JPS61114375U - - Google Patents
Info
- Publication number
- JPS61114375U JPS61114375U JP19660784U JP19660784U JPS61114375U JP S61114375 U JPS61114375 U JP S61114375U JP 19660784 U JP19660784 U JP 19660784U JP 19660784 U JP19660784 U JP 19660784U JP S61114375 U JPS61114375 U JP S61114375U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- inverting amplifier
- absolute value
- main conversion
- signal
- 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
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Description
第１図は本考案に係る絶対値回路の一実施例を
示す回路構成図、第２図ａ，ｂは第１図に示す回
路における主変換回路の動作を説明するための図
、第３図は本考案回路の変形例を示す回路構成図
、第４図および第５図は従来における絶対値回路
の構成図である。
１０……主変換回路、Ａ１０……演算増幅器、
Ｒ１０……入力抵抗、Ｒ１１……帰環抵抗、２０
……機能切換回路、２１，２３……切換素子、２
２……反転増幅器、３０……極性判定用コンパレ
ータ。
FIG. 1 is a circuit configuration diagram showing one embodiment of the absolute value circuit according to the present invention, FIGS. 2a and b are diagrams for explaining the operation of the main conversion circuit in the circuit shown in FIG. 1, and FIG. 1 is a circuit configuration diagram showing a modification of the circuit of the present invention, and FIGS. 4 and 5 are configuration diagrams of conventional absolute value circuits. 10... Main conversion circuit, A10... Operational amplifier,
R10...Input resistance, R11...Return resistance, 20
...Function switching circuit, 21, 23...Switching element, 2
2... Inverting amplifier, 30... Comparator for polarity determination.
Claims (1)
増幅回路を構成し、これら回路のうちいずれか一
方が作動して入力信号を絶対値信号に変換して出
力する主変換回路と、前記入力信号の極性を判定
する極性判定回路と、この極性判定回路から出力
される判定信号を受けて前記主変換回路を反転増
幅回路および非反転増幅回路のいずれか一方に切
換える機能切換回路とを具備したことを特徴とす
る絶対値回路。 A main conversion circuit that includes an operational amplifier to configure an inverting amplifier circuit and a non-inverting amplifier circuit, and one of these circuits operates to convert an input signal into an absolute value signal and output it, and a main conversion circuit that converts an input signal into an absolute value signal and outputs it; and a function switching circuit that receives a determination signal output from the polarity determination circuit and switches the main conversion circuit to either an inverting amplifier circuit or a non-inverting amplifier circuit. Absolute value circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19660784U JPS61114375U (en) | 1984-12-28 | 1984-12-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19660784U JPS61114375U (en) | 1984-12-28 | 1984-12-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61114375U true JPS61114375U (en) | 1986-07-19 |
Family
ID=30754421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19660784U Pending JPS61114375U (en) | 1984-12-28 | 1984-12-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61114375U (en) |
-
1984
- 1984-12-28 JP JP19660784U patent/JPS61114375U/ja active Pending