Active Hydrogen Maser (iMaser-3000)

Active Hydrogen Maser (iMaser-3000)

  • T4Science's smart iMaser-3000

iMaser-3000 Overview

T4Science's smart iMaser-3000 clock is a next generation of state-of-the-art, high-performance active hydrogen maser, integrating intelligent functionality in a compact, cost-effective and maintenance-free package.

It utilizes the latest maser technologies, including:

  • Auto cavity SmarTuning&trade
  • Smart iControl™ Ethernet remote control and monitoring with self-diagnostics
  • iDurable™ Teflon and Bulb coating
  • iCeramic™ Silver-Plated Cavity operating with high gain and an extremely low H2 pressure and usage
  • iShield™ packaging complying to strigent CE mark and EMC interferences
  • Active/sleep mode of operations for extended lifetime

The field lifetime of the iMaser is over 30 years, and first and second generations of iMaser clocks deployed since 1982 are still working perfectly today.

 

iMaser-3000 Features & Applications

Key Features

Specifications Standard Options
Output
Number

Input
5 MHz, 100 MHz & 1PPS
2x 100 MHz, 1x 1PPS

n/a 
10 MHz
2-4x 10MHz
2x 1PPS

 
Accuracy @ shipment n/a < 8E-16/C
Temp sensitivity
Operation Temp
Aging
 
< 5E-15/C
20 to 30C
2E-16/day*
*auto cavity SmarTuning option



 
Stability (ADEV)
1s
10s
100s
1 ks
10 ks

1.5E-13
2E-14
5E-15
2E-15
2E-15

6E-14
1.5E-14
4E-15

1.5E-15
1.0E-15
Phase noise

1 Hz
10 Hz
100 Hz
1 kHz
10 kHz
100 kHz
(dBc/Hz)
5 MHz   10 MHz   100 MHz
-118      -112      -92      
-135      -129      -105 
-145      -139      -115
-152      -146      -125 
-155      -149      -145
-155      -149      -145

5 MHz  10 MHz
-132    -124
-144    -136
-153    -147
-157    -151
-159    -153
-160    -153
Holdover n/a  
Warm-up time @ 25C n/a  
Power (operating)
Voltage
100W after warm-up
85-264 VAC, 24V DC battery pack
 
Size (WxHxL) 60x80x91cm | 23.7x31.5x35.9"  
Weight 100 Kg | 220 lbs 
40 Kg | 88 Lbs/battery pack
 
Vibration sensiitivity < 1E-9/g < 5E-10/g
Magnetic sensitivity < 5E-14/G < 1E-14/G
Lifetime > 20 years  

Applications

It is typically used in the following applications:

  • Primary frequency referenc sources
  • VLBI (Very Long Baseline Interferometry) systems
  • Deep space tracking & navigational systems
  • Timekeeping & precision time scales
  • GPS/GNSS satellite control, monitoring & geodetic systems

Resources

Datasheets

More Info
T4Science's smart iMaser-3000 clock is a next generation of state-of-the-art, high-performance active hydrogen maser, integrating intelligent functionality in a compact, cost-effective and maintenance-free package.
pdf - 365 KB
Monday, December 10, 2018

All iMaser-3000 Documents & Files

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