Bomar Crystal is able to offer a full line of ultra low tolerance Oven Controlled Crystal Oscillators, OCXOs for applications where frequency tolerance and stability are critical like Satellite Radios, Sonet Clocks, Synthesizers, Instrumentation and GSM Base Stations. Available in thru hole and surface mount designs and meet the stringent testing for RoHS compliance. Frequency stability to ±10ppb with low phase noise.
Features
Output Wave Form | CMOS or Sine Wave | |
Frequency Range | 500kHz - 200.000 MHz | |
Standard Frequencies (partial list) | 8.192, 10.000, 15.360, 16.000, 16.384, 19.440, 20.000 MHz | |
Type of Crystal Cut | AT-cut | |
Supply Voltage | +3.3 Vdc +5.0 Vdc +12.0 Vdc |
|
Initial Frequency Accuracy (at +25oC) | ±2ppm at time of shipment. With EFC at +2.5V ±0.5V | |
Frequency Stability | vs Operating Temperature Range (referenced to +25oC) | ±10ppb over 0oC to +50oC ±50ppb over -20oC to +70oC ±50ppb over -30oC to +75oC ±50ppb over -40oC to +85oC. Custom spec. on request |
vs Aging / 1 day | 2ppb max. after 72 hours of operation | |
vs Aging / first year | ±300ppb max. after 72 hours of operation | |
vs Aging / year (2nd year and on) | ±300ppb max. | |
vs 5% Supply Voltage Change | ±10ppb max. | |
vs 5% Load Change | ±10 ppb max. | |
Electronic Frequency Tuning (EC) | Tuning Range | ±3 ppm min. |
Control Voltage Range | 3.3 (0-3.3V), 5.0V, 12V(0-5.0V) | |
Linearity | ±10% | |
Transfer Function | Positive | |
Warm up time (at +25oC) | 3 minutes max. (to ±100ppb of the nominal frequency) | |
HCMOS Square Wave | VOH:Logic High "1" | 4.5 VDC min. for Vcc=+12V or +5.0V, 15pF load |
VOL:Logic Low "0" | 0.5 VDC max. for Vcc=+12V or +5.0V, 15pF load | |
Duty Cycle | 45% to 55% | |
Rise Time and Fall Time | 6nS max. | |
Load | 15 pF, 50pF max. | |
Sine Wave | Output | 7 dBm min. |
Load | 50 ohms |
Contact Us