Passive Hydrogen Maser

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Description

PHM is an atomic clock used for precise positioning, timekeeping and other onboard applications. Designed to operate in space for more than 12 years, it offers an outstanding stability for averaging times from 1 to 100,000 seconds. The company is also developing a mini PHM, which offers the same frequency stability as the PHM in a smaller package.

The PHM clock consists of two modules, named Electronic Package and Physics Package respectively. Its operating principle is based on the stimulated microwave emission at the frequency of 1420.4 MHz, generated by the decay of the hydrogen atoms inside the microwave cavity of the Physics Package.

 

Datasheet

Leonardo – Passive Hydrogen Maser

Overview
NamePassive Hydrogen Maser
ManufacturerLeonardo
SubsystemCDH
ClassificationAtomic Clock
Form FactorSmallSat
TRL9
HeritageYes
Vendor Overview
Vendor NameLeonardo
Vendor Websitehttps://www.leonardocompany.com/en/home
Vendor LocationsArgentina, Australia, Bahrain, Brazil, Canada, Chile, China, Germany, Italy, Japan, Kenya, Korea, Kuwait, Malaysia, Poland, Qatar, Romania, Russian Federation, Saudi Arabia, Singapore, Spain, Turkey, United Arab Emirates, United Kingdom, United States
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SPECIFICATIONS
SubsystemCDH
ClassificationAtomic Clock
Form FactorSmallSat
VendorLeonardo
HeritageYes
Mass18.2 kg
Nominal Power65.0 W

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