Ascend superconducting magnet system:
- Designed with active protection technology to allow computers or other sensitive devices to operate near magnetic magnets, reduce Magnetic field deviation, 5G limit line calculated from the magnet center: vertically <0, 6 m, horizontal <1.2 m.
- Magnetic field works 11.74 Tesla (1H NMR resonance frequency is 500MHz).
- There is cryoshim function in function z, z2, z3, x, y, xz, yz, xy, x2-y2, load and rotate the model with compressed air.
- Drift <5 Hz / hr, liquid helium evaporation maximum 12.8 ml / hr, helium holding time of at least 150 days
- Liquid helium ink meter and alarm function when He level liquid low.
- Magnet base has vibration protection to reduce noise
SHIM system and lock (LOCK):
BSMS / 2 smart magnet control system
Us Shim BOSS II
- Orthogonal structure, operating room temperature
- Design with 34 gradients to compensate and optimize creating uniform magnetic fields
- Shim control panel (SCB) with super high stability, low noise shim source, small current consumption and low heat output.
Lock control circuit board via Ethernet network (ELCB)
- For lock control and data transfer, automatic lock and shim control by computer and high interaction. Provides high flexibility for customizing shim, magnetic field offset, sample lifting, rotation speed and many other parameters.
+ Create digital lock frequency, variable frequency for operation at fixed magnetic fields can be selected
+ Digitally angled key collection receiver
+ Quick field correction with hold-and-sampling circuit
Level control circuit board and sample (SLCB)
- Give samples, raise samples up / down and measure helium ink.
BSMS keyboard:
- There are shake buttons for manual adjustment, shims, pattern rotation, sample lift and many other parameters in automatic and manual operation modes
Extension module for BSMS 2HTX includes:
- 20W linear amplifier to solve the pair of Studs
- 2H lock switch for 2H pair solving experiments and shimming gradient 2H
- Real-time control of shim at room temperature to shimming gradient 3 axes
Wide band pulse and frequency generation system for 2 channels
- Create chain pulse for 2 channels
- Signal generator (SGU) for channel 1, frequency range from 6 - 640 MHz
- Signal generator (SGU) for channel 2, frequency range from 6 - 640 MHz
- Synthesis of digitized frequencies by 2 corresponding signal generators (SGU)
- Digitizing phase (DDS), exact amplitude and frequency
+ Phase resolution <0.010.
+ Resolution frequency <0.005 Hz.
+ Time interval for changing phase, frequency, amplitude: 25 ns
- Cover the entire NMR frequency range in a defined magnetic field above 6 MHz
- 8 MB gun memory to create pulse shape for frequency, amplitude and phase
- Allows to create 2 independent frequencies with separate phases and amplitudes within the bandwidth of 2.5 MHZ with each SGU (channel)
Controller for digitized receiver for NMR (DRU)
- Obtain data with real-time and over-digital filter (oversampling) with large bandwidth up to 5 MHz
- Maximum dynamic range: 22-bit
- Fast RISC processor with caching ensures real-time data management
High-performance digitizer (RXAD)
- For high-quality data collection and very flexible at optimal digitization kinetic range to> 22 bits at 6 kHz spectrum width, and with bandwidth up to 5 MHz at> 16 bits.
Digitized quadrature receiver
- To completely eliminate the quadruple vertices (quad-spikes), artefact at the center of the spectrum
LAN NMR network is based on fast Ethernet link
- Directly connect the host computer and the main parts of the universal system