Products
VCH-325/VCH-325A
VCH-325 Phase comparator-analyzer is intended for phase and frequency instability and power spectral density measurements of precise signals in the frequency range from 1 MHz up to 100MHz.
The VCH-325 Phase comparator-analyzer has two identical measuring channels (three inputs) and uses correlation processing providing extremely low measurement error and the frequency stability calculation of each input signals.
The Phase comparator-analyzer VCH-325A has the additional built-in quartz oscillators with frequencies of 4.8MHz and 5.3MHz, designed for use as reference signal sources for accurate Phase Noise measurements.
VCH-315M
Multichannel frequency comparator VCH-315M is intended for precise phase and frequency instability measurements. It contains 8 identical measuring channels and performs synchronous high precision phase and frequency comparison of 5, 10 and 100 MHz signals, which allows using cross-correlation methods for instability estimation. Each channel includes two inputs for measured signals (“fx” and “fy”). Device control, collecting and display of measurement results are carried out by computer (not included) using RS-232, USB or LAN interfaces.
VCH-315
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. Device control, collecting and display of measurement results are carried out by computer (not included) using RS-232 or USB interfaces.
VCH-314
Frequency comparator VCH-314 is intended for precise phase and frequency measurements of three signals from frequency and time standards. Comparator contains two identical measuring channels and perform synchronic measurements of input signals phase difference. Using a correlation computing of measuring data, comparator precisely calculates frequency and phase difference between input signals and frequency instability for each signal separately.
VCH-313
Frequency calibrator VCH-313 is intended for calibration and verification of different frequency signal sources, using precision time scale signal, transmitted by satellite navigation systems GPS/GLONASS. The instrument can provide periodical frequency correction of the calibrating frequency standard in automatic mode.
VCH-2021
VCH-2021 is the first successful realization of hydrogen maser with a single state selection system. It demonstrates absolutely record frequency stability for active H-masers. Best technologies including internal stand-alone Cavity Auto Tuning system are inherited from the previous model VCH-1003M.
Option: optical output with wavelengths 1310 nm and 1550 nm.
VCH-1003M Option LT
The VCH-1003M Option LT is a high-performance hydrogen maser with low phase noise output signals. Extremely high frequency stability is provided by state-of-the-art technology and internal stand-alone Cavity Auto Tuning system.
Full data monitoring and functions control (local or remotely through any network) are performed by personal computer (not included in delivery set). Application software running under Microsoft Windows is supplied.
VCH-1003M
Active Hydrogen Maser is a source of high stable low noise sine signals as standard frequencies and one pulse per second (1 PPS) timing signals. It can operate both as standalone instrument and as a reference of time and frequency measurement systems.
Full data monitoring and functions control (local or remotely through any network) are performed by personal computer (not included in delivery set). Application software running under Microsoft Windows is supplied.
VCH-1008M
VCH-1008M Passive Hydrogen Maser is a compact hydrogen maser with excellent frequency stability and utilizes 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 an option that can provides automatic output signal frequency calibration. The device is remotely control via RS-232C, USB or LAN interfaces.
VCH-1008
Passive Hydrogen Maser Frequency and Time Standard VCH-1008 is designed to be used as the high-stable signal source for time frequency measurements and for the application in measurement systems and telecommunications. The device can be used as an integral part in automated measurement systems.
An internal GPS/GLONASS option is an option that can provides automatic output signal frequency calibration. The device is remotely control via RS-232C, USB or LAN interfaces.
VCH-1008C
VCH-1008C Primary Reference Source on the base of Passive Hydrogen Maser is intended to be used as the first class SDH synchronization equipment of digital telecommunication networks. Full digital processing of modulation and servo loop signals is realized. Extremely high frequency stability is provided by state-of-the-art technology.
An internal GPS/GLONASS option is an option that can provides automatic output signal frequency calibration. The device is remotely control via RS-232C, USB or LAN interfaces.
The Key application:
Digital SDH networks clock synchronization.
VCH-317
Microstepper Combiner Synthesizer VCH-317, 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. Digital control of output frequency performed by built-in processor provides such advantages as programming frequency and phase shifts of output signal with high resolution.
Key Applications: –
+ time and frequency redundant systems;
+ frequency and time keeping etalons.
VCH-604
High-Frequency Switch VCH-604 is designed for switching high-frequency (1 – 100 MHz) and 1 PPS TTL signals. VCH-604 contains two groups of channels; each group has 25 inputs and 2 outputs. One of the inputs is directly connected with one of the outputs of the group. Numbers of active inputs and outputs are indicated on the front panel. Input/output line resistance is no more than 1.5 Ohm.
VCH-604 can be controlled from PC via GPIB and RS-232 interfaces or directly from front panel.
Key Applications: –
+ time and frequency high precision measurement systems;
+ time and frequency etalon systems.
VCH-605
Frequency distribution amplifier VCH-605 is designed for ultra-low-noise distribution of sinusoidal signals 1 MHz – 100 MHz. The device has 3 independent channels with 1 input and 4 outputs each.
VCH-605 can be used as an integrated solution in automated measurement systems. Port signal status can be checked via RS-232 interface.
Key Applications; –
+ time and frequency high precision measurement system;
+ time and frequency etalon systems.
VCH-606
Pulse distribution Amplifier VCH-606 is designed for distribution of high quality TTL pulse signals. The unit has 16 independent outputs for 50 Ohm loads. RS-232 interface allows selecting of trigger level and monitoring status information.
Key Applications: –
+ time and frequency automatic measurement systems;
+ time and frequency etalon systems.
VCH-608
Fiber-optic modem VCH-608 is designed for receiving and transmitting signals of atomic clocks through a fiber optic communication line (FOCL). The signals are:− 1 PPS with delay compensation;− sine 100 MHz with phase instability compensation.
Also, the VCH-608 generates sine signals with nominal frequencies of 5 and 10 MHz – coherent to the input signal. Reception/transmission of high precision signals via the FOCL is provided using a pair of modems: one is configured as a Transmitter and installed at the end of the FOCL whereas the signal source is located, the second – as a Receiver and installed at the remote end of the FOCL.
Key Applications: –
+ Metrology;
+ Time and frequency high precision measurement systems;
+ Radio astronomy and the like (antennae feed);
+ Reference signal sources in production testing.
F.A.Q.
Yes, all our products carry a 3 years or as otherwise specified for parts and labour warranty. Such services can be provided on-site, remotely or by exchange. Note that our products need to operate within the environmental requirements as specified or the warranty will be voided.
MotioNets warrants that all the products shipped shall be free from defects in workmanship and materials. If any of the products should fail to operate correctly in normal use during the warranty period, we will replace or repair it free of charge. No liability can be accepted for damage due to misuse. MotioNets will not be responsible for any loss, damage or injury arising directly or indirectly from the use of the products. MotioNets’s total liability under the terms of this warranty shall in all circumstances be limited to the replacement value of the product. ANY MODIFICATION TO THE PRODUCT(S), AS ORIGINALLY SHIPPED WILL VOID THIS WARRANTY.
Products under warranty will be repaired or replaced and returned to the customer at no charge.