Product overview
PRS10 rubidium atomic oscillator is a high performance rubidium atomic oscillator product produced by SRS, USA. It is an ultra low phase noise (-130dBc/Hz@10Hz) 10MHz rubidium oscillator.The extremely low monthly aging rate (< 5 * 10-11) makes it suitable for use as a time base component for precise frequency measurement.
Product function
1) 10MHz Sinusoidal output;
2) 1PPS Output;
3) 1PPS Input synchronization function;
4) Standard RS-232 computer interface;
5) Maintain function.
Product characteristics
A) Low phase noise, low drift and high stability.
B) The service life of rubidium lamp is expected to reach 20 years.
C) Ultra low phase noise (<-130 dBc/Hz at 10 Hz);
D) 1PPS Input is used for time marking or phase locking.
E) Seventy-two Hourly Strautm 1 Level retention capacity;
F) It can be tested, controlled and calibrated by RS232C port.
Typical application
1) Telecommunications, testing, surveying and other fields.
2) Time series, radar, metrology standards and other fields.
Technical index
RF output | frequency | 10MHz |
level | sinusoidal signal | |
Range | 7dBm | |
load | 50 Omega | |
Physical interface | SMA | |
Routes | 1 way | |
1PPS output | Rising edge | < 5ns |
pulse width | 20 mu s | |
level | > 4.5V | |
load | 15pF | |
Shake | < 1ns (RMS) | |
Physical interface | DB-9 | |
Routes | 1 way | |
Synchronization accuracy | + 10ns | |
1PPS input | Interface | Rising edge is effective. |
Input impedance | 1M Omega | |
Routes | 1 way | |
serial communication | Interface protocol | RS232 |
Interface form | 5V | |
Tx/Rx impedance | 1M Omega | |
baud rate | Nine thousand and six hundred | |
Power input | Power waste | < 55W |
input voltage | 24V (22 ~ 30VDC) | |
Electric current | 2.2A (preheating) 0.6A (after stabilization) | |
Physical size | size | 10.16x7.62 x 127px |
Electrical characteristics | working temperature | -20 centigrade to + sixty five degrees centigrade. |
Frequency change (full working temperature range) | + 1E-10 | |
Frequency variation (full voltage range) | < 2E-11 (change 1VDC) | |
Storage temperature | -55 C ~ + 5% C | |
performance parameter | Short steady | Less than 2E-11/1s Less than 1E-11/10s Less than 2E-12/100s |
Phase noise | Less than -130dBc/Hz (10Hz) Less than -140dBc/Hz (100Hz) Less than -150dBc/Hz (1KHz) | |
harmonic | < -25dBc | |
stray | < -130dBc (100kHz bandwidth) | |
Accuracy (factory settings) | + 5E-11 | |
Reproducibility | + 5E-11 (72 hours) | |
Aging rate | < 5E-11/ months, < 1E-9/10 | |
Digital regulation frequency | Range | + 2E-9 |
Minimum step | 1.0E-12 | |
Analog regulation | Range | + 2E-9 |
input voltage | 0 ~ 5V | |
Preheating time | locking | < 6 minutes (25 C) |
1E-9 | < 7 minutes (25 C) |
Installation dimensions: