Spesifikasi Utama
Power Characteristics
| Parameter | Value | Note |
|---|
| Operating Voltage | +12VDC | VCC±5%, Ripple <50mV |
| Start-up Current | ≤330mA | Duration ≤ 60s, +25℃ |
| Steady-state Current | ≤120mA | Duration ≤ 180s, +25℃ |
Output Characteristics
| Parameter | Value | Note |
|---|
| Nominal Frequency | 20.000MHz | - |
| Output Waveform | Sine Wave (sinewave) | - |
| Signal Power | 10±2dBm | Impedance 50Ω, Load ±5% |
Harmonics
| Parameter | Value | Note |
|---|
| ≤-40dBc | Impedance 50Ω, Load ±5% | - |
| Spurious Emissions | ≤-80dBc | - |
| Initial frequency offset | Accuracy | ≤±0.1ppm |
Frequency Stability
| Parameter | Value | Note |
|---|
| Temperature Frequency Stability | ≤±10ppb | -40→+70℃ Ref+25℃ |
Voltage Frequency Stability
| Parameter | Value | Note |
|---|
| ≤±1.0ppb | VCC±5% | - |
Load Frequency Stability
| Parameter | Value | Note |
|---|
| ≤±1.0ppb | Load±5% | - |
Short-term Frequency Stability
| Parameter | Value | Note |
|---|
| <2.0E-12@1s | Allan variance, power-on time > 4h | - |
| Aging Rate | ≤±0.5ppb/day≤±50ppb/year | Power-on time > 48h |
Phase Noise
| Parameter | Value | Note |
|---|
| 1Hz | ≤-95dBc/Hz | Power-on time > 15min |
| 10Hz | ≤-130dBc/Hz | - |
| 100Hz | ≤-145dBc/Hz | - |
| 1KHz | ≤-155dBc/Hz | - |
| ≥10KHz | ≤-160dBc/Hz | - |
Frequency Control Function
| Parameter | Value | Note |
|---|
| Input Voltage Range | 0→5V | Center voltage +2.5V |
(EFC)
| Parameter | Value | Note |
|---|
| Frequency Tuning Range | ≥±0.5ppm | - |
| FM Polarity | Positive Polarity | - |
| Linearity | <10% | - |
| Input Impedance | ≥100KΩ | - |
Environment
| Parameter | Value | Note |
|---|
| Operating Temperature | -40℃→+70℃ | - |
| Storage Temperature | -55℃→+85℃ | - |
Reference Voltage
| Parameter | Value | Note |
|---|
| Output Voltage | / | None |
Fitur
- 20MHz output
- Temperature Frequency Stability: ≤±10ppb
- Second Stability better than 2E-12@1s
- Compact size, low phase noise