JPS6247219U - - Google Patents
Info
- Publication number
- JPS6247219U JPS6247219U JP13795785U JP13795785U JPS6247219U JP S6247219 U JPS6247219 U JP S6247219U JP 13795785 U JP13795785 U JP 13795785U JP 13795785 U JP13795785 U JP 13795785U JP S6247219 U JPS6247219 U JP S6247219U
- Authority
- JP
- Japan
- Prior art keywords
- output
- amplifier
- resistance element
- variable resistance
- operational amplifier
- 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 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Networks Using Active Elements (AREA)
- Amplifiers (AREA)
Description
第１図はこの考案の一実施例を示す回路図、第
２図は従来の増幅回路を示す回路図である。
図中１は入力端子、２は可変抵抗素子、３は増
幅器、４は出力点、５は負帰還回路、６は出力抵
抗器、７は出力端子、８，１３は検波器、９は直
流増幅器、１０は固定減衰器、１１は演算増幅器
、１２は誤差信号、１４は制御信号である。なお
、同一符号は夫々相当部分を示す。
FIG. 1 is a circuit diagram showing an embodiment of this invention, and FIG. 2 is a circuit diagram showing a conventional amplifier circuit. In the figure, 1 is an input terminal, 2 is a variable resistance element, 3 is an amplifier, 4 is an output point, 5 is a negative feedback circuit, 6 is an output resistor, 7 is an output terminal, 8 and 13 are a detector, and 9 is a DC amplifier , 10 is a fixed attenuator, 11 is an operational amplifier, 12 is an error signal, and 14 is a control signal. Note that the same reference numerals indicate corresponding parts.
Claims (1)
て負荷に接続した出力系と、上記負帰還増幅器の
出力を固定減衰器を介して演算増幅器の逆相入力
にすると共に、上記可変抵抗素子の負荷接続側出
力を上記演算増幅器の正相入力とした検出系と、
上記演算増幅器の出力を検波器を介して上記可変
抵抗素子に制御入力として接続した制御系とを備
えた増幅回路。 (2) 固定減衰器は電圧減衰量が1/2となるような
されていることを特徴とする実用新案登録請求の
範囲第１項記載の増幅回路。[Claims for Utility Model Registration] (1) An output system in which the output of a negative feedback amplifier is connected to a load via a variable resistance element, and an output system in which the output of the negative feedback amplifier is connected to an operational amplifier with the opposite phase through a fixed attenuator. a detection system in which the output on the load connection side of the variable resistance element is used as the positive phase input of the operational amplifier;
and a control system in which the output of the operational amplifier is connected as a control input to the variable resistance element via a wave detector. (2) The amplifier circuit according to claim 1, wherein the fixed attenuator has a voltage attenuation amount of 1/2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13795785U JPS6247219U (en) | 1985-09-09 | 1985-09-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13795785U JPS6247219U (en) | 1985-09-09 | 1985-09-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6247219U true JPS6247219U (en) | 1987-03-23 |
Family
ID=31042494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13795785U Pending JPS6247219U (en) | 1985-09-09 | 1985-09-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6247219U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008517263A (en) * | 2004-10-15 | 2008-05-22 | エックスエイエックス ケイエフティ | Apparatus and method for measuring and examining signals of a system that emits measurable signals in operation or in response to external excitation |
-
1985
- 1985-09-09 JP JP13795785U patent/JPS6247219U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008517263A (en) * | 2004-10-15 | 2008-05-22 | エックスエイエックス ケイエフティ | Apparatus and method for measuring and examining signals of a system that emits measurable signals in operation or in response to external excitation |
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