While you're working in the foreground.

examples: fou rier transformation data massage basic programming Τ,/Tpcalculation plot/print/CRT display spin simulation

.. your FX is working in the background*

examples of acquisition: Τ,/Τ,ρ auto stacking multi-mode pulse programmed kinetic long term

Foreground/Background system

Analytical Instruments, Inc. 235 Birchwood Ave., Cranford, NJ 07016

201-272-8820

C o m p r e h e n s i v e 6 0 a n d 1 0 0 MHz S y s t e m s The FX60Q &FX100 features: • (DQD) DIGITAL Quadrature Detection System • Multi-Frequency TUNEABLE Probe observation • Dual Frequency probes • 4-channel DIGITAL phase shifters (DPS) • Comprehensive auto-stacking system

* • Foreground Background sys t em • Computer based pulse programmer with

Multiple Pulse Sequence Generator • CPU Expandable to 65K words (MOS) • 2-channel 12 bit AD/DA • Tp/spin locking system • Disc s torage sys tems • Multi-Mode HOMO/HETERO decoupling capabilities • Multi-Mode TRIPLE Resonance • Programmable Variable Temperature Unit • Simplex Y/Curvature gradient controller

CIRCLE 105 ON READER SERVICE CARD

ANALYTICAL CHEMISTRY, VOL. 49, NO. 11, SEPTEMBER 1977 · 855 A

J E O L