Circuit arrangement for generating rf signals for MR examination

Electricity: measuring and testing – Particle precession resonance – Spectrometer components

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G01R 3320

Patent

active

050049836

ABSTRACT:
The invention relates to a circuit arrangement for generating rf signals for MR examinations, comprising a read-only memory in which a signal is stored in the form of a series of data words, an address generator for reading data words from the read-only memory with a clock frequency, and a digital-to-analog converter which succeeds the read-only memory. In order to reduce the required storage capacity, a sinusoidal signal in the form of a series of data words is stored in the memory.

REFERENCES:
patent: 4054785 (1977-10-01), Lehmann
patent: 4613814 (1986-09-01), Penney

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