Microstepper Combiner Synthesizer produces an uninterrupted in frequency and phase signal on the base of group atomic clocks. Operational principle of Combiner is based on frequency control of local crystal oscillator using multichannel phase comparator and digital processor.… ► “Microstepper Combiner Synthesizer VCH-317”
Frequency comparator VCH-315 is intended for precise phase and frequency instability measurements. It contains eight identical measuring channels and performs high precision phase and frequency comparison.… ► “Multichannel Frequency Comparator VCH-315”
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.… ► “Passive Hydrogen Maser VCH-1008”
Microstepper Combiner Synthesizer produces uninterrupted in frequency and phase signals on the base of group atomic clocks. Operational principle of Combiner is based on frequency control of local crystal oscillator using multichannel phase comparator and digital processor.… ► “Microstepper Combiner Synthesizer VCH-317M”
The VCH-607 fiber-optic modem of reference signals is designed for receiving and transmitting electrical signals with nominal frequency 100 MHz through a fiber-optic system and generating electrical signals with nominal frequencies 5 and 10 MHz, coherent with the input signal.… ► “Fiber Optic Frequency Transfer Modem VCH-607”
Multichannel Frequency Comparator VCH-315M Multichannel frequency comparator VCH-315M is intended for precise phase and frequency instability measurements. … ► “Multichannel Frequency Comparator VCH-315M”
Fiber-optic modem VCH-608 is designed for receiving and transmitting signals of atomic clocks through a fiber optic communication line (FOCL).… ► “Fiber Optic Modem VCH-608”
Phase comparator-analyzer VCH-323 is intended for precise frequency instability and phase noise measurements (Allan deviation, L(f)). … ► “Phase Comparator-Analyzer VCH-323”
Phase comparator-analyzer VCH-325 is intended for precise frequency instability and phase noise measurements (Allan deviation, L(f)). … ► “Phase Comparator-Analyzer VCH-325”
Vremya-CH JSC has developed a new model VCH-2021 – active hydrogen maser with single-state selection system having frequency stability at one day better than 2·10 -16 ! Three instruments are under long-term tests now. VCH-2021 is being prepared for … ► “Active Hydrogen Maser with Single-State Selection System”
