VREMYA-CH JS Company
Development and production of precision radio measuring equipment for time storage systems and time and frequency standards: hydrogen frequency and time standards, rubidium reference generators, frequency and phase comparators, redundant generators of reference frequencies and time scales, frequency calibrators and synchronizers for signals from space navigation systems and other equipment in this area. Development, production and maintenance of Clock Network Synchronization (CNSS) equipment for telecommunication systems: primary reference generators, secondary master oscillators, primary reference sources, CNSS control systems.
- +7 (831) 278-31-72
- admin@vremya-ch.com
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Russian Federation
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product
Passive Hydrogen Maser
VCH-1008
The VCH-1008 Passive Hydrogen Maser is a compact hydrogen maser with excellent frequency stability and utilises state-of-the-art technology. Full digital processing of the modulation and servo loop signals makes it ideal for high accuracy applications. An internal GPS/GLONASS option is available and provides automatic output signal frequency calibration.Key applications:- National Time Keeping Service- Space tracking and navigation- Verification of frequency signals - Scientific research
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Network Synchronization Device
VCH-003
The Network Synchronization Device (NCD) VCH-003 is intended for use on the Unified Telecommunication Network of the Russian Federation. Depending on the configuration of the NSS, VCH-003 can be used to generate and multiply synchronization signals of 2048 kHz and 2048 kbps as part of the PEG, as an OIG to restore synchronization signals received from the line at the transit node.
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product
Rubidium Reference Oscillator
LPFRS-01
Rubidium reference generator LPFRS-01 is designed to generate a highly stable reference and clock frequency signal.
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Precision Frequency Comparator
VCH-314
Frequency comparator VCH-314 controlled by Personal Computer is a system for precise phase and freqyency instability measuring. It contains two identical measuring channels (three input signals). Using cross-correlation technique allows to obtain super-low measurement error and to calculate frequency instability of each single signal separately.
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Time Repeater
VCH-402
Time repeater VCH-402 is designed for use in TCP/IP networks as a Time Server of the first level (NTP Stratum1).The time repeater is built on the basis of a single-board microcomputer running under the Linux operating system.
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Pulse Signal Amplifier
VCH-606
The pulse signal amplifier VCH-606 is designed to multiply a single pulse or a sequence of pulses to 16 independent outputs. The impulse signal amplifier includes 16 independent channels with unity gain each for connecting consumers of impulse signals with an input impedance of 50 Ohm.
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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 inputs and 2 outputs. VCH-604 can be controlled from PC via GPIB and RS-232 interfaces or directly from front panel.
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product
Primary Reference Source
VCH-1008C
The primary reference source VCH-1008C is designed to form highly stable signals used in digital communication networks as the first level of the hierarchy. The use of digital technologies for the formation and processing of signals allows you to realize the best stability characteristics.
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High-Frequency Signal Amplifier
VCH-605
High-frequency signal amplifier VCH-605 is designed to amplify and multiply sinusoidal signals with a frequency of 1-100 MHz.
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Rubidium Reference Oscillator
VCH-210
The rubidium reference generator VCH-210 is designed to generate a highly stable reference and clock signal.
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Secondary Master Oscillator
VCH-002
The secondary master oscillator (VZG) is designed to operate in a digital communication network as a synchronization equipment of the second level of the hierarchy. Its task is to track in phase one or more clock signals coming through the network from the synchronization equipment of the highest or equivalent level of the hierarchy.
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product
Hydrogen Frequency & Time Standard
CH1-1033
The hydrogen frequency and time standard Ch1-1033 is designed for precision storage and reproduction of the size of frequency and time units as part of measures and reference complexes. Main areas of application: – public service of time and frequency; – ground control complexes of radio navigation systems; – radio interferometry with extra long base.
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product
Hydrogen Frequency & Time Standard
CH1-1035
Hydrogen frequency and time standard Ch1-1035 is designed for precision storage and reproduction of the size of frequency and time units as part of measures and reference complexes.
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product
Active Type Hydrogen Frequency
CH1-1003M
Hydrogen frequency and time standard Ch1-1003M is designed for precision storage and reproduction of the size of frequency and time units as part of measures and reference complexes. Main applications: – national time and frequency services; – ground stations for tracking and control of satellite radio navigation systems; – radio interferometry with extra long base.
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Hydrogen Frequency & Time Standard
CH1-1007
Hydrogen frequency and time standard Ch1-1007 is designed to generate and reproduce precision, highly stable, spectrally pure frequency and time signals. Main areas of application: – in metrology when transferring the sizes of units of frequency and time, including as part of mobile measuring complexes; – in radio astronomy when conducting scientific research; - in radio navigation when working as part of automated measuring systems and complexes.
