JPS62129660U - - Google Patents
Info
- Publication number
- JPS62129660U JPS62129660U JP1422486U JP1422486U JPS62129660U JP S62129660 U JPS62129660 U JP S62129660U JP 1422486 U JP1422486 U JP 1422486U JP 1422486 U JP1422486 U JP 1422486U JP S62129660 U JPS62129660 U JP S62129660U
- Authority
- JP
- Japan
- Prior art keywords
- resistor
- resistors
- input terminal
- diode
- output terminal
- 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 description 2
- 238000010586 diagram Methods 0.000 description 8
Landscapes
- Measurement Of Current Or Voltage (AREA)
Description
第１図はこの考案の一実施例の構成を示す回路
図、第２図は同実施例において正の入力信号が印
加された場合の等価回路図、第３図は同実施例に
おいて負の入力信号が印加された場合の等価回路
図、第４図は従来の絶対値検出回路の構成を示す
回路図、第５図は第４図に示す回路においての正
の入力信号が印加された場合の等価回路図、第６
図は第４図に示す回路において負の入力信号が印
加された場合の等価回路図である。
１……入力端子、２……出力端子、４……抵抗
（第２の抵抗）、１０……抵抗（第１の抵抗）、
１１……（第３の抵抗）、ＯＰ１……演算増幅器
、Ｄ１，Ｄ２……ダイオード（第１、第２のダイ
オード）。
Figure 1 is a circuit diagram showing the configuration of an embodiment of this invention, Figure 2 is an equivalent circuit diagram of the same embodiment when a positive input signal is applied, and Figure 3 is an equivalent circuit diagram of the same embodiment when a negative input signal is applied. An equivalent circuit diagram when a signal is applied. Figure 4 is a circuit diagram showing the configuration of a conventional absolute value detection circuit. Figure 5 is an equivalent circuit diagram of the circuit shown in Figure 4 when a positive input signal is applied. Equivalent circuit diagram, 6th
This figure is an equivalent circuit diagram when a negative input signal is applied to the circuit shown in FIG. 4. 1... Input terminal, 2... Output terminal, 4... Resistor (second resistor), 10... Resistor (first resistor),
11... (third resistor), OP1... operational amplifier, D1, D2... diode (first, second diode).
Claims (1)
れる第１、第２の抵抗と、 前記入力端子と前記出力端子との間に介挿され
る第３の抵抗と、 反転入力端が前記第１、第２の抵抗の接続点に
接続されるとともに第１のダイオードを順方向に
介して出力端に接続され、この出力端が第２のダ
イオードを順方向に介して前記出力端子に接続さ
れ、かつ、非反転入力端が接地される演算増幅器 とを具備するとともに、前記第１の抵抗の値を前
記第２の抵抗の値の２倍に設定し、かつ、前記第
２、第３の抵抗の値を等しく設定したことを特徴
とする絶対値検出回路。[Claims for Utility Model Registration] First and second resistors provided in series between an input terminal and an output terminal; and a third resistor inserted between the input terminal and the output terminal. , the inverting input end is connected to the connection point of the first and second resistors, and is also connected to the output end through the first diode in the forward direction, and this output end is connected through the second diode in the forward direction. an operational amplifier connected to the output terminal and having a non-inverting input terminal grounded, and the value of the first resistor is set to twice the value of the second resistor, and An absolute value detection circuit characterized in that the values of the second and third resistors are set to be equal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1422486U JPS62129660U (en) | 1986-02-03 | 1986-02-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1422486U JPS62129660U (en) | 1986-02-03 | 1986-02-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62129660U true JPS62129660U (en) | 1987-08-17 |
Family
ID=30804010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1422486U Pending JPS62129660U (en) | 1986-02-03 | 1986-02-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62129660U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57206984A (en) * | 1981-07-02 | 1982-12-18 | Victor Co Of Japan Ltd | Absolute value circuit |
-
1986
- 1986-02-03 JP JP1422486U patent/JPS62129660U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57206984A (en) * | 1981-07-02 | 1982-12-18 | Victor Co Of Japan Ltd | Absolute value circuit |