IT1251931B - Dispositivo di controllo particolarmente per amplificatori in satelliti e simili. - Google Patents

Dispositivo di controllo particolarmente per amplificatori in satelliti e simili.

Info

Publication number
IT1251931B
IT1251931B ITMI912726A ITMI912726A IT1251931B IT 1251931 B IT1251931 B IT 1251931B IT MI912726 A ITMI912726 A IT MI912726A IT MI912726 A ITMI912726 A IT MI912726A IT 1251931 B IT1251931 B IT 1251931B
Authority
IT
Italy
Prior art keywords
input
amplifier
generate
control device
device particularly
Prior art date
Application number
ITMI912726A
Other languages
English (en)
Inventor
Ferruccio Denti
Alberto Battisti
Original Assignee
Fiar Spa
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 Fiar Spa filed Critical Fiar Spa
Priority to ITMI912726A priority Critical patent/IT1251931B/it
Publication of ITMI912726A0 publication Critical patent/ITMI912726A0/it
Priority to EP19920117617 priority patent/EP0537733A3/en
Publication of ITMI912726A1 publication Critical patent/ITMI912726A1/it
Application granted granted Critical
Publication of IT1251931B publication Critical patent/IT1251931B/it

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3036—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers
    • H03G3/3042—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers in modulators, frequency-changers, transmitters or power amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G1/00—Details of arrangements for controlling amplification
    • H03G1/04—Modifications of control circuit to reduce distortion caused by control

Landscapes

  • Amplifiers (AREA)

Abstract

Dispositivo di controllo particolarmente per amplificatori in satelliti e simili la cui peculiarità consiste nel fatto di comprendere mezzi digitali di compensazione riceventi in ingresso un segnale proveniente da mezzi di controllo della temperatura e che generano un segnale di compensazione di fase inviato ad un amplificatore; mezzi analogici di compensazione che ricevono in ingresso un segnale proporzionale alla potenza in ingresso all'amplificatore e che generano un segnale analogico sommabile al segnale di compensazione di fase e la somma dei due segnali viene posta in ingresso a mezzi di comparazione con una soglia di riferimento. I mezzi di comparazione generano un segnale di compensazione di inviato in ingresso all'amplificatore. Sono inoltre previsti mezzi di conversione riceventi in ingresso un'alimentazione ed il segnale analogico per generare un'alimentazione compensata dell'amplificatore.
ITMI912726A 1991-10-16 1991-10-16 Dispositivo di controllo particolarmente per amplificatori in satelliti e simili. IT1251931B (it)

Priority Applications (2)

Application Number Priority Date Filing Date Title
ITMI912726A IT1251931B (it) 1991-10-16 1991-10-16 Dispositivo di controllo particolarmente per amplificatori in satelliti e simili.
EP19920117617 EP0537733A3 (en) 1991-10-16 1992-10-15 Satellite amplifier control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI912726A IT1251931B (it) 1991-10-16 1991-10-16 Dispositivo di controllo particolarmente per amplificatori in satelliti e simili.

Publications (3)

Publication Number Publication Date
ITMI912726A0 ITMI912726A0 (it) 1991-10-16
ITMI912726A1 ITMI912726A1 (it) 1993-04-16
IT1251931B true IT1251931B (it) 1995-05-27

Family

ID=11360868

Family Applications (1)

Application Number Title Priority Date Filing Date
ITMI912726A IT1251931B (it) 1991-10-16 1991-10-16 Dispositivo di controllo particolarmente per amplificatori in satelliti e simili.

Country Status (2)

Country Link
EP (1) EP0537733A3 (it)
IT (1) IT1251931B (it)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5408697A (en) * 1993-06-14 1995-04-18 Qualcomm Incorporated Temperature-compensated gain-controlled amplifier having a wide linear dynamic range
US5872481A (en) * 1995-12-27 1999-02-16 Qualcomm Incorporated Efficient parallel-stage power amplifier
US5974041A (en) * 1995-12-27 1999-10-26 Qualcomm Incorporated Efficient parallel-stage power amplifier
US6069525A (en) * 1997-04-17 2000-05-30 Qualcomm Incorporated Dual-mode amplifier with high efficiency and high linearity
US6069526A (en) * 1998-08-04 2000-05-30 Qualcomm Incorporated Partial or complete amplifier bypass
US8536950B2 (en) 2009-08-03 2013-09-17 Qualcomm Incorporated Multi-stage impedance matching
US8102205B2 (en) 2009-08-04 2012-01-24 Qualcomm, Incorporated Amplifier module with multiple operating modes

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4158180A (en) * 1978-04-13 1979-06-12 General Electric Company Temperature control circuit
US4885798A (en) * 1987-01-28 1989-12-05 Rockwell International Corporation Power consumption control apparatus
JPH03198512A (ja) * 1989-12-27 1991-08-29 Mitsubishi Electric Corp 高周波増幅器

Also Published As

Publication number Publication date
EP0537733A2 (en) 1993-04-21
ITMI912726A0 (it) 1991-10-16
ITMI912726A1 (it) 1993-04-16
EP0537733A3 (en) 1993-06-09

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19971028