Low Noise CSAC (LN-CSAC)
Low Noise Chip Scale Atomic Clock
Overview
Pairing the lowest power atomic clock (CSAC) with the spectral purity of an OCXO has enabled an exceptionally stable oscillator.
The Microsemi LN-CSAC acts as a frequency and timing subsystem, while requiring limited size, weight, and power. It accepts a 1PPS input that may be used to synchronize the unit's 1PPS output to an external reference clock within ±100 ns accuracy or discipline its phase and frequency to within 1 ns and 1.0 × 10–12, respectively.
LN-CSAC Key Features
- < 295mW power consumption
- < 46cm3 volume
- < 4 minutes time to lock
- < 3x10-11 @1s Short Term Stability (Allan Deviation)
- < 9x10-10 /mo Aging Rate (Typical)
- -10oC to +70oC Operating Temperature
- 10MHz, 1PPS outputs
- 1PPS input for synchronization
- RS-232 interface for monitoring and control
- Phase Noise—sine wave
≤–85 dBc/Hz at 1 Hz
≤–120 dBc/Hz at 10 Hz
≤–140 dBc/Hz at 100 Hz
≤–145 dBc/Hz at 1 kHz
≤–150 dBc/Hz at 10 kHz
≤–155 dBc/Hz at ≥100 kHz
LN-CSAC Developer's Kit (990-00565-000)
- HW platform to evaluate LN-CSAC
- On board socket for LN-CSAC
- HW included to allow mounting of evaluation board
- Wall socket power supply
- RS-232 cable to connect PC to evaluation board
Resources
Datasheets
User Guides
White Papers
Software
The Microsemi "CSACdemo" software (Part # 084-00365-000) provides a convenient graphical user interface for monitoring and controlling the LN-CSAC. "CSACdemo" also is used for collecting and archiving monitor data from the LN-CSAC. It can be installed and run on any PC running Microsoft Windows XP or Windows 7 and having at least one available RS232 (COM) port. Note: Multiple LN-CSACs can be monitored from a single PC, provided additional COM ports are available.Parametric Search
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