JPH0775421B2 - 変調器 - Google Patents

変調器

Info

Publication number
JPH0775421B2
JPH0775421B2 JP61301829A JP30182986A JPH0775421B2 JP H0775421 B2 JPH0775421 B2 JP H0775421B2 JP 61301829 A JP61301829 A JP 61301829A JP 30182986 A JP30182986 A JP 30182986A JP H0775421 B2 JPH0775421 B2 JP H0775421B2
Authority
JP
Japan
Prior art keywords
differential amplifier
signal
input side
transistor
differential
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
JP61301829A
Other languages
English (en)
Japanese (ja)
Other versions
JPS62157408A (ja
Inventor
カール−ハインツ・マチース
ゲールト・ビールカレ
Original Assignee
エヌ・ベ−・フイリツプス・フル−イランペンフアブリケン
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 エヌ・ベ−・フイリツプス・フル−イランペンフアブリケン filed Critical エヌ・ベ−・フイリツプス・フル−イランペンフアブリケン
Publication of JPS62157408A publication Critical patent/JPS62157408A/ja
Publication of JPH0775421B2 publication Critical patent/JPH0775421B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03CMODULATION
    • H03C1/00Amplitude modulation
    • H03C1/52Modulators in which carrier or one sideband is wholly or partially suppressed
    • H03C1/54Balanced modulators, e.g. bridge type, ring type or double balanced type
    • H03C1/542Balanced modulators, e.g. bridge type, ring type or double balanced type comprising semiconductor devices with at least three electrodes
    • H03C1/545Balanced modulators, e.g. bridge type, ring type or double balanced type comprising semiconductor devices with at least three electrodes using bipolar transistors
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03CMODULATION
    • H03C2200/00Indexing scheme relating to details of modulators or modulation methods covered by H03C
    • H03C2200/0004Circuit elements of modulators
    • H03C2200/0012Emitter or source coupled transistor pairs or long tail pairs
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03CMODULATION
    • H03C2200/00Indexing scheme relating to details of modulators or modulation methods covered by H03C
    • H03C2200/0004Circuit elements of modulators
    • H03C2200/002Filters with particular characteristics

Landscapes

  • Amplitude Modulation (AREA)
  • Amplifiers (AREA)
  • Television Signal Processing For Recording (AREA)
  • Processing Of Color Television Signals (AREA)
JP61301829A 1985-12-19 1986-12-19 変調器 Expired - Lifetime JPH0775421B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3545006.1 1985-12-19
DE19853545006 DE3545006A1 (de) 1985-12-19 1985-12-19 Modulator

Publications (2)

Publication Number Publication Date
JPS62157408A JPS62157408A (ja) 1987-07-13
JPH0775421B2 true JPH0775421B2 (ja) 1995-08-09

Family

ID=6288904

Family Applications (1)

Application Number Title Priority Date Filing Date
JP61301829A Expired - Lifetime JPH0775421B2 (ja) 1985-12-19 1986-12-19 変調器

Country Status (5)

Country Link
US (1) US4724405A (OSRAM)
EP (1) EP0226255B1 (OSRAM)
JP (1) JPH0775421B2 (OSRAM)
AT (1) ATE77181T1 (OSRAM)
DE (2) DE3545006A1 (OSRAM)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE459774B (sv) * 1987-11-27 1989-07-31 Ericsson Telefon Ab L M Anordning foer kompensering av fel upptraednnde i e n kvadraturmodulator
US4933986A (en) * 1989-08-25 1990-06-12 Motorola, Inc. Gain/phase compensation for linear amplifier feedback loop
DE69011667T2 (de) * 1990-04-13 1995-01-19 Bell Telephone Mfg Modulatorschaltung.
JP2801389B2 (ja) * 1990-11-02 1998-09-21 キヤノン株式会社 信号処理装置
JP2962877B2 (ja) * 1991-07-02 1999-10-12 キヤノン株式会社 画像信号処理装置
FR2735629A1 (fr) * 1995-06-14 1996-12-20 Philips Electronics Nv Modulateur d'amplitude
GB2321148B (en) * 1997-01-11 2000-10-25 Plessey Semiconductors Ltd Double balanced mixer
US5847623A (en) * 1997-09-08 1998-12-08 Ericsson Inc. Low noise Gilbert Multiplier Cells and quadrature modulators
US20020071495A1 (en) 1998-04-28 2002-06-13 Leonid Strakovsky Linear modulator
DE10239856A1 (de) * 2002-08-29 2004-03-11 Infineon Technologies Ag Schaltungsanordnung mit Frequenzumsetzer
US10384001B2 (en) * 2017-01-17 2019-08-20 Nxp B.V. Fluid flow device

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4338580A (en) * 1980-05-09 1982-07-06 Motorola, Inc. Self balancing amplitude modulator
DE3066677D1 (en) * 1980-05-20 1984-03-29 Motorola Inc Self balancing modulator and its application in a chroma demodulator
EP0051179B1 (de) * 1980-11-03 1984-09-19 Siemens Aktiengesellschaft Integrierbare-Oszillatorschaltung
DE3041392C2 (de) * 1980-11-03 1984-08-16 Siemens AG, 1000 Berlin und 8000 München Oszillatorschaltung mit einer Mischstufe
DE3213506C1 (de) * 1982-04-10 1983-10-06 Philips Patentverwaltung Schaltungsanordnung mit einem Differenzverstaerker

Also Published As

Publication number Publication date
ATE77181T1 (de) 1992-06-15
EP0226255A2 (de) 1987-06-24
US4724405A (en) 1988-02-09
EP0226255A3 (en) 1988-10-05
JPS62157408A (ja) 1987-07-13
DE3545006C2 (OSRAM) 1987-11-05
DE3545006A1 (de) 1987-07-02
EP0226255B1 (de) 1992-06-10
DE3685637D1 (en) 1992-07-16

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