• Chemical & Biomolecular Engineering
• Chemistry
• College of Liberal Arts & Sciences

The specifications from the manufacturer's quote are given below.

750 - UNITY INOVA™ NB NMR SYSTEM

1. UNITY INOVA™ 750 NB High-Resolution NMR Console:
   • Two RF channels with observe, pulse, and decouple functions
   • Each RF channel provides computer-controlled phase shifts:
     90° steps and 0.25° steps and 60-dB computer-controlled linear amplitude modulation in 4096 steps (capability includes waveform generation)
   • 79-dB computer-controlled attenuation in 1 dB steps
   • System amplifiers: 50-W ¹H/¹⁹F linear amplifier, 400-W broadband linear amplifier
   • Broadband preamplifier with active T/R switch
   • 2H fully automatic adaptive lock with Autolock^®, sample and hold
   • High sensitivity, low noise GaAs FET preamplifier for ¹H/¹⁹F
   • Motorola Acquisition computer, 4-Mbyte memory
   • VxWorks™ real time operating system
   • 12.5-ns resolution pulse sequence controller
   • 16-bit ADC, 500-kHz spectral width, 16-Mbyte dual ported memory
   • Digital filters for up to 500 KHz spectral width
   • Automation of lock, shim, phase, gain, sample spin, and eject/insert
   • Remote Status Module and Pulsed Field Gradient compatible upper barrel
   • Complete set of Varian Manuals and Documentation
   • Samples include: 100% Ethylene Glycol, 100% Methanol, 0.1% Ethyl Benzene, 0.1% CHCl₃, Doped D₂O, Methyl Iodide and Nitrogen Benzamide
   • Band Pass Filters Include: ¹H, ²H, ¹³C AND ³¹P
   • 1-Year Warranty; VNMR software Upgrades for 1 Year
2. 17.6 T 51-mm Bore Oxford Superconducting Magnet:
   Includes helium and nitrogen probes with level meters and Antivibration System.
   Requires Magnet Kit Part No. 01-902447-00
3. 750 Magnet Ship Kit
4. 29 Channel Shims and Power Supply for I750
5. RF Attenuator Module, 3 Channel:
   Provides three 79dB rf attenuators, one for each rf channel
6. Phase Modulator:
   Performs WALTZ 16, GARP, XY32, MLEV 16, and other modulation schemes. Provided for each rf channel.
7. RF Attenuator Module, 3 Channel:
   Provides three 79dB rf attenuators, one for each rf channel
8. Phase Modulator:
   Performs WALTZ 16, GARP, XY32, MLEV 16, and other modulation schemes. Provided for each rf channel.
9. Preconditioning VT Unit for 600, 750 Systems:
   Power configuration of 120-V, 60-HX, 6-A
   Temperature control from -40°C to +100°C. High and low temperature alarms, 15 foot delivery line.
10. Broadband Third RF Channel, 750:
    For ¹⁵N to ³¹P observe and decouple. Includes 12-309.5 MHz rf transmitter module, one 400 W, 30-310 MHz broadband linear amplifier module. Additional specifications available upon request.
11. Enhanced Variable Temperature Unit, High-Stability Option, INOVA:
    Computer-controlled. 0.1° temperature control from -150°C to +200°C and 0.1° temperature stability from -4°C to +60°C. Preconditioning of laboratory air supply may be required.
12. Deuterium Decoupling Accessory:
    Combines ²H decoupling and ²H lock signals for deuterium decoupling experiments. Provides decoupler noise isolation and lock preamp protection. H/C/N/D quadruple resonance experiments require a 4 RF channel system.
13. Performa X,Y,Z PFG Module, U+750MHz:
    Includes three-channel X,Y,Z Pulsed Field Gradient Module. Provides 30 gauss/cm when utilized with Varian X,Y,Z PFG probe.
14. Waveform Generator - INOVA (3 ordered):
    60dB amplitude control in 1024 linear steps, 0.5° phase control. 50 nsec timing resolution (100 nsec minimum event time) 64 kwords RAM.
    
    NOTE: Order one waveform Generator per rf channel as required (e.g., if rf channels 1 and 3 require waveform generators, order a total quantity or 2)
15. Universal Ethernet Kit for networked Spectrometers:
    Ethernet kit is compatible with Sun SPARCstations 4, 5, 10, and 20 computers. Includes Sun Ethernet board (Sun Part No. 1053A) and cables