DK73580C - Kobling til forstærkning af elektriske svingninger. - Google Patents

Kobling til forstærkning af elektriske svingninger.

Info

Publication number
DK73580C
DK73580C DK97448AA DK97448A DK73580C DK 73580 C DK73580 C DK 73580C DK 97448A A DK97448A A DK 97448AA DK 97448 A DK97448 A DK 97448A DK 73580 C DK73580 C DK 73580C
Authority
DK
Denmark
Prior art keywords
amplification
coupling
electrical oscillations
oscillations
electrical
Prior art date
Application number
DK97448AA
Other languages
English (en)
Original Assignee
Philips 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
Priority claimed from NL131233A external-priority patent/NL89155C/xx
Application filed by Philips Nv filed Critical Philips Nv
Application granted granted Critical
Publication of DK73580C publication Critical patent/DK73580C/da

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60D—VEHICLE CONNECTIONS
    • B60D1/00—Traction couplings; Hitches; Draw-gear; Towing devices
    • 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
    • H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • H03F1/04—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in discharge-tube amplifiers
    • H03F1/06—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in discharge-tube amplifiers to raise the efficiency of amplifying modulated radio frequency waves; to raise the efficiency of amplifiers acting also as modulators
    • 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
    • H03F1/08—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements
    • 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
    • H03F1/52—Circuit arrangements for protecting such amplifiers
    • H03F1/54—Circuit arrangements for protecting such amplifiers with tubes only
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/38—DC amplifiers with modulator at input and demodulator at output; Modulators or demodulators specially adapted for use in such amplifiers
    • H03F3/40—DC amplifiers with modulator at input and demodulator at output; Modulators or demodulators specially adapted for use in such amplifiers with tubes only
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/66—Amplifiers simultaneously generating oscillations of one frequency and amplifying signals of another frequency
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/22—Automatic control in amplifiers having discharge tubes

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Amplifiers (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
DK97448AA 1943-03-19 1948-03-22 Kobling til forstærkning af elektriske svingninger. DK73580C (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL860818X 1943-03-19
NL131233A NL89155C (da) 1947-03-25 1947-03-25

Publications (1)

Publication Number Publication Date
DK73580C true DK73580C (da) 1952-01-02

Family

ID=37564251

Family Applications (1)

Application Number Title Priority Date Filing Date
DK97448AA DK73580C (da) 1943-03-19 1948-03-22 Kobling til forstærkning af elektriske svingninger.

Country Status (5)

Country Link
US (1) US2623954A (da)
DE (1) DE888265C (da)
DK (1) DK73580C (da)
FR (1) FR58107E (da)
GB (1) GB643915A (da)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2789162A (en) * 1952-03-01 1957-04-16 Gen Electric Wave amplifying circuits
US2756287A (en) * 1952-04-11 1956-07-24 Baldwin Piano Co Audio amplifier compensated gain control
US2817716A (en) * 1954-03-05 1957-12-24 Melvin B Freedman Gain control circuits
US2919415A (en) * 1954-03-22 1959-12-29 Hoffman Electronics Corp Amplitude modulated blocking oscillators or the like
US2840648A (en) * 1956-11-15 1958-06-24 Bell Telephone Labor Inc Electric signal transmission
DE1269188B (de) * 1966-03-04 1968-05-30 Fernseh Gmbh Verfahren und Anordnung zur Regelung der mittels einer Gleichspannung steuerbaren Verstaerkung eines Verstaerkers fuer elektrische Signale

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2041951A (en) * 1933-08-17 1936-05-26 American Telephone & Telegraph Modulating system
US2175990A (en) * 1933-12-28 1939-10-10 Hirsch Nicholas Process and arrangement for increasing the maximum output of electron tubes
US2153752A (en) * 1934-08-08 1939-04-11 Telefunken Gmbh Direct current amplifier circuits
US2233453A (en) * 1937-04-17 1941-03-04 Siemens Ag Transmitter
US2201770A (en) * 1937-05-15 1940-05-21 Hazeltine Corp Frequency stabilizing arrangement
US2255190A (en) * 1939-02-18 1941-09-09 Ryall Leonard Ernest Variable amplifying device
US2346545A (en) * 1940-08-10 1944-04-11 Bell Telephone Labor Inc Electron discharge device circuit
US2432512A (en) * 1944-01-08 1947-12-16 Bell Telephone Labor Inc Automatic modulation control circuit
US2435262A (en) * 1944-01-26 1948-02-03 Bell Telephone Labor Inc Self-modulated oscillator

Also Published As

Publication number Publication date
GB643915A (en) 1950-09-27
DE888265C (de) 1953-08-31
US2623954A (en) 1952-12-30
FR58107E (fr) 1953-09-21

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