JPS6195115U - - Google Patents
Info
- Publication number
- JPS6195115U JPS6195115U JP18121884U JP18121884U JPS6195115U JP S6195115 U JPS6195115 U JP S6195115U JP 18121884 U JP18121884 U JP 18121884U JP 18121884 U JP18121884 U JP 18121884U JP S6195115 U JPS6195115 U JP S6195115U
- Authority
- JP
- Japan
- Prior art keywords
- feedback resistor
- input
- output
- circuit
- 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
- 230000005236 sound signal Effects 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims 2
- 230000003321 amplification Effects 0.000 claims 1
- 239000000284 extract Substances 0.000 claims 1
- 238000003199 nucleic acid amplification method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
Landscapes
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
- Control Of Amplification And Gain Control (AREA)
Description
第１図は本考案の一実施例の回路図、第２図は
従来の音声信号の振幅制限回路の回路図である。
図において、１……入力トランス、２……演算
増幅器、３……帰還抵抗、４，６……抵抗、５…
…ダイオード、７……コンデンサ、８……フオト
カプラ、９……入力トランス１の２次側整合抵抗
、１０……入力端子、１１……出力端子である。
FIG. 1 is a circuit diagram of an embodiment of the present invention, and FIG. 2 is a circuit diagram of a conventional audio signal amplitude limiting circuit. In the figure, 1... input transformer, 2... operational amplifier, 3... feedback resistor, 4, 6... resistor, 5...
...Diode, 7...Capacitor, 8...Photocoupler, 9...Secondary side matching resistor of input transformer 1, 10...Input terminal, 11...Output terminal.
Claims (1)
力トランスの出力を増幅し回路増幅率の設定され
る帰還抵抗を有する演算増幅器と、この演算増幅
器の出力から直流成分をとり出す検波回路と、こ
の検波回路により駆動され前記帰還抵抗と並列接
続され非直線の入出力特性を有する抵抗回路をも
つフオトカツプラとを含む音声信号振幅制限回路
。 An input transformer that receives an input audio signal, an operational amplifier that amplifies the output of this input transformer and has a feedback resistor to which a circuit amplification factor is set, a detection circuit that extracts a DC component from the output of this operational amplifier, and this detection circuit. and a photocoupler having a resistor circuit driven by the feedback resistor and connected in parallel with the feedback resistor and having non-linear input/output characteristics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18121884U JPS6195115U (en) | 1984-11-29 | 1984-11-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18121884U JPS6195115U (en) | 1984-11-29 | 1984-11-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6195115U true JPS6195115U (en) | 1986-06-19 |
Family
ID=30738773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18121884U Pending JPS6195115U (en) | 1984-11-29 | 1984-11-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6195115U (en) |
-
1984
- 1984-11-29 JP JP18121884U patent/JPS6195115U/ja active Pending