Transmission arrangement for a magnetic resonance apparatus
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United States of America Patent
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Apr 5, 2005
Grant Date -
Feb 17, 2005
app pub date -
Jul 30, 2004
filing date -
Jul 31, 2003
priority date (Note) -
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Abstract
In a transmission arrangement for a magnetic resonance apparatus, a high-frequency input signal, via an input terminal is supplied to a high-frequency power amplifier. The amplifier amplifiers the input signal with from a high-frequency output signal and supplies it to an antenna arrangement that emits it as a magnetic resonance excitation signal. Directional couplers are respectively connected between the input terminal and the amplifier and between the amplifier and the antenna arrangement. The acquired signals are supplied to an amplitude controller that drives an amplitude regulator preceding the high-frequency power amplifier.
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