Spectratime LPFRS Rubidium Oscillator

Spectratime LPFRS Rubidium Oscillator

The LPFRS is a low-cost, low-profile and high-performance rubidium oscillator source. Get a Quote

LPFRS Oscillator Overview

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.


  • Mobile & wired telecom infrastructures
  • Broadcasting systems
  • Military communications, surveillance, tracking & guidance systems
  • High precision instruments
  • Time & frequency systems
Key Features:
  • Size (WxHxL) 76x77x36.5mm | 3x3.03x1.44"
  • Weight 290 g | 0.64 lbs
  • Power (operating) < 7-13W
  • Voltage 24V
  • Accuracy @ shipment typ. < 5x11 at 25C
  • Output 10 MHz 5,15 or 20

Support and Documentation

iSource+ Low Cost LPFRS Manual
pdf (656KB)
iSource+ Low Cost LPFRS Spec
pdf (536KB)
iSource+ Low Cost LPFRS Performance
pdf (498KB)

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