DE1491974C3 - Schaltung für die selektive Verstärkung oder Erzeugung von hochfrequenten Schwingungen - Google Patents

Schaltung für die selektive Verstärkung oder Erzeugung von hochfrequenten Schwingungen

Info

Publication number
DE1491974C3
DE1491974C3 DE19661491974 DE1491974A DE1491974C3 DE 1491974 C3 DE1491974 C3 DE 1491974C3 DE 19661491974 DE19661491974 DE 19661491974 DE 1491974 A DE1491974 A DE 1491974A DE 1491974 C3 DE1491974 C3 DE 1491974C3
Authority
DE
Germany
Prior art keywords
circuit
transistor
transistors
collector
emitter
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
Application number
DE19661491974
Other languages
German (de)
English (en)
Other versions
DE1491974B2 (de
DE1491974A1 (de
Inventor
Janus Johannes W. M. Van Overbeek
Wilhelmus Antonius Joseph Marie Zwijsen
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken 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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of DE1491974A1 publication Critical patent/DE1491974A1/de
Publication of DE1491974B2 publication Critical patent/DE1491974B2/de
Application granted granted Critical
Publication of DE1491974C3 publication Critical patent/DE1491974C3/de
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/30—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters
    • H03F1/302—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters in bipolar transistor amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/30—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H11/00—Networks using active elements
    • H03H11/46—One-port networks
    • 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
    • H04B1/163—Special arrangements for the reduction of the damping of resonant circuits of receivers
    • 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
    • H04B1/1638—Special circuits to enhance selectivity of receivers not otherwise provided for

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
  • Bipolar Integrated Circuits (AREA)
  • Amplifiers (AREA)
  • Rectifiers (AREA)
DE19661491974 1965-02-13 1966-02-10 Schaltung für die selektive Verstärkung oder Erzeugung von hochfrequenten Schwingungen Expired DE1491974C3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6501840A NL6501840A (enExample) 1965-02-13 1965-02-13

Publications (3)

Publication Number Publication Date
DE1491974A1 DE1491974A1 (de) 1969-10-02
DE1491974B2 DE1491974B2 (de) 1973-09-06
DE1491974C3 true DE1491974C3 (de) 1974-03-28

Family

ID=19792364

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19661491974 Expired DE1491974C3 (de) 1965-02-13 1966-02-10 Schaltung für die selektive Verstärkung oder Erzeugung von hochfrequenten Schwingungen

Country Status (5)

Country Link
BE (1) BE676395A (enExample)
DE (1) DE1491974C3 (enExample)
ES (1) ES322903A1 (enExample)
GB (1) GB1120592A (enExample)
NL (1) NL6501840A (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3983512A (en) * 1974-08-27 1976-09-28 Feedback Instruments Limited Current controlled electrical circuits
JP3277410B2 (ja) * 1993-06-25 2002-04-22 ソニー株式会社 パワーオンリセット回路
DE4321565A1 (de) * 1993-06-29 1995-01-12 Siagmbh Sican Anlagen Verwaltu Monolithisch integrierbarer, abstimmbarer Resonanzkreis und daraus gebildete Schaltungsanordnungen
GB2307124B (en) * 1995-11-01 1999-04-28 Plessey Semiconductors Ltd Active filter stack
ATE202663T1 (de) * 1995-11-01 2001-07-15 Mitel Semiconductor Ltd Gestapeltes aktives filter
GB2352102B (en) * 1999-07-16 2004-06-16 Ericsson Telefon Ab L M Integrated circuit

Also Published As

Publication number Publication date
DE1491974B2 (de) 1973-09-06
BE676395A (enExample) 1966-08-11
NL6501840A (enExample) 1966-08-15
GB1120592A (en) 1968-07-17
DE1491974A1 (de) 1969-10-02
ES322903A1 (es) 1966-11-16

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)