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STL-RS High Stability Rubidium Atomic Excitation Source
STL-RS High Stability Rubidium Atomic Excitation Source
  The STL-RS series high stability rubidium atomic excitation source is mainly used in rubidium atomic clocks and cold atom technology research. The signal source supports frequency output from 6400MHz to 6900MHz, with a frequency step of ≤ 1uHz. It can support internal automatic frequency scanning and external pulse triggered frequency scanning functions, and the frequency scanning step supports 1uHz~100MHz. At the same time, this device has the characteristics of high stability and low phase noise, making it an ideal choice for scientific research users.
Product features

Supports frequency output from 6400MHz to 6900MHz

Frequency step ≤ 1uHz

Scan frequency step supports 1uHz~100MHz

Support internal automatic frequency scanning

Support external pulse triggered sweep frequency

Product Features

Specification name

Indicator parameters

Remark

Power supply

Supply voltage

12V DC


Power consumption

≤ 30W

Steady-state Power consumption is about 14W

Clock Input

Input Frequency

100MHz


Input Power

5 ~ 10dBm


Harmonic

-30 dBc


Spurious

-55 dBc


Clock output

Output Frequency

6400MHz ~ 6900MHz


Frequency step

≤ 1uHz


Output Power

-15 ~ 10dBm


Power stepping

0.1dB


Power stability

±0.2dB


Harmonic

-35 dBc


Spurious

-55 dBc


Sweep mode

External trigger /auto trigger

The excitation source has an internal Frequency sweep function, which can be configured through the communication port. When sweeping, the phase is continuous, the minimum dwell time is 5us, the dwell time step is 8ns, and the minimum Frequency step is 1uHz. It supports internal automatic Frequency sweep or external trigger Frequency sweep; at the start of the Frequency sweep, a synchronization pulse is output.

Sweep parameter mode

PC settings via serial port

Sweep timing

Fixed, see detailed description

Sweep Frequency bands

1 ~ 127

Sweep timing dwell minimum time

5us

Sweep timing dwell maximum time

4s

Sweep Frequency step

1uHz ~ 100MHz

Sweep Frequency switching cycle

8ns, automatically calculated based on the Frequency sweep step parameters

Phase Noise

1Hz

-50 dBc/Hz


10Hz

-70 dBc/Hz


100Hz

-90 dBc/Hz


1kHz

-105 dBc/Hz


Frequency stability

1s

2E-13

Allen variance, output signal divided by 5125 test

10s

5E-14

Environment

Operating temperature

-20 ºC ~ +50 ºC


Storage temperature

-55 ºC ~ +85 ºC


RF Interface

SMA-K

Control interface

DB9



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