iSource+® Rb oscillators

LPFRS

Low Profile Frequency Rb Standard (LPFRS)

The LPFRS is a low-cost, low-profile and high-performance rubidium oscillator source. It is compatible to the FEI 5650 Rb model and comes in a low-profile package and 2 outputs. It features low phase noise performance.

The LPFRS is RoHS compliant through the NIE exemption of the RoHS Directive 2011/65/EU, Article 4.6/Annex III-7(b), allowing exemptions of Pb free soldering for specific applications such as telecom, including servers, storage array systems, network infrastructure equipment for switching, signalling, transmission, and network management for telecommunications.

RELATED PRODUCTS: See our product brochure to quickly compare other product features and performance. 

Key Features* 

*See or download the full Spec in the Documents page. 

Specifications Standard Options
Output
Input
10 MHz
n/a
5 or 20 MHz

Accuracy @ shipment typ. < 5x11 at 25C
Tempco
Temp
Aging

< =+1E-10
-5 to 55C
< 5E-11/mth


-30 to 70C
< 3E-11/mth
< 2E-10/yr
Stability (ADEV)
1s
10s
100s

2E-11
7E-12
2E-12

1E-11

3E-12
1E-12
Phase noise @ 10 MHz
1 Hz
10 Hz
100 Hz
1 kHz
10 kHz
(dBc/Hz)
-70
-80
-115
-135
-140
(dBc/Hz)
-80
-100
-130
-140
-150
Holdover n/a
Warm-up time @ 25C 15 min, 5E-10 7 min to lock
Power (operating)
Voltage
Warm-up
< 7-13W
24V
< 20-40W

12 or 28V

Size (WxHxL) 76x77x36.5mm | 3x3.03x1.44"
Weight 290 g | 0.64 lbs
Vibration Sensistivity n/a



      Applications

      It is typically used in the following applications:

      • Mobile & wired telecom infrastructures
      • Broadcasting systems
      • Military communications, surveillance, tracking & guidance systems
      • High precision instruments
      • Time & frequency systems
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