JPH0222652B2 - - Google Patents
Info
- Publication number
- JPH0222652B2 JPH0222652B2 JP58037014A JP3701483A JPH0222652B2 JP H0222652 B2 JPH0222652 B2 JP H0222652B2 JP 58037014 A JP58037014 A JP 58037014A JP 3701483 A JP3701483 A JP 3701483A JP H0222652 B2 JPH0222652 B2 JP H0222652B2
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- signal
- pulse
- preamplifier
- nmr
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 230000005540 biological transmission Effects 0.000 claims description 21
- 238000001514 detection method Methods 0.000 claims description 7
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 7
- 230000001678 irradiating effect Effects 0.000 claims 1
- 238000005481 NMR spectroscopy Methods 0.000 description 18
- 239000003990 capacitor Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 9
- 238000013016 damping Methods 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
- G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
- G01R33/36—Electrical details, e.g. matching or coupling of the coil to the receiver
- G01R33/3621—NMR receivers or demodulators, e.g. preamplifiers, means for frequency modulation of the MR signal using a digital down converter, means for analog to digital conversion [ADC] or for filtering or processing of the MR signal such as bandpass filtering, resampling, decimation or interpolation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
- G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
- G01R33/36—Electrical details, e.g. matching or coupling of the coil to the receiver
- G01R33/3642—Mutual coupling or decoupling of multiple coils, e.g. decoupling of a receive coil from a transmission coil, or intentional coupling of RF coils, e.g. for RF magnetic field amplification
- G01R33/3657—Decoupling of multiple RF coils wherein the multiple RF coils do not have the same function in MR, e.g. decoupling of a transmission coil from a receive coil
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
- Transceivers (AREA)
- Circuits Of Receivers In General (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58037014A JPS59164041A (ja) | 1983-03-07 | 1983-03-07 | Nmr装置用受信回路 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58037014A JPS59164041A (ja) | 1983-03-07 | 1983-03-07 | Nmr装置用受信回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS59164041A JPS59164041A (ja) | 1984-09-17 |
JPH0222652B2 true JPH0222652B2 (en]) | 1990-05-21 |
Family
ID=12485815
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP58037014A Granted JPS59164041A (ja) | 1983-03-07 | 1983-03-07 | Nmr装置用受信回路 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS59164041A (en]) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2753283B2 (ja) * | 1988-11-24 | 1998-05-18 | 株式会社日立製作所 | Nmr装置 |
EP1664820B1 (en) | 2003-09-10 | 2008-10-22 | Koninklijke Philips Electronics N.V. | Magnetic resonance imaging receive chain with dynamic gain and wireless receiver coil |
JP5422453B2 (ja) * | 2010-03-18 | 2014-02-19 | 株式会社東芝 | 磁気共鳴イメージング装置 |
-
1983
- 1983-03-07 JP JP58037014A patent/JPS59164041A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS59164041A (ja) | 1984-09-17 |
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