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”
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”
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-1006 Passive Hydrogen Maser is a small size hydrogen maser with the best frequency stability. Extremely high frequency stability is provided by state-of-the-art technology.… ► “Passive Hydrogen Maser VCH-1006”
Frequency comparator VCH-315 is intended for precise phase and frequency instability measurements. It contains eight identical measuring channels and performs high precision phase and frequency comparison.… ► “Multichannel Frequency Comparator VCH-315”
Phase comparator-analyzer VCH-323 is intended for precise frequency instability and phase noise measurements (Allan deviation, L(f)). … ► “Phase Comparator-Analyzer VCH-323”
High-Frequency Switch VCH-604 is designed for switching high-frequency (1−100 MHz) and pulse TTL signals. VCH-604 contains two groups of channels; each group has 25 (or 2 optional) inputs and 2 outputs. VCH-604 can be controlled from PC via GPIB and … ► “High-Frequency Switch VCH-604”
Frequency distribution amplifier is designed for ultra-low-noise distribution of sinusoidal signals 1–100 MHz with unity gain. It allows checking for signals availability via RS-232 interface.… ► “Frequency Distribution Amplifier VCH-605”
