FR2443163A1 - Procede et circuit de linearisation d'un modulateur d'amplitude pour emetteurs a grande puissance - Google Patents

Procede et circuit de linearisation d'un modulateur d'amplitude pour emetteurs a grande puissance

Info

Publication number
FR2443163A1
FR2443163A1 FR7923669A FR7923669A FR2443163A1 FR 2443163 A1 FR2443163 A1 FR 2443163A1 FR 7923669 A FR7923669 A FR 7923669A FR 7923669 A FR7923669 A FR 7923669A FR 2443163 A1 FR2443163 A1 FR 2443163A1
Authority
FR
France
Prior art keywords
tube
amplifier
high power
linearised
approximated
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.)
Granted
Application number
FR7923669A
Other languages
English (en)
French (fr)
Other versions
FR2443163B1 (OSRAM
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.)
Patelhold Patenverwertungs and Elektro-Holding AG
Original Assignee
Patelhold Patenverwertungs and Elektro-Holding AG
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 Patelhold Patenverwertungs and Elektro-Holding AG filed Critical Patelhold Patenverwertungs and Elektro-Holding AG
Publication of FR2443163A1 publication Critical patent/FR2443163A1/fr
Application granted granted Critical
Publication of FR2443163B1 publication Critical patent/FR2443163B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C1/00—Amplitude modulation
    • H03C1/02—Details
    • H03C1/06—Modifications of modulator to reduce distortion, e.g. by feedback, and clearly applicable to more than one type of modulator
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C1/00—Amplitude modulation
    • H03C1/16—Amplitude modulation by means of discharge device having at least three electrodes

Landscapes

  • Amplifiers (AREA)
  • Amplitude Modulation (AREA)
  • Transmitters (AREA)
FR7923669A 1978-09-27 1979-09-24 Procede et circuit de linearisation d'un modulateur d'amplitude pour emetteurs a grande puissance Granted FR2443163A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1006678A CH642497A5 (en) 1978-09-27 1978-09-27 Method and circuit arrangement for linearisation of the transmission curve of an AM modulator for high-power broadcasting stations

Publications (2)

Publication Number Publication Date
FR2443163A1 true FR2443163A1 (fr) 1980-06-27
FR2443163B1 FR2443163B1 (OSRAM) 1983-11-18

Family

ID=4358957

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7923669A Granted FR2443163A1 (fr) 1978-09-27 1979-09-24 Procede et circuit de linearisation d'un modulateur d'amplitude pour emetteurs a grande puissance

Country Status (3)

Country Link
CH (1) CH642497A5 (OSRAM)
DE (1) DE2844296A1 (OSRAM)
FR (1) FR2443163A1 (OSRAM)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB409360A (en) * 1932-10-31 1934-04-30 Leonard Ernest Ryall Improvements in alternating current signal generators and amplifiers
GB649612A (en) * 1948-06-22 1951-01-31 British Broadcasting Corp Improvements in and relating to amplitude-modulators for electric oscillations
US2999986A (en) * 1957-12-13 1961-09-12 Holbrook George William Method of correcting non-linear distortion
GB1419519A (en) * 1972-10-02 1975-12-31 Pye Ltd Correcting amplifier non-linearity
FR2298228A1 (fr) * 1975-01-17 1976-08-13 Thomson Csf Dispositif de precorrection de non-linearite et emetteur de television comportant un tel disposit

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1001348B (de) * 1955-08-08 1957-01-24 Rohde & Schwarz Linearer Modulator fuer elektrische Schwingungen
CH504137A (de) * 1970-01-15 1971-02-28 Fr Sauter Ag Fabrik Elek Scher Nichtlinearer Gleichspannungsverstärker
DE2306294A1 (de) * 1973-02-08 1974-08-15 Rohde & Schwarz Schaltung zur kompensation der nichtlinearitaet eines verstaerkers, insbesondere des leistungsverstaerkers eines fernsehsenders

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB409360A (en) * 1932-10-31 1934-04-30 Leonard Ernest Ryall Improvements in alternating current signal generators and amplifiers
GB649612A (en) * 1948-06-22 1951-01-31 British Broadcasting Corp Improvements in and relating to amplitude-modulators for electric oscillations
US2999986A (en) * 1957-12-13 1961-09-12 Holbrook George William Method of correcting non-linear distortion
GB1419519A (en) * 1972-10-02 1975-12-31 Pye Ltd Correcting amplifier non-linearity
FR2298228A1 (fr) * 1975-01-17 1976-08-13 Thomson Csf Dispositif de precorrection de non-linearite et emetteur de television comportant un tel disposit

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
EXBK/67 *

Also Published As

Publication number Publication date
CH642497A5 (en) 1984-04-13
DE2844296C2 (OSRAM) 1987-11-19
FR2443163B1 (OSRAM) 1983-11-18
DE2844296A1 (de) 1980-04-17

Similar Documents

Publication Publication Date Title
CA2289133A1 (en) Frequency selective predistortion in a linear transmitter
JPS5353946A (en) Power amplifier
DE3166120D1 (en) Audio power amplifier with d-class push-pull end stage
ES8202459A1 (es) Un circuito amplificador del tipo de clase b
FR2443163A1 (fr) Procede et circuit de linearisation d'un modulateur d'amplitude pour emetteurs a grande puissance
JPS5673905A (en) Waveform shaping circuit
JPS56162511A (en) Power amplifier
JPS564949A (en) Transmission system for previous-arrangement supervisory signal
EP0099566A3 (en) Adjustable equalizer
DE3768158D1 (de) Linearisierungsschaltung fuer hf-leistungsverstaerker.
JPS544550A (en) Single-ended pushpull power amplifier circuit
JPS5735403A (en) Amplifier
JPS5715507A (en) Amplifier
JPS56157108A (en) Gain controlling device
JPS5582516A (en) Amplitude modulator
ATE43211T1 (de) Verstaerkerschaltung.
JPS5753129A (en) Active filter
JPS5781710A (en) Amplifier using high frequency modulated wave
JPS57196610A (en) Amplitude suppressing circuit
FR2455395A1 (fr) Correcteur de distorsions et amplificateur hyperfrequence muni d'un tel correcteur
JPS52104853A (en) Feedback amplifier
JPS5620308A (en) Amplitude modulation system
ES291046A1 (es) Dispositivo compresor de modulaciën de amplitud para instalaciones de onda portadora
JPS5619213A (en) Band pass type differential amplifying circuit
JPS5776904A (en) Amplifying circuit

Legal Events

Date Code Title Description
ST Notification of lapse