JPH0279476U - - Google Patents
Info
- Publication number
- JPH0279476U JPH0279476U JP15903288U JP15903288U JPH0279476U JP H0279476 U JPH0279476 U JP H0279476U JP 15903288 U JP15903288 U JP 15903288U JP 15903288 U JP15903288 U JP 15903288U JP H0279476 U JPH0279476 U JP H0279476U
- Authority
- JP
- Japan
- Prior art keywords
- probe
- circuit
- tuning
- output
- oscillator
- 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.)
- Pending
Links
- 239000000523 sample Substances 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
Description
第１図は本考案に係るＮＭＲ装置のプローブチ
ユーニング回路の１実施例構成を示す図、第２図
は第１図に示す回路の動作を説明するためのタイ
ミングチヤート、第３図は方向結合器を使用した
本考案の他の実施例構成を示す図、第４図はチユ
ーナブルプローブのチユーニング及びマツチング
調整回路の従来例を示す図である。
１…観測用発振器、２…ゲート回路、３…パル
ス発生器、４…観測用電力増幅器、５…マグネツ
ト、６…プローブ、７…高周波増幅器、８…検波
回路、９…ピークホールド回路、１０…ＤＣ増幅
器、１１…レベル表示器。
FIG. 1 is a diagram showing the configuration of one embodiment of the probe tuning circuit of the NMR apparatus according to the present invention, FIG. 2 is a timing chart for explaining the operation of the circuit shown in FIG. 1, and FIG. 3 is a directional coupling diagram. FIG. 4 is a diagram showing a conventional example of a tuning and matching adjustment circuit for a tunable probe. DESCRIPTION OF SYMBOLS 1... Oscillator for observation, 2... Gate circuit, 3... Pulse generator, 4... Power amplifier for observation, 5... Magnet, 6... Probe, 7... High frequency amplifier, 8... Detection circuit, 9... Peak hold circuit, 10... DC amplifier, 11...level indicator.
Claims (1)
を設定して発振器の出力をプローブに印加しプロ
ーブのチユーニング及びマツチングを観測核周波
数に調整するＮＭＲ装置のプローブチユーニング
回路において、発振器の出力に接続されるゲート
回路、該ゲート回路を制御するパルス発生器、及
び検出信号のピークをホールドするピークホール
ド回路を備え、発振器の出力を不連続波にしてプ
ローブに印加し、ピークホールド回路の出力レベ
ルで調整するように構成したことを特徴とするＮ
ＭＲ装置のプローブチユーニング回路。 In the probe tuning circuit of an NMR device, the conditions for adjusting the probe are set for each part of the spectrometer, the output of the oscillator is applied to the probe, and the tuning and matching of the probe is adjusted to the observed nuclear frequency. It is equipped with a gate circuit to be connected, a pulse generator that controls the gate circuit, and a peak hold circuit that holds the peak of the detection signal.The output of the oscillator is converted into a discontinuous wave and applied to the probe, and the output level of the peak hold circuit is N characterized in that it is configured to be adjusted by
Probe tuning circuit for MR equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15903288U JPH0279476U (en) | 1988-12-07 | 1988-12-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15903288U JPH0279476U (en) | 1988-12-07 | 1988-12-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0279476U true JPH0279476U (en) | 1990-06-19 |
Family
ID=31439883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15903288U Pending JPH0279476U (en) | 1988-12-07 | 1988-12-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0279476U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5915957B2 (en) * | 1972-05-04 | 1984-04-12 | シエル・インターナシヨネイル・リサーチ・マーチヤツピイ・ベー・ウイ | lubricating oil composition |
| JPS622143A (en) * | 1985-06-28 | 1987-01-08 | Yokogawa Electric Corp | Automatic gain adjustor for nmr image sensor |
-
1988
- 1988-12-07 JP JP15903288U patent/JPH0279476U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5915957B2 (en) * | 1972-05-04 | 1984-04-12 | シエル・インターナシヨネイル・リサーチ・マーチヤツピイ・ベー・ウイ | lubricating oil composition |
| JPS622143A (en) * | 1985-06-28 | 1987-01-08 | Yokogawa Electric Corp | Automatic gain adjustor for nmr image sensor |
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