DE60021084D1 - Automatische verstärkungsregelung in einer radiovorrichtung mit null-zwischenfrequenz - Google Patents

Automatische verstärkungsregelung in einer radiovorrichtung mit null-zwischenfrequenz

Info

Publication number
DE60021084D1
DE60021084D1 DE60021084T DE60021084T DE60021084D1 DE 60021084 D1 DE60021084 D1 DE 60021084D1 DE 60021084 T DE60021084 T DE 60021084T DE 60021084 T DE60021084 T DE 60021084T DE 60021084 D1 DE60021084 D1 DE 60021084D1
Authority
DE
Germany
Prior art keywords
gain control
automatic gain
radio device
interference radio
zero interference
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.)
Expired - Lifetime
Application number
DE60021084T
Other languages
English (en)
Other versions
DE60021084T2 (de
Inventor
Rishi Mohindra
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NXP BV
Original Assignee
Koninklijke Philips Electronics NV
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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Application granted granted Critical
Publication of DE60021084D1 publication Critical patent/DE60021084D1/de
Publication of DE60021084T2 publication Critical patent/DE60021084T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/26—Circuits for superheterodyne receivers
    • 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
    • H03G3/3052—Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver
    • H03G3/3068—Circuits generating control signals for both R.F. and I.F. stages
DE60021084T 1999-12-22 2000-12-08 Automatische verstärkungsregelung in einer radiovorrichtung mit null-zwischenfrequenz Expired - Lifetime DE60021084T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/469,880 US6442380B1 (en) 1999-12-22 1999-12-22 Automatic gain control in a zero intermediate frequency radio device
US469880 1999-12-22
PCT/EP2000/012384 WO2001047105A2 (en) 1999-12-22 2000-12-08 Automatic gain control in a zero intermediate frequency radio device

Publications (2)

Publication Number Publication Date
DE60021084D1 true DE60021084D1 (de) 2005-08-04
DE60021084T2 DE60021084T2 (de) 2006-05-18

Family

ID=23865411

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60021084T Expired - Lifetime DE60021084T2 (de) 1999-12-22 2000-12-08 Automatische verstärkungsregelung in einer radiovorrichtung mit null-zwischenfrequenz

Country Status (7)

Country Link
US (1) US6442380B1 (de)
EP (1) EP1203446B1 (de)
JP (1) JP4815562B2 (de)
KR (1) KR100685527B1 (de)
CN (1) CN1201485C (de)
DE (1) DE60021084T2 (de)
WO (1) WO2001047105A2 (de)

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Also Published As

Publication number Publication date
KR20010103018A (ko) 2001-11-17
CN1364337A (zh) 2002-08-14
WO2001047105A2 (en) 2001-06-28
EP1203446A2 (de) 2002-05-08
KR100685527B1 (ko) 2007-02-22
DE60021084T2 (de) 2006-05-18
CN1201485C (zh) 2005-05-11
JP4815562B2 (ja) 2011-11-16
JP2003518793A (ja) 2003-06-10
US6442380B1 (en) 2002-08-27
WO2001047105A3 (en) 2002-02-28
EP1203446B1 (de) 2005-06-29

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Representative=s name: EISENFUEHR, SPEISER & PARTNER, 10178 BERLIN

8327 Change in the person/name/address of the patent owner

Owner name: NXP B.V., EINDHOVEN, NL