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Prs10 rubidium atomic oscillator is a high-performance rubidium atomic oscillator product produced by SRS company in the United States. It has the characteristics of low phase noise, low drift and high stability. It can be widely used in telecommunications, time series, radar, measurement standards and other fields. Prs10 is an ultra-low phase noise (- 130dbc)/ Hz@10Hz ）10MHz rubidium atomic oscillation device. The extremely low monthly aging rate (< 5e-11) makes it very suitable for precise frequency measurement as a time-based component. The oscillator has a 1PPS input port, which can be used for phase locking of external reference standards (such as GPS) and has the holding capacity of 72 hours strautm 1 level. The service life of rubidium lamp is expected to be up to 20 years, and the device is equipped with a standard RS-232 computer interface.
Ultra low phase noise (< - 130 DBC / Hz at 10 Hz)
1PPS input for time stamp or phase locking
72 hour strautm 1 level retention
RS232 interface can be used for testing, control and calibration
The service life can reach 20 years
| Specifications | |
| output | |
| output frequency | 10 MHz sine wave |
|
amplitude |
0.5 Vrms, ±10 % |
| Phase noise (SSB) |
<-130 dBc/Hz (10 Hz)
<-140 dBc/Hz (100 Hz) |
| Non harmonic | <-130 dBc (100 kHz BW) |
| harmonic | <-25 dBc |
| Return loss | >25 dB @ 10 MHz |
| Accuracy at time of shipment | ±5 × 10-11 |
| Aging (after 30 days) | <5 × 10-11 (monthly), <5 × 10-10 (yearly) |
|
Short term stability (Allen variance) |
<2 × 10-11 (1 s)
<1 × 10-11 (10 s) <2 × 10-12 (100 s) |
| keep | 72 hour stratum 1 level |
| Frequency backtracking | ±5 × 10-11 (72 hrs. off then 72 hrs. on) |
| Settability | <5 × 10-12 |
| Trim range |
±2 × 10-9 (0 to 5 VDC) ±1 ppm (via RS-232 |
| Warm up time |
< 6 minutes (lock time) < 7 minutes (time 1) × 10-9 |
| Voltage sensitivity | <2 × 10-11 (1 VDC power supply change) |
| electrical | |
| input voltage | 24 VDC (nom.), 22 VDC (min.), 30 VDC (max.) |
| Current |
2.2 A (preheat), 0.6 a (steady state) at 25 ° C (Note 1) |
| protect | ± 30 VDC to any pin (except RF output) |
| RF protection | 100 Ma (stable with any terminals) |
| Calibration reference output | 5.00 ± 0.05 VDC |
| RS-232 | 9600 baud, 8 bits, no parity, 1 stop bit, 0 to 5 V level with x-on / x-off protocol |
| 1 PPS measurement | ± 10 ns (accuracy), ± 1 ns (resolution) |
| 1 PPS output group | ± 10 ns (accuracy), ± 1 ns (resolution) |
| Environmental | |
| working temperature | -20 ° C to 65 ° C base plate |
| temperature stability | ±1 × 10-10 (- 20 ° C to 65 ° C base plate) |
| Storage temperature | -55 °C to 85 °C |
| magnetic field | <2 × 10-10 for 1 Gaussian field inversion |
| relative humidity | 95% (non condensing) |
| multifarious | |
| Design life 2 | 20 years. |
| size | 3.0" × 2.0" × 4.0" (WHL) |
| weight | 1.32 lbs. |
| Base plate thread | 4-40 (4) |
| Connector | With ITT / cannon dam11w1s series |
| Warranty bill |
Two years of parts and labor defects Materials and workmanship |
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