GB0818986D0 - Amplified gain control - Google Patents
Amplified gain controlInfo
- Publication number
- GB0818986D0 GB0818986D0 GBGB0818986.2A GB0818986A GB0818986D0 GB 0818986 D0 GB0818986 D0 GB 0818986D0 GB 0818986 A GB0818986 A GB 0818986A GB 0818986 D0 GB0818986 D0 GB 0818986D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- gain control
- amplified gain
- amplified
- control
- gain
- 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.)
- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G1/00—Details of arrangements for controlling amplification
- H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
- H03G1/0088—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using discontinuously variable devices, e.g. switch-operated
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G1/00—Details of arrangements for controlling amplification
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers without distortion of the input signal
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers without distortion of the input signal
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/3005—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers
- H03G3/3026—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers the gain being discontinuously variable, e.g. controlled by switching
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers without distortion of the input signal
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers without distortion of the input signal
- 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
- H03G3/342—Muting when some special characteristic of the signal is sensed which distinguishes it from noise, e.g. using speech detector
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/GB2006/001131 WO2007110556A1 (en) | 2006-03-28 | 2006-03-28 | Amplifier gain control |
Publications (2)
Publication Number | Publication Date |
---|---|
GB0818986D0 true GB0818986D0 (en) | 2008-11-26 |
GB2450063A GB2450063A (en) | 2008-12-10 |
Family
ID=37102412
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0818986A Withdrawn GB2450063A (en) | 2006-03-28 | 2008-10-16 | Amplified gain control |
Country Status (2)
Country | Link |
---|---|
GB (1) | GB2450063A (en) |
WO (1) | WO2007110556A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2507096B (en) * | 2012-10-19 | 2016-03-23 | Cirrus Logic Int Semiconductor Ltd | Digital/analogue conversion |
EP3276825B1 (en) * | 2016-07-27 | 2021-05-26 | Nxp B.V. | Gain calibration controller |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07212138A (en) * | 1994-01-24 | 1995-08-11 | Fujitsu Ltd | Electronic volume |
DE19630395C1 (en) * | 1996-07-26 | 1997-10-02 | Sgs Thomson Microelectronics | Electrical mute control circuit for audio signal |
EP0932253A3 (en) * | 1998-01-15 | 2001-02-14 | Texas Instruments Incorporated | Soft gain update method & apparatus |
US6931124B1 (en) * | 2000-01-13 | 2005-08-16 | Acoustic Technology, Inc. | Soft mute circuit |
-
2006
- 2006-03-28 WO PCT/GB2006/001131 patent/WO2007110556A1/en active Application Filing
-
2008
- 2008-10-16 GB GB0818986A patent/GB2450063A/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
WO2007110556A1 (en) | 2007-10-04 |
GB2450063A (en) | 2008-12-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |