Phase comparator-analyzer VCH-325 is intended for precise frequency instability and phase noise measurements (Allan deviation, L(f)). … ► “Phase Comparator-Analyzer VCH-325”
Phase Comparator-Analyzer VCH-325
Author: VchAdmin
Active Hydrogen Maser with Single-State Selection System
Vremya-CH JSC has developed a new model VCH-2021 – active hydrogen maser with single-state selection system having frequency stability at one day better than 2·10 -16 ! Three instruments are under long-term tests now. VCH-2021 is being prepared for … ► “Active Hydrogen Maser with Single-State Selection System”
High-Frequency Switch VCH-604
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 VCH-605
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”
Pulse Distribution Unit VCH-606
Pulse distribution unit is designed for distribution of high quality TTL pulse signals. The unit has 16 independent outputs for 50 Ohm loads. RS-232 interface allows selecting of trigger level and monitoring status information.… ► “Pulse Distribution Unit VCH-606”
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The Vremya-CH general manager A.A. Beliaev became the winner of the Russian Federation Government Awards
The Vremya-CH general manager A.A. Beliaev became the winner of the Russian Federation Government Awards in Science and Engineering.… ► “The Vremya-CH general manager A.A. Beliaev became the winner of the Russian Federation Government Awards”
The signing of the order from general manager A.A. Beliaev to start production of 80 systems of active hydrogen frequency standards
The signing of the order from general manager A.A. Beliaev to start production of 80 systems of active hydrogen frequency standards for the execution of contracts for supply to domestic and foreign markets in 2020.… ► “The signing of the order from general manager A.A. Beliaev to start production of 80 systems of active hydrogen frequency standards”
