MD-228
Overview
MD-228 I2C Interface Oven Controlled Crystal Oscillator
The MD-228 is a module that contains a medium size ovenized crystal oscillator and an I2C interface that communicates with an onboard EEPROM; DAC and temperature sensors. The interface enables the customer to improve upon the already good Holdover stability of the oscillator or tune the OCXO by a digital word. Provided in a fully hermetic 22 x 24 mm package mounted on a SMD spreader board. The device is capable of aging rates of 0.1 ppb/day and temperature stabilities of ±3 ppb from -40 to 85°C. Use of the information provided via the I2C interface provides a cost effective method of improving the holdover stability of the system.
Downloads
Features
- Surface Mount package
- Low Profile Compact Package
- Standard frequency: 10, 20MHz
- Temperature stability to 3 ppb
- Aging rate to 0.1 ppb/day
- I2C interface with frequency coeffi cients, temperature sensor for additional correction, digital tuning
Applications
- Base stations
- Test equipment
- Synthesizers
- LTE basetations
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