JPH01132112U - - Google Patents
Info
- Publication number
- JPH01132112U JPH01132112U JP2600388U JP2600388U JPH01132112U JP H01132112 U JPH01132112 U JP H01132112U JP 2600388 U JP2600388 U JP 2600388U JP 2600388 U JP2600388 U JP 2600388U JP H01132112 U JPH01132112 U JP H01132112U
- Authority
- JP
- Japan
- Prior art keywords
- operational amplifier
- diode
- output terminal
- input terminal
- series resistance
- 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 2
- 239000003990 capacitor Substances 0.000 claims 1
- 238000009499 grossing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Amplifiers (AREA)
Description
第１図は本考案の一実施例を示す回路図、第２
図は本考案の他の実施例を示す回路図である。
ＩＣ１，ＩＣ２…オペアンプ、Ｄ１…ダイオー
ド。
Figure 1 is a circuit diagram showing one embodiment of the present invention, Figure 2 is a circuit diagram showing an embodiment of the present invention.
The figure is a circuit diagram showing another embodiment of the present invention. IC 1 , IC 2 ... operational amplifier, D 1 ... diode.
Claims (1)
アンプの一方の入力端子に上記第１のオペアンプ
の出力端子の直流電位とほぼ同電位の直流バイア
ス電圧を加える手段と、上記第１のオペアンプの
出力端子と第２のオペアンプの他方の入力端子と
の間に接続された順方向接続のダイオードとその
直列抵抗と、上記ダイオードと直列抵抗との接続
中点と接地間に並列接続されたリーク抵抗と平滑
コンデンサとを有することを特徴とする信号検出
及び検波回路。 means for applying a DC bias voltage having substantially the same potential as the DC potential of the output terminal of the first operational amplifier to one input terminal of the first operational amplifier and the second operational amplifier; A forward-connected diode and its series resistance connected between the output terminal and the other input terminal of the second operational amplifier, and a leak resistance connected in parallel between the midpoint of the connection between the diode and the series resistance and ground. A signal detection and detection circuit comprising: and a smoothing capacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2600388U JPH01132112U (en) | 1988-03-01 | 1988-03-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2600388U JPH01132112U (en) | 1988-03-01 | 1988-03-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01132112U true JPH01132112U (en) | 1989-09-07 |
Family
ID=31247231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2600388U Pending JPH01132112U (en) | 1988-03-01 | 1988-03-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01132112U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04239803A (en) * | 1991-01-23 | 1992-08-27 | Rohm Co Ltd | Detection circuit |
-
1988
- 1988-03-01 JP JP2600388U patent/JPH01132112U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04239803A (en) * | 1991-01-23 | 1992-08-27 | Rohm Co Ltd | Detection circuit |