JPS61206311U - - Google Patents
Info
- Publication number
- JPS61206311U JPS61206311U JP8752285U JP8752285U JPS61206311U JP S61206311 U JPS61206311 U JP S61206311U JP 8752285 U JP8752285 U JP 8752285U JP 8752285 U JP8752285 U JP 8752285U JP S61206311 U JPS61206311 U JP S61206311U
- Authority
- JP
- Japan
- Prior art keywords
- detection
- diode
- circuit
- output
- inverting
- 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 8
- 238000010586 diagram Methods 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 1
Landscapes
- Amplifiers (AREA)
Description
第３図は従来の検波回路図、第１図は本考案の
実施例の回路図、第２，４図はダイオードの順特
性（ＩＦ―ＶＦ特性）図である。
１：入力端子、２：出力端子、３：電源、４，
７：コンデンサ、５，６，１１：ダイオード、８
，９，１２，１５：抵抗、１０，１４：演算増幅
器、１３：定電流回路。
FIG. 3 is a conventional detection circuit diagram, FIG. 1 is a circuit diagram of an embodiment of the present invention, and FIGS. 2 and 4 are diode forward characteristic (IF-VF characteristic) diagrams. 1: Input terminal, 2: Output terminal, 3: Power supply, 4,
7: Capacitor, 5, 6, 11: Diode, 8
, 9, 12, 15: Resistor, 10, 14: Operational amplifier, 13: Constant current circuit.
Claims (1)
引き込んだ定電流を検波ダイオードにバイアス電
流として流して検波を行い、さらに演算増幅器の
基準入力となる非反転端子と接地間に、検波ダイ
オードと同一のダイオードを接続して当該ダイオ
ードの順方向電圧を基準とした演算増幅器で構成
した反転増幅回路の反転端子に、上記検波回路の
出力を加え、当該反転増幅回路の出力を検波出力
とすることを特徴とした検波回路。 In a diode detection circuit, a constant current drawn from a constant current circuit is passed through the detection diode as a bias current to perform detection, and a diode identical to the detection diode is connected between the non-inverting terminal that serves as the reference input of the operational amplifier and ground. Detection characterized in that the output of the above detection circuit is added to the inverting terminal of an inverting amplifier circuit configured with an operational amplifier with the forward voltage of the diode as a reference, and the output of the inverting amplifier circuit is used as a detection output. circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8752285U JPS61206311U (en) | 1985-06-12 | 1985-06-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8752285U JPS61206311U (en) | 1985-06-12 | 1985-06-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61206311U true JPS61206311U (en) | 1986-12-26 |
Family
ID=30639819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8752285U Pending JPS61206311U (en) | 1985-06-12 | 1985-06-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61206311U (en) |
-
1985
- 1985-06-12 JP JP8752285U patent/JPS61206311U/ja active Pending