TWI360293B - - Google Patents

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Publication number
TWI360293B
TWI360293B TW098130186A TW98130186A TWI360293B TW I360293 B TWI360293 B TW I360293B TW 098130186 A TW098130186 A TW 098130186A TW 98130186 A TW98130186 A TW 98130186A TW I360293 B TWI360293 B TW I360293B
Authority
TW
Taiwan
Prior art keywords
signal
voltage
count value
gain
ramp
Prior art date
Application number
TW098130186A
Other languages
English (en)
Chinese (zh)
Other versions
TW201110542A (en
Original Assignee
Tai 1 Microelectronics Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Tai 1 Microelectronics Corp filed Critical Tai 1 Microelectronics Corp
Priority to TW098130186A priority Critical patent/TW201110542A/zh
Priority to US12/588,873 priority patent/US7965142B2/en
Publication of TW201110542A publication Critical patent/TW201110542A/zh
Application granted granted Critical
Publication of TWI360293B publication Critical patent/TWI360293B/zh

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Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/001—Digital control of analog signals
    • 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
    • H03G3/3005—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers
    • H03G3/301—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers the gain being continuously variable

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Amplifiers (AREA)
TW098130186A 2009-09-08 2009-09-08 Gain control circuit and gain control method thereof TW201110542A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
TW098130186A TW201110542A (en) 2009-09-08 2009-09-08 Gain control circuit and gain control method thereof
US12/588,873 US7965142B2 (en) 2009-09-08 2009-10-30 Gain control circuit and its gain control method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW098130186A TW201110542A (en) 2009-09-08 2009-09-08 Gain control circuit and gain control method thereof

Publications (2)

Publication Number Publication Date
TW201110542A TW201110542A (en) 2011-03-16
TWI360293B true TWI360293B (https=) 2012-03-11

Family

ID=43647262

Family Applications (1)

Application Number Title Priority Date Filing Date
TW098130186A TW201110542A (en) 2009-09-08 2009-09-08 Gain control circuit and gain control method thereof

Country Status (2)

Country Link
US (1) US7965142B2 (https=)
TW (1) TW201110542A (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102355214B (zh) * 2011-10-31 2014-01-15 四川和芯微电子股份有限公司 可调增益音频功率放大电路

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8826918D0 (en) * 1988-11-17 1988-12-21 Motorola Inc Power amplifier for radio frequency signal
JP2966226B2 (ja) * 1993-02-17 1999-10-25 三菱電機株式会社 電力増幅器自動制御回路
US5642075A (en) * 1995-12-21 1997-06-24 Itt Corporation Sampled data automatic gain control

Also Published As

Publication number Publication date
TW201110542A (en) 2011-03-16
US7965142B2 (en) 2011-06-21
US20110057729A1 (en) 2011-03-10

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees