JPS628737U - - Google Patents
Info
- Publication number
- JPS628737U JPS628737U JP1985099121U JP9912185U JPS628737U JP S628737 U JPS628737 U JP S628737U JP 1985099121 U JP1985099121 U JP 1985099121U JP 9912185 U JP9912185 U JP 9912185U JP S628737 U JPS628737 U JP S628737U
- Authority
- JP
- Japan
- Prior art keywords
- reactance
- detection means
- current detection
- load
- series
- 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
- 238000001514 detection method Methods 0.000 claims 4
- 238000010586 diagram Methods 0.000 description 7
- 239000003990 capacitor Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Description
第１図は本考案を適用したインピーダンス測定
装置の使用態様を説明する図、第２図は第１図に
示したインピーダンス測定装置の詳細回路図、第
３図は第２図に示した各電流センサに流れる電流
とコンデンサＸｃの端子間電圧Ｅとの関係を示す
ベクトル図、第４図は本実施例による演算過程を
説明する図、第５図ＡおよびＢは高周波電流セン
サの詳細な構造を示す図、第６図はその他の電流
センサの構成例を説明する図、第７図は本インピ
ーダンス測定装置の特性を調べるための実験回路
図、第８図は第７図に示した回路の実測値を示す
図である。
２…送信機、４…本考案の一実施例であるイン
ピーダンス測定装置、ＡＮＴ…アンテナ、６…本
インピーダンス測定装置の入力端子、８…本イン
ピーダンス測定装置の出力端子、Ｍ１〜Ｍ３…高
周波電流センサ、ＰＲ…並列共振回路、１０…Ａ
／Ｄコンバータ、１２…ＣＰＵ、１４…ＣＲＴま
たはプリンタ、１６…信号処理回路。
Fig. 1 is a diagram explaining the usage of the impedance measuring device to which the present invention is applied, Fig. 2 is a detailed circuit diagram of the impedance measuring device shown in Fig. 1, and Fig. 3 is a diagram showing each current shown in Fig. 2. A vector diagram showing the relationship between the current flowing through the sensor and the voltage E between the terminals of the capacitor Xc, FIG. 4 is a diagram explaining the calculation process according to this embodiment, and FIGS. 5A and B show the detailed structure of the high-frequency current sensor. Figure 6 is a diagram explaining another example of the configuration of a current sensor, Figure 7 is an experimental circuit diagram for investigating the characteristics of this impedance measuring device, and Figure 8 is an actual measurement of the circuit shown in Figure 7. It is a figure showing a value. 2... Transmitter, 4... Impedance measuring device which is an embodiment of the present invention, ANT... Antenna, 6... Input terminal of this impedance measuring device, 8... Output terminal of this impedance measuring device, M1 to M3 ... High frequency Current sensor, PR...parallel resonant circuit, 10...A
/D converter, 12...CPU, 14...CRT or printer, 16...signal processing circuit.
Claims (1)
した第１および第２の高周波電流検出手段と、 これら両検出手段の共通接続点と接地点との間
に直列に接続した第３の高周波電流検出手段およ
びリアクタンスと、 前記リアクタンスを補償するために前記被測定
装置の出力端と前記接地点との間に接続した逆リ
アクタンスとを備え、 前記第１ないし第３の電流検出手段から得られ
る測定電流値および前記リアクタンスの値に基づ
いて所定の演算を行うことにより前記負荷のイン
ピーダンス、反射係数などの諸定数ならびに通過
電力を測定するようにしたことを特徴とする測定
装置。[Claims for Utility Model Registration] First and second high-frequency current detection means connected in series between the high-frequency signal generator and the load, and connected in series between the common connection point of both of these detection means and the grounding point. a third high-frequency current detection means and a reactance connected to the reactance; and a reverse reactance connected between the output end of the device under test and the ground point to compensate for the reactance, Various constants such as impedance and reflection coefficient of the load and passing power are measured by performing predetermined calculations based on the measured current value obtained from the current detection means and the value of the reactance. measuring device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985099121U JPS628737U (en) | 1985-07-01 | 1985-07-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985099121U JPS628737U (en) | 1985-07-01 | 1985-07-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS628737U true JPS628737U (en) | 1987-01-20 |
Family
ID=30967714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985099121U Pending JPS628737U (en) | 1985-07-01 | 1985-07-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS628737U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60175118U (en) * | 1984-04-28 | 1985-11-20 | ニツスイ工業株式会社 | Mobile bug |
| JPS61190218U (en) * | 1985-05-20 | 1986-11-27 | ||
| JP2006258763A (en) * | 2005-03-18 | 2006-09-28 | Toshiba Corp | Reflection measuring circuit, and transmission protecting device using reflection measuring circuit |
| JP2014127958A (en) * | 2012-12-27 | 2014-07-07 | Toshiba Corp | Digital amplitude modulation device and digital amplitude modulation control method |
| US9692377B2 (en) | 2014-01-09 | 2017-06-27 | Kabushiki Kaisha Toshiba | Digital amplitude modulation device and digital amplitude modulation control method |
-
1985
- 1985-07-01 JP JP1985099121U patent/JPS628737U/ja active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60175118U (en) * | 1984-04-28 | 1985-11-20 | ニツスイ工業株式会社 | Mobile bug |
| JPS61190218U (en) * | 1985-05-20 | 1986-11-27 | ||
| JP2006258763A (en) * | 2005-03-18 | 2006-09-28 | Toshiba Corp | Reflection measuring circuit, and transmission protecting device using reflection measuring circuit |
| JP2014127958A (en) * | 2012-12-27 | 2014-07-07 | Toshiba Corp | Digital amplitude modulation device and digital amplitude modulation control method |
| US9654065B2 (en) | 2012-12-27 | 2017-05-16 | Kabushiki Kaisha Toshiba | Digital amplitude modulation device and digital amplitude modulation method |
| US9692377B2 (en) | 2014-01-09 | 2017-06-27 | Kabushiki Kaisha Toshiba | Digital amplitude modulation device and digital amplitude modulation control method |
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