20.5x20.5x11.0mm
Bomar Crystal is able to offer a full line of ultra low tolerance thru hole Oven Controlled Crystal Oscillators. OCXOs are used for applications where frequency tolerance and stability are critical like radar systems, synthesizers, test & measurement instrumentation, GPS tracking and cellular base stations. Frequency stability to ±5ppb with low phase noise is available.
Features
| Output Wave Form | HCMOS or Sine Wave | |
| Frequency Range | 2.000 MHz - 100.000 MHz | |
| Standard Frequencies (partial list) | 10.000, 12.800, 13.000, 26.000, 38.880, 100.000 MHz | |
| Type of Crystal Cut | AT-cut or SC-cut | |
| Supply Voltage | 3.3 Vdc, 5.0 Vdc or 12.0V | |
| Power Consumption | 3.6W max. - warm up 1.2W max. - steady state | |
| Initial Frequency Accuracy (at +25oC) | ±0.2ppm with EFC set at center of control voltage | |
| Frequency Stability | vs Operating Temperature Range (referenced to +25oC.) | ±50ppb(AT) or ±5ppb(SC) over 0oC. to +50oC. ±100ppb(AT) or ±10ppb(SC) over -20oC. to +70oC. ±100ppb(AT) or ±30ppb(SC) over -40oC. to +75oC. Custom spec. on request |
| vs Aging / 1 day | ±2ppb max.(AT) or ±1ppb max.(SC) | |
| vs Aging / first year | ±300ppb max.(AT) or ±100ppb max.(SC) | |
| vs Aging / 10 years | ±2.0ppm max.(AT) or ±0.5ppm max.(SC) | |
| vs 5% Supply Voltage Change | ±20ppb max. | |
| vs 5% Load Change | ±10ppb max. | |
| Electronic Frequency Control Pin 4 |
Tuning Range | ±3ppm min.(AT) or ±0.7ppm min.(SC) |
| Control Voltage Range | 3.3V(0-3.3V), 5.0V & 12.0V(0-5.0V) | |
| Linearity | ±10% | |
| Transfer Function | Positive | |
| Warm up time (at +25oC.) | ±200ppb, 3 min. max.(AT) or ±100ppb, 3 min. max.(SC) | |
| CMOS Square Wave | VOH:Logic High "1" | 90% Vdd min. |
| VOL:Logic Low "0" | 10% Vdd max. | |
| Duty Cycle | 45% to 55% | |
| Rise Time and Fall Time | 6nS max. | |
| Load | 15 pF, 50pF max. | |
| Sine Wave | Output | 5dBm min. |
| Load | 50 ohms | |
| Phase Noise | ||
| 10Hz | -120dBc/Hz | |
| 100Hz | -140dBc/Hz | |
| 1kHz | -145dBc/Hz | |
| 10kHz | -150dBc/Hz | |
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