Radiofrequency wave transmission circuit using arbitrary...

Details Radiofrequency wave transmission circuit using arbitrary... Radiofrequency wave transmission circuit using arbitrary...

2006-11-07

2006-11-07

Shrivastav, Brij B. (Department: 2859)

Electricity: measuring and testing

Particle precession resonance

Spectrometer components

C324S322000

Reexamination Certificate

active

07132830

ABSTRACT:
An NMR apparatus has a circuit adapted to improve the degree freedom of design and generate an excitation radiofrequency wave pulse suited for a sample to be measured. The radiofrequency wave transmission circuit includes a local oscillator, an IQ modulator having two mixers and two arbitrary waveform generators connected to the IQ modulator. Fourier inverse transform is applied to data inputted to the arbitrary waveform generators.

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“Radio Frequency Signal Processing With A Monolithic Four-Quadrant Multiplier”, Miroslav Kasal and Ivan Hruby, pp. 2810-2815 (1991).

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