Radio-frequency receiver unit for a magnetic resonance apparatus

Details Radio-frequency receiver unit for a magnetic resonance apparatus Radio-frequency receiver unit for a magnetic resonance apparatus

1998-06-23

2000-12-12

Oda, Christine K.

Electricity: measuring and testing

Particle precession resonance

Spectrometer components

324318, G01R 3320, G01V 300

Patent

active

061604003

ABSTRACT:
In a radio-frequency receiver unit for a magnetic resonance apparatus, a reception antenna is connected to an input of a noise-matched field-effect transistor preamplifier with a low input impedance. The reception antenna is connected with a detuning stage. The RF receiver unit has a noise suppression stage that can be activated when the reception antenna is detuned.

REFERENCES:
patent: 4631495 (1986-12-01), Mueller et al.
patent: 4731585 (1988-03-01), Fox
patent: 4825162 (1989-04-01), Roemer et al.
patent: 5144244 (1992-09-01), Kess
patent: 5473252 (1995-12-01), Renz et al.
patent: 5964705 (1999-10-01), Truwit et al.

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