Power amplifier and nuclear magnetic resonance tomography appara

Details Power amplifier and nuclear magnetic resonance tomography appara Power amplifier and nuclear magnetic resonance tomography appara

1998-08-04

2000-02-29

Pascal, Robert

Amplifiers

Modulator-demodulator-type amplifier

324322, H03F 338

Patent

active

060314222

ABSTRACT:
A power amplifier has a supply assembly for offering an intermediate circuit voltage and an output stage connected to the supply assembly for generating an output voltage from the intermediate circuit voltage. The supply assembly contains at least two voltage sources that can be optionally connected in parallel or in series via at least one switch stage. A nuclear magnetic resonance tomography apparatus can be equipped with such a power amplifier. The power amplifier exhibits the required high performance capability in quantitative and qualitative terms, with low losses.

REFERENCES:
patent: 4742311 (1988-05-01), Van der Zwart
patent: 4788452 (1988-11-01), Stanley
patent: 5063349 (1991-11-01), Roemer et al.
patent: 5146400 (1992-09-01), Von Der Broeck
patent: 5245287 (1993-09-01), Nowak et al.
patent: 5270657 (1993-12-01), Wirth et al.
patent: 5451878 (1995-09-01), Wirth et al.
patent: 5513094 (1996-04-01), Stanley
patent: 5515002 (1996-05-01), Ideler

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