JPS6258917U - - Google Patents
Info
- Publication number
- JPS6258917U JPS6258917U JP14981685U JP14981685U JPS6258917U JP S6258917 U JPS6258917 U JP S6258917U JP 14981685 U JP14981685 U JP 14981685U JP 14981685 U JP14981685 U JP 14981685U JP S6258917 U JPS6258917 U JP S6258917U
- Authority
- JP
- Japan
- Prior art keywords
- resonant circuit
- capacitor
- connection point
- circuit
- coil
- 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.)
- Granted
Links
- 239000003990 capacitor Substances 0.000 claims description 4
- 230000005669 field effect Effects 0.000 claims description 3
- 230000010355 oscillation Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 7
- 239000000523 sample Substances 0.000 description 1
Landscapes
- Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
Description
第１図は本考案の一実施例を示す交流等価回路
図、第２図は第１図の具体例を示す回路図、第３
図は第２図の動作を説明するための波形図、第４
図はＮＱＲ温度計のプローブの簡略構成図、第５
図は従来のＬＣ発振回路の一例を示す交流等価回
路図、第６図は第５図の動作波形例図である。
ＦＥＴ…電界効果トランジスタ、ＴＲ…トラン
ジスタ、Ｌ…コイル、Ｃ…コンデンサ、Ｒ…抵抗
器。
Fig. 1 is an AC equivalent circuit diagram showing one embodiment of the present invention, Fig. 2 is a circuit diagram showing a specific example of Fig. 1, and Fig. 3 is a circuit diagram showing a specific example of Fig. 1.
The figure is a waveform diagram to explain the operation of figure 2,
The figure is a simplified configuration diagram of the NQR thermometer probe, No. 5.
The figure is an AC equivalent circuit diagram showing an example of a conventional LC oscillation circuit, and FIG. 6 is an example diagram of operating waveforms of FIG. 5. FET...field effect transistor, TR...transistor, L...coil, C...capacitor, R...resistor.
Claims (1)
れコイル相互の接続点が接地された共振回路と、
該共振回路のコンデンサと一方のコイルとの接続
点にゲートが接続された電界効果トランジスタの
ソースホロワ回路と、該電界効果トランジスタの
ソースにベースが接続され定常発振状態でオン、
オフ動作を行うトランジスタのエミツタ接地回路
と、該トランジスタのコレクタと前記共振回路の
コンデンサと他方のコイルとの接続点間に接続さ
れ該共振回路に流入するエネルギーを制限する抵
抗器とで構成されたことを特徴とするＬＣ発振回
路。 A resonant circuit in which a capacitor and two coils are connected in a loop and the connection point between the coils is grounded,
a source follower circuit of a field effect transistor whose gate is connected to the connection point between the capacitor of the resonant circuit and one coil, and whose base is connected to the source of the field effect transistor and is turned on in a steady oscillation state;
A resistor connected between the collector of the transistor and the connection point between the capacitor of the resonant circuit and the other coil to limit the energy flowing into the resonant circuit. An LC oscillation circuit characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14981685U JPH0522968Y2 (en) | 1985-09-30 | 1985-09-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14981685U JPH0522968Y2 (en) | 1985-09-30 | 1985-09-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6258917U true JPS6258917U (en) | 1987-04-11 |
| JPH0522968Y2 JPH0522968Y2 (en) | 1993-06-14 |
Family
ID=31065379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14981685U Expired - Lifetime JPH0522968Y2 (en) | 1985-09-30 | 1985-09-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0522968Y2 (en) |
-
1985
- 1985-09-30 JP JP14981685U patent/JPH0522968Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0522968Y2 (en) | 1993-06-14 |
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