JPS56152309A - Noise reduction circuit - Google Patents
Noise reduction circuitInfo
- Publication number
- JPS56152309A JPS56152309A JP5427380A JP5427380A JPS56152309A JP S56152309 A JPS56152309 A JP S56152309A JP 5427380 A JP5427380 A JP 5427380A JP 5427380 A JP5427380 A JP 5427380A JP S56152309 A JPS56152309 A JP S56152309A
- Authority
- JP
- Japan
- Prior art keywords
- output
- impedance circuit
- noise reduction
- sent
- differential 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G9/00—Combinations of two or more types of control, e.g. gain control and tone control
- H03G9/02—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers
- H03G9/025—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers frequency-dependent volume compression or expansion, e.g. multiple-band systems
Landscapes
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5427380A JPS56152309A (en) | 1980-04-25 | 1980-04-25 | Noise reduction circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5427380A JPS56152309A (en) | 1980-04-25 | 1980-04-25 | Noise reduction circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS56152309A true JPS56152309A (en) | 1981-11-25 |
JPS6351409B2 JPS6351409B2 (ja) | 1988-10-13 |
Family
ID=12965963
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5427380A Granted JPS56152309A (en) | 1980-04-25 | 1980-04-25 | Noise reduction circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56152309A (ja) |
-
1980
- 1980-04-25 JP JP5427380A patent/JPS56152309A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS6351409B2 (ja) | 1988-10-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS56137598A (en) | Sample hold circuit | |
JPS5571400A (en) | Monolithic power ic and acoustic unit | |
JPS5340257A (en) | Tone control circuit | |
JPS55147816A (en) | Variable gain amplifier | |
JPS5746517A (en) | Noise reduction circuit | |
JPS56152309A (en) | Noise reduction circuit | |
IE811406L (en) | Operational amplifier | |
JPS55121732A (en) | Biquad filter | |
JPS56166613A (en) | Voltage to current converting circuit | |
JPS56116328A (en) | Multiplexer circuit | |
JPS5574228A (en) | Audio tone adjusting unit | |
JPS5772415A (en) | Circuir having function of band pass filter and oscillator | |
JPS54103659A (en) | Asymmetrical gain unit | |
JPS5398759A (en) | Gain control unit | |
FR2436397A2 (fr) | Montage comportant un organe de transmission non lineaire possedant une zone morte pour la suppression de la composante parasite de signaux de mesure parasites | |
JPS6468010A (en) | Correcting circuit | |
JPS56160110A (en) | Amplifying circuit | |
JPS5555610A (en) | Adjusting circuit for frequency characteristic | |
JPS55110427A (en) | Clamp circuit | |
JPS5568729A (en) | Input circuit with input level decision | |
JPS55156408A (en) | Low input impedance ic-implemented amplifier | |
JPS5443448A (en) | Compressor | |
JPS57109450A (en) | Howling preventing circuit for telephone set callable by loudspeaker | |
JPS5769915A (en) | Automatic gain control circuit | |
JPS573409A (en) | Agc circuit |