JPS62139130U - - Google Patents
Info
- Publication number
- JPS62139130U JPS62139130U JP2643686U JP2643686U JPS62139130U JP S62139130 U JPS62139130 U JP S62139130U JP 2643686 U JP2643686 U JP 2643686U JP 2643686 U JP2643686 U JP 2643686U JP S62139130 U JPS62139130 U JP S62139130U
- Authority
- JP
- Japan
- Prior art keywords
- input terminal
- circuit
- bias
- terminal
- resistor
- 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
- 238000010521 absorption reaction Methods 0.000 claims description 9
- 238000010586 diagram Methods 0.000 description 7
- 239000003990 capacitor Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 1
Landscapes
- Networks Using Active Elements (AREA)
- Measurement Of Resistance Or Impedance (AREA)
Description
第１図は本考案の１実施例を表わす回路図、第
２図は本考案の１実施例を用いたインピーダンス
・電圧変換回路のブロツク図、第３図は従来のバ
イアス吸収回路を表わす図、第４図は従来のバイ
アス吸収回路の他の例を表わす図、第５図は従来
のバイアス吸収回路がインピーダンス・電圧変換
回路に組みこまれて実施された例を表わす図、第
６図は本考案の他の実施例を表わす回路図である
。
図面符号の説明、１：本案の１実施例のバイア
ス吸収回路、２：バイアス吸収回路の被接地入力
端子、３：バイアス吸収回路のＹ接地入力端子、
４，２８，５０，６０，７０：演算増幅器、５：
積分増幅回路の出力端子、８：接地、９：バイア
ス吸収インダクタンス、１０：バイアス吸収抵抗
、１１：抵抗、１２：コンデンサ、１４：反転積
分回路の入力端子、２０：直流バイアス電源、２
１：交流測定信号源、２２：電源抵抗、２３：被
測定素子、２４，２５：被測定素子の端子、２７
，５４，６４：コンデンサ、２９：基準抵抗、３
０：検出器出力端子、３２：バイアス吸収インダ
クタンス、４０：，４１：ダイオード、５３：バ
イアス吸収兼帰還抵抗、５５：非反転帯域増幅器
、６３，６５，６６：抵抗。
FIG. 1 is a circuit diagram showing one embodiment of the present invention, FIG. 2 is a block diagram of an impedance/voltage conversion circuit using one embodiment of the present invention, and FIG. 3 is a diagram showing a conventional bias absorption circuit. Fig. 4 is a diagram showing another example of the conventional bias absorption circuit, Fig. 5 is a diagram showing an example in which the conventional bias absorption circuit is incorporated into an impedance/voltage conversion circuit, and Fig. 6 is a diagram showing the present invention. FIG. 3 is a circuit diagram representing another embodiment of the invention. Explanation of drawing symbols: 1: Bias absorption circuit of one embodiment of the present invention; 2: Grounded input terminal of bias absorption circuit; 3: Y grounded input terminal of bias absorption circuit;
4, 28, 50, 60, 70: operational amplifier, 5:
Output terminal of integral amplifier circuit, 8: Ground, 9: Bias absorbing inductance, 10: Bias absorbing resistor, 11: Resistor, 12: Capacitor, 14: Input terminal of inverting integrating circuit, 20: DC bias power supply, 2
1: AC measurement signal source, 22: Power supply resistance, 23: Device under test, 24, 25: Terminals of device under test, 27
, 54, 64: Capacitor, 29: Reference resistor, 3
0: Detector output terminal, 32: Bias absorption inductance, 40:, 41: Diode, 53: Bias absorption and feedback resistor, 55: Non-inverting band amplifier, 63, 65, 66: Resistor.
Claims (1)
端子を接地した積分増幅回路、その反転入力端子
と前記入力端子対の非接地端子の接続点と前記積
分増幅回路の出力端子間に直列接続された抵抗と
インダクタンスとで構成される直流バイアス吸収
回路。 An input terminal pair with one terminal grounded, an integrating amplifier circuit with a non-inverting input terminal grounded, and a connection point between the inverting input terminal and the non-ground terminal of the input terminal pair and the output terminal of the integrating amplifier circuit are connected in series. A DC bias absorption circuit consisting of a resistor and inductance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2643686U JPS62139130U (en) | 1986-02-25 | 1986-02-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2643686U JPS62139130U (en) | 1986-02-25 | 1986-02-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62139130U true JPS62139130U (en) | 1987-09-02 |
Family
ID=30827523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2643686U Pending JPS62139130U (en) | 1986-02-25 | 1986-02-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62139130U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01135375U (en) * | 1988-03-04 | 1989-09-18 |
-
1986
- 1986-02-25 JP JP2643686U patent/JPS62139130U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01135375U (en) * | 1988-03-04 | 1989-09-18 |
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