GB2407222B - Gain control amplification circuit and terminal equipment having the same - Google Patents

Gain control amplification circuit and terminal equipment having the same

Info

Publication number
GB2407222B
GB2407222B GB0427352A GB0427352A GB2407222B GB 2407222 B GB2407222 B GB 2407222B GB 0427352 A GB0427352 A GB 0427352A GB 0427352 A GB0427352 A GB 0427352A GB 2407222 B GB2407222 B GB 2407222B
Authority
GB
United Kingdom
Prior art keywords
same
terminal equipment
gain control
amplification circuit
control amplification
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 - Fee Related
Application number
GB0427352A
Other versions
GB0427352D0 (en
GB2407222A (en
Inventor
Osamu Hasegawa
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.)
NEC Corp
Original Assignee
NEC 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
Priority claimed from JP2000213884A external-priority patent/JP2002033629A/en
Application filed by NEC Corp filed Critical NEC Corp
Publication of GB0427352D0 publication Critical patent/GB0427352D0/en
Publication of GB2407222A publication Critical patent/GB2407222A/en
Application granted granted Critical
Publication of GB2407222B publication Critical patent/GB2407222B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • H03G3/3052—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
    • 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
    • H03G3/3036—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers
    • H03G3/3042—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers in modulators, frequency-changers, transmitters or power amplifiers
GB0427352A 2000-07-14 2001-07-12 Gain control amplification circuit and terminal equipment having the same Expired - Fee Related GB2407222B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2000213884A JP2002033629A (en) 2000-07-14 2000-07-14 Gain variable amplifier circuit, and terminal provided with the same
GB0117055A GB2364835B (en) 2000-07-14 2001-07-12 Gain control amplification circuit and terminal having the same

Publications (3)

Publication Number Publication Date
GB0427352D0 GB0427352D0 (en) 2005-01-19
GB2407222A GB2407222A (en) 2005-04-20
GB2407222B true GB2407222B (en) 2005-06-15

Family

ID=34395419

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0427352A Expired - Fee Related GB2407222B (en) 2000-07-14 2001-07-12 Gain control amplification circuit and terminal equipment having the same

Country Status (1)

Country Link
GB (1) GB2407222B (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2344007A (en) * 1998-11-04 2000-05-24 Ericsson Inc Transmission power control for a mobile terminal using received signal strength, base station commands and calibration information in both if and rf sections

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2344007A (en) * 1998-11-04 2000-05-24 Ericsson Inc Transmission power control for a mobile terminal using received signal strength, base station commands and calibration information in both if and rf sections

Also Published As

Publication number Publication date
GB0427352D0 (en) 2005-01-19
GB2407222A (en) 2005-04-20

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20141023 AND 20141029

PCNP Patent ceased through non-payment of renewal fee

Effective date: 20170712