VCH-1010 is an on-board hydrogen frequency standard designed to provide a highly stable reference signal for the space telescope of the Space–Ground Radio Interferometer during radio astronomy research. … ► “Active On-Board Hydrogen Maser for Radioastron Space Mission VCH-1010”
The VCH-103 is a high-performance hydrogen maser with low phase noise output signals. Extremely high frequency stability is provided by state-of-the-art technology and internal stand-alone Cavity Auto Tuning system.… ► “Active Hydrogen Maser VCH-103”
Primary reference clock (PRC) is intented for use as the redundant first class SDH synchronization equipment of digital networks telecommunication. PRC VCH-001 meets all requirements of ITU-T G.811.
VCH-001 is based on a Passive Hydrogen Maser having relative frequency accuracy …
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“Primary Reference Clock VCH-001”
High-Frequency Switch VCH-610 is designed for switching high-frequency (1−100 MHz) and pulse TTL signals. VCH-610 contains two groups of channels; each group has 25 (or 2 optional) inputs and 2 outputs.… ► “High-Frequency Switch VCH-610”
The VCH-1005 is a high-performance hydrogen maser with a built-in frequency comparator. Extremely high frequency stability is provided by state-of-the-art technology.… ► “Active Hydrogen Frequency Standard VCH-1005”
Secondary master oscillator model VCH-002 is intended for use as slave node clock in SDH networks.… ► “Secondary Master Oscillator VCH-002”
GPS/GLONASS disciplined rubidium frequency standard model VCH-311 contains multi-channel GPS/GLONASS receiver, time scale comparison unit and automatically adjustable Rubidium reference oscillator.… ► “GPS/GLONASS Disciplined Rb Oscillator VCH-311”
VCH-2021 is the first successful realization of hydrogen maser with a single state selection system. It demonstrates absolutely record frequency stability for active H-masers. … ► “Active Hydrogen Maser VCH-2021”
The VCH-1003A is a high-performance hydrogen maser with built-in frequency comparator. Extremely frequency stability is provided by state-of-the-art technology.… ► “Active Hydrogen Frequency Standard VCH-1003A”
VCH-1008C Primary Reference Source on the base of Passive Hydrogen Maser is intended to be used as the first class SDH synchronization equipment of digital telecommunication networks.… ► “Primary reference source VCH-1008C”
