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
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
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
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
Time Repeater
VCH-402
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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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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
Secondary Master Oscillator
VCH-002
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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
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
GPS/GLONASS Disciplined Rb Oscillator
VCH-311
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GPS/GLONASS disciplined rubidium frequency standard model VCH-311 is a high stable frequency signal source (STANDARD mode), or precision frequency calibrator for any external standard signals (CALIBRATOR mode). The instrument contains multi-channel GPS/GLONASS receiver, time scale comparison unit and automatically adjustable Rubidium reference oscillator.
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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
Pulse Signal Amplifier
VCH-606
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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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Product
Fiber Optic Modem
VCH-608
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The VCH-608 fiber optic modem is designed to receive and transmit via a fiber optic communication line (FOCL) signals of frequency and time standards (TSV) :- pulse signals 1 Hz (1 PPS) with delay compensation,- harmonic electrical signals with a nominal value frequency 100 MHz with phase instability compensation.
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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 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
Hydrogen Frequency & Time Standard
CH1-1033
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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
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.
