JPS5287917A - Noise delection circuit - Google Patents
Noise delection circuitInfo
- Publication number
- JPS5287917A JPS5287917A JP522876A JP522876A JPS5287917A JP S5287917 A JPS5287917 A JP S5287917A JP 522876 A JP522876 A JP 522876A JP 522876 A JP522876 A JP 522876A JP S5287917 A JPS5287917 A JP S5287917A
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- delection
- noise
- gate
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/34—Muting amplifier when no signal is present or when only weak signals are present, or caused by the presence of noise signals, e.g. squelch systems
- H03G3/345—Muting during a short period of time when noise pulses are detected, i.e. blanking
Landscapes
- Noise Elimination (AREA)
Abstract
PURPOSE:To delete pulse noise effectively by having charged with differential signal of input signal of gate circuit and by correcting the blank state of the signal during breaking period of gate with both-end voltage of electric charge storage medium.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP522876A JPS5287917A (en) | 1976-01-17 | 1976-01-17 | Noise delection circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP522876A JPS5287917A (en) | 1976-01-17 | 1976-01-17 | Noise delection circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5287917A true JPS5287917A (en) | 1977-07-22 |
JPS5617858B2 JPS5617858B2 (en) | 1981-04-24 |
Family
ID=11605318
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP522876A Granted JPS5287917A (en) | 1976-01-17 | 1976-01-17 | Noise delection circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5287917A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0159042A2 (en) * | 1984-04-20 | 1985-10-23 | Matsushita Electric Industrial Co., Ltd. | An apparatus for reducing noise in audio signals |
JP2009005049A (en) * | 2007-06-21 | 2009-01-08 | Sanyo Electric Co Ltd | Am receiver |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4942403A (en) * | 1972-08-29 | 1974-04-22 |
-
1976
- 1976-01-17 JP JP522876A patent/JPS5287917A/en active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4942403A (en) * | 1972-08-29 | 1974-04-22 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0159042A2 (en) * | 1984-04-20 | 1985-10-23 | Matsushita Electric Industrial Co., Ltd. | An apparatus for reducing noise in audio signals |
JP2009005049A (en) * | 2007-06-21 | 2009-01-08 | Sanyo Electric Co Ltd | Am receiver |
Also Published As
Publication number | Publication date |
---|---|
JPS5617858B2 (en) | 1981-04-24 |
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