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
Climate Chamber
VCH-A18
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The climatic chamber is designed to maintain a stable temperature of frequency and time standards and other high-precision electronic devices.
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Product
High-Frequency Signal Amplifier
VCH-605
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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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Product
Trunk Amplifier
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The trunk amplifier is designed to compensate for attenuation and additional amplification of signals from GPS and GLONASS satellite radio navigation systems as part of synchronization and common time equipment.
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Product
Redundant Reference Frequency Shaper
CH7-317
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Redundant reference frequency shaper Ch7-317 is designed to generate and reproduce frequency and time signals protected from frequency and phase failures based on the results of signal processing from a group of frequency and time keepers.
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Product
FOCL Reference Signal Modem
VCH-607
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FOCL reference signal modem VCH-607 is designed to receive and transmit electrical signals with a nominal frequency of 100 MHz through a fiber-optic system and generate electrical signals with a nominal frequency of 5 and 10 MHz, coherent with the input signal. Reception and transmission through the FOCL is provided using a pair of modems: one is configured as a Transmitter and is installed at the end of the FOCL where the signal source is located, the second is configured as a Receiver and is installed at the opposite end of the FOCL.
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Product
Network Element Management System
VCH-901
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The control system (CS) VCH-901 is designed to control and monitor network elements (NE) that act as sources of clock signals on a digital communication network. These SCs include primary reference oscillators (PEG) VCH-001, secondary master oscillators (VZG) VCH-002 (Time-H), SSU55400А (HP), SSU2000E (Simetricom), SSU5548В and SSU5548С (Oscilloquartz), local master oscillator ( MZG) M100 (LONIIS), synchronization signal distribution equipment ARSS (ALTO).
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Product
Comparator-Analyzer Phase Digital
VCH-325
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Comparator-analyzer phase digital VCH-325, designed for precision measurements of the relative frequency difference, frequency instability and phase noise spectrum of highly stable signal sources in the frequency range from 1 to 100 MHz. The software is installed on an external computer (computer not included).
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Product
Rubidium Generator
SRO-100
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Rubidium generators SRO-100 are designed to generate and output to the consumer highly stable, high-frequency, spectrally pure sinusoidal signals with a frequency of 5 or 10 or 15 MHz.
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Product
Network Synchronization Device
VCH-003
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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
Multi-Channel Phase Comparator
VCH-315M
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Multi-channel phase comparator VCH-315M, together with a computer and special software, is designed for simultaneous measurement of frequency instability characteristics (RMS, RMS) of a group of sinusoidal signals of standard frequencies 5; ten; 100 MHz.
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Product
Rubidium Reference Oscillator
VCH-210
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The rubidium reference generator VCH-210 is designed to generate a highly stable reference and clock signal.
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Product
Passive Hydrogen Maser
VCH-1008
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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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Product
Frequency Calibrator
VCH-313
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The frequency calibrator VCH-313 is designed to determine the frequency error and calibrate frequency standards of various types based on the signals of the NSC SNS GLONASS/GPS .
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Product
Precision Frequency Comparator
VCH-314
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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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Product
High-Frequency Switch
VCH-604
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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.
