NMR tuning procedure

Details NMR tuning procedure NMR tuning procedure

1984-09-12

1986-06-03

Tokar, Michael J.

Electricity: measuring and testing

Particle precession resonance

Using a nuclear resonance spectrometer system

324 58B, 324318, G01R 3320

Patent

active

045932468

ABSTRACT:
The RF probe of a quadrature sensitive FT-NMR spectrometer is tuned and matched to its electrical environment by utilizing the phase quadrature sensitivity of said spectrometer to function as an impedance vector analyzer for the probe in situ. Phase and amplitude measurements of the in situ probe are compared to an occasionally measured and stored amplitude and phase characteristic observed when the probe is replaced by a 50 ohm terminator.

REFERENCES:
patent: 3445763 (1969-05-01), Harris, Jr.
patent: 3792345 (1974-02-01), Hawkins
patent: 3904959 (1975-09-01), Britton
patent: 4196475 (1980-04-01), Hall
patent: 4300092 (1981-11-01), Strenglein

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