dBc/Hz | |
| 1KHz | ≤-150dBc/Hz | |
| ≥10KHz | ≤-155dBc/Hz |
Output Frequency Fine Tuning
| Parameter | Value | Note |
|---|---|---|
| Resolution | 10uHz | See Serial PortCommunication Protocol |
| Range | 10MHz±5Hz | |
| Disciplining Control | Discipline on by default, controllable via serial port |
1PPS Pulse Output
| Parameter | Value | Note |
|---|---|---|
| Pulse Width | 100ms | |
| Output Level | LVTTL | |
| High Level | 3.3V | |
| Low Level | <0.4V | |
| Rising Edge Time | <5ns |
Timekeeping Accuracy
| Parameter | Value | Note |
|---|---|---|
| <20us | 1PPS Locked 24h after, Holdover 24h | |
| Timing Accuracy | <30ns | Peak-to-Peak |
Phase Setting (Optional)
| Parameter | Value | Note |
|---|---|---|
| Resolution 12.5ns | viaSerial PortCommandAdjustment 1PPS Phase Delay, Adj. Range-500ms~+500ms。（See serial comm protocol) | |
| Pulse Width Setting (Optional) | Resolution 12.5ns | viaSerial PortCommandAdjustment 1PPS Pulse Width, Adj. Range 500us~500ms。（See serial comm protocol) |
Lock Indicator
| Parameter | Value | Note |
|---|---|---|
| Output Level in Locked State | 3.3V | |
| Output Level in Unlocked State | <0.4V |
Serial Communication
| Parameter | Value | Note |
|---|---|---|
| Level | LVTTL | Rx，Tx |
| High Level | 2.7~3.3V | Rx，Tx |
| Low Level | <0.4V | |
| Baud Rate | 115200-8-N-1 |
Ambient Temperature
| Parameter | Value | Note |
|---|---|---|
| Operating Temperature | 0→+50℃ | |
| Storage Temperature | -50→+85℃ |