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
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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Receiver-Synchronizer
VCH-311C
The receiver-synchronizer VCH-311C is intended for use in synchronization networks as a primary reference source of highly stable synchronization signals of the first level of the hierarchy, periodically corrected in frequency according to the exact time signals (time scale) of the NKA KNS GLNASS / GPS
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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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Comparator-Analyzer Phase Digital
VCH-325
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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Hydrogen Frequency & Time Standard
CH1-1006
The hydrogen frequency and time standard Ch1-1006 is designed to generate highly stable, high-frequency, spectrally pure sinusoidal 5, 10, 100 MHz and pulsed 1 Hz signals and for the behavior of time-frequency measurements.
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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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Rubidium Generator
SRO-100
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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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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Time Interval Shaper
CH7-316
The Ch7-316 time interval shaper is designed to generate pulse sequences coherent with the reference signal (internal or external) with a wide range of repetition periods, as well as two pulse sequences with a period of 1 second (time scales) with a programmable phase shift.
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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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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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Network Element Management System
VCH-901
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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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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Multi-Channel Phase Comparator
VCH-315M
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.