DE69215920D1 - RF Verstärker System - Google Patents

RF Verstärker System

Info

Publication number
DE69215920D1
DE69215920D1 DE69215920T DE69215920T DE69215920D1 DE 69215920 D1 DE69215920 D1 DE 69215920D1 DE 69215920 T DE69215920 T DE 69215920T DE 69215920 T DE69215920 T DE 69215920T DE 69215920 D1 DE69215920 D1 DE 69215920D1
Authority
DE
Germany
Prior art keywords
amplifier system
amplifier
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
DE69215920T
Other languages
English (en)
Other versions
DE69215920T2 (de
Inventor
Hiroshi Asazawa
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
Application filed by NEC Corp filed Critical NEC Corp
Publication of DE69215920D1 publication Critical patent/DE69215920D1/de
Application granted granted Critical
Publication of DE69215920T2 publication Critical patent/DE69215920T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/45—Differential amplifiers
    • H03F3/45071—Differential amplifiers with semiconductor devices only
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/189—High-frequency amplifiers, e.g. radio frequency amplifiers
    • H03F3/19—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
    • H03L7/18—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Networks Using Active Elements (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
DE69215920T 1991-02-15 1992-02-14 RF Verstärker System Expired - Fee Related DE69215920T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3021770A JP2782963B2 (ja) 1991-02-15 1991-02-15 増幅回路

Publications (2)

Publication Number Publication Date
DE69215920D1 true DE69215920D1 (de) 1997-01-30
DE69215920T2 DE69215920T2 (de) 1997-07-10

Family

ID=12064314

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69215920T Expired - Fee Related DE69215920T2 (de) 1991-02-15 1992-02-14 RF Verstärker System

Country Status (4)

Country Link
US (1) US5177449A (de)
EP (1) EP0499263B1 (de)
JP (1) JP2782963B2 (de)
DE (1) DE69215920T2 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2321150B (en) * 1997-01-11 2000-12-06 Plessey Semiconductors Ltd Low noise amplifier
WO2000021193A1 (en) * 1998-10-05 2000-04-13 Koninklijke Philips Electronics N.V. If amplifier
US6472937B1 (en) 2000-11-15 2002-10-29 Conexant Systems, Inc. Bias enhancement circuit for linear amplifiers
WO2006049462A1 (en) * 2004-11-06 2006-05-11 Ok-Sang Jin Constant current darlington circuits for high power
US7218175B1 (en) * 2005-04-11 2007-05-15 Sirenza Microdevices, Inc. Dynamic feedback linearization
US7619482B1 (en) * 2007-03-13 2009-11-17 Rf Micro Devices, Inc. Compact low voltage low noise amplifier
JP2009171350A (ja) * 2008-01-17 2009-07-30 Nsc Co Ltd ラジオ受信機およびこれに用いる受信用半導体集積回路
JP2009284245A (ja) * 2008-05-22 2009-12-03 Mitsubishi Electric Corp アクティブバラン回路

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1762772A1 (de) * 1968-08-23 1970-05-27 Siemens Ag UEbertragungsvierpol hohen Eingangs- und hohen Ausgangswiderstandes
US4185240A (en) * 1977-05-16 1980-01-22 General Aviation Electronics, Inc. Channel selector system
CA1134463A (en) * 1978-10-13 1982-10-26 Kyoichi Murakami Circuit for converting single-ended input signals to a pair of differential output signals
JPH0744392B2 (ja) * 1987-03-31 1995-05-15 松下電器産業株式会社 低周波増幅回路

Also Published As

Publication number Publication date
US5177449A (en) 1993-01-05
JP2782963B2 (ja) 1998-08-06
EP0499263A1 (de) 1992-08-19
EP0499263B1 (de) 1996-12-18
DE69215920T2 (de) 1997-07-10
JPH04260214A (ja) 1992-09-16

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee