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Stanford FS725

Benchtop Rubidium Frequency Standard

Model

FS725

Product Family

Calibration

Manufacturer

Stanford

Configured models contain the following attributes:

CalibrationFrequency Standards

Configurations

Key Specs

Product Overview

Resources

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Product Overview

The FS725 integrates a rubidium oscillator (SRS model PRS10), a low-noise AC power supply, and distribution amplifiers in a compact, half-width 2U chassis. It provides stable and reliable performance with an estimated 20 year aging of less than 5 × 10–9, and a demonstrated rubidium oscillator MTBF of over 200,000 hours.

The FS725 is an ideal instrument for calibration and R&D laboratories, or any application requiring a precision frequency standard.

Key Features

10 MHz and 5 MHz outputs

1 pps input and output for GPS synchronization

20 year aging less than 0.005 ppm

Ultra-low phase noise (<−130 dBc/Hz at 10Hz)

Built-in distribution amplifiers (up to 22 outputs)

RS-232 computer interface

Two status alarm relays

Specifications
FS725 Benchtop rubidium frequency standard
Model Overview
Model	Description
FS725	Benchtop Rb frequency standard
Options
Option 01	Distribution amplifier (6 outputs)
Option 02	Distribution amplifier (12 outputs)
Option 03	Distribution amplifier (18 outputs)
Accessories
O725RMD	Double rack mount kit
O725RMS	Single rack mount kit

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