VREMYA-CH JS Company
"VREMYA-CH" main kinds of activity are the development and production of the high performance radio measurement equipment for time keeping and precision frequency comparison: hydrogen maser frequency and time standards; rubidium oscillators; frequency and phase comparators; primary reference oscillators for telecommunication networks; special software for time keeping and measurement control and monitoring systems.
- +7(831)421-02-94
- admin@vremya-ch.com
- 67, Osharskaya Str.,
Nizhny Novgorod,
Russian Federation
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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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product
Climate Chamber
VCH-A18
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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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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Fiber Optic Modem
VCH-608
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
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
Frequency Calibrator
VCH-313
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
GPS/GLONASS Disciplined Rb Oscillator
VCH-311
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
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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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
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
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
CH1-1007
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.
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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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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.
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product
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).
