UA32415C2 - Радіочастотний підсилювач та передавач - Google Patents

Радіочастотний підсилювач та передавач

Info

Publication number
UA32415C2
UA32415C2 UA93003824A UA93003824A UA32415C2 UA 32415 C2 UA32415 C2 UA 32415C2 UA 93003824 A UA93003824 A UA 93003824A UA 93003824 A UA93003824 A UA 93003824A UA 32415 C2 UA32415 C2 UA 32415C2
Authority
UA
Ukraine
Prior art keywords
transmitter
radio frequency
frequency amplifier
loop
output
Prior art date
Application number
UA93003824A
Other languages
English (en)
Russian (ru)
Inventor
Грегорі Р. Блек
Грегори Р. БЛЭК
Original Assignee
Моторола, Інк.
Моторола, Инк.
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 Моторола, Інк., Моторола, Инк. filed Critical Моторола, Інк.
Publication of UA32415C2 publication Critical patent/UA32415C2/uk

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
    • H03G3/3047—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers in modulators, frequency-changers, transmitters or power amplifiers for intermittent signals, e.g. burst signals

Landscapes

  • Amplifiers (AREA)
  • Transmitters (AREA)

Abstract

Винахід відноситься до поліпшення характеристик діапазону регулювання потужності і амплітудно-модульованого вихідного сигналу підсилювача потужності. Підсилювач містить тракт першого вхідного сигналу, тракт першого вихідного сигналу, струм зсуву та напругу управління.
UA93003824A 1991-06-03 1992-04-08 Радіочастотний підсилювач та передавач UA32415C2 (uk)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/709,733 US5160898A (en) 1991-06-03 1991-06-03 Power amplifier
PCT/US1992/002776 WO1992022134A1 (en) 1991-06-03 1992-04-08 Power amplifier

Publications (1)

Publication Number Publication Date
UA32415C2 true UA32415C2 (uk) 2000-12-15

Family

ID=24851113

Family Applications (1)

Application Number Title Priority Date Filing Date
UA93003824A UA32415C2 (uk) 1991-06-03 1992-04-08 Радіочастотний підсилювач та передавач

Country Status (6)

Country Link
US (1) US5160898A (uk)
JP (1) JP3228740B2 (uk)
CA (1) CA2085117C (uk)
GB (2) GB2262672B (uk)
UA (1) UA32415C2 (uk)
WO (1) WO1992022134A1 (uk)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5422522A (en) * 1992-08-20 1995-06-06 Sgs-Thomson Microelectronics, Inc. Device for biasing an RF device operating in quasi-linear modes with temperature compensation
US5410275A (en) * 1993-12-13 1995-04-25 Motorola Inc. Amplifier circuit suitable for use in a radiotelephone
EP0847621B1 (en) * 1995-08-30 2000-10-25 Matsushita Communication Industrial Corporation Of U.S.A. Highly responsive automatic output power control based on a differential amplifier
JP3139734B2 (ja) * 1995-11-07 2001-03-05 日本電気株式会社 可変利得増幅器
US5654672A (en) * 1996-04-01 1997-08-05 Honeywell Inc. Precision bias circuit for a class AB amplifier
US5859567A (en) * 1996-09-24 1999-01-12 Motorola, Inc. Power amplifier circuit with temperature compensating level shifter
JP3565667B2 (ja) * 1996-10-08 2004-09-15 富士通株式会社 利得可変半導体回路
US6708022B1 (en) * 1997-12-22 2004-03-16 Renesas Technology Corporation Power amplification system and mobile radio communication terminal
JP3324522B2 (ja) * 1998-09-16 2002-09-17 日本電気株式会社 可変利得増幅回路及び利得制御方法
US6861905B2 (en) * 2000-05-08 2005-03-01 Renesas Technology Corp. Power amplifier system and mobile communication terminal device
US6678507B1 (en) * 2000-08-31 2004-01-13 Hitachi, Ltd. Power amplifier system and mobile communication terminal device
JP2002217659A (ja) * 2001-01-23 2002-08-02 Nec Corp 利得制御回路
JP4160365B2 (ja) * 2002-11-07 2008-10-01 株式会社ルネサステクノロジ 高周波電力増幅用電子部品および無線通信システム
US7358816B2 (en) * 2004-11-11 2008-04-15 Samsung Electronics Co., Ltd. Variable gain amplifier
WO2008103375A2 (en) * 2007-02-19 2008-08-28 Mobileaccess Networks Ltd. Method and system for improving uplink performance
JP6610523B2 (ja) * 2016-12-06 2019-11-27 株式会社村田製作所 高周波モジュール及び通信装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3512096A (en) * 1967-05-31 1970-05-12 Hitachi Ltd Transistor circuit having stabilized output d.c. level
US3560995A (en) * 1967-06-29 1971-02-02 Us Navy Voltage controlled monolithic automatic gain control attenuator device
US3553601A (en) * 1969-02-10 1971-01-05 Motorola Inc Transistor driver circuit
JPS53144235A (en) * 1977-05-23 1978-12-15 Hitachi Denshi Ltd Variable gain amplifier circuit
US4225827A (en) * 1979-02-21 1980-09-30 Harris Corporation Stabilization circuit for transistor RF power amplifiers
US4367443A (en) * 1980-01-17 1983-01-04 Motorola, Inc. Radio frequency signal power amplifier
GB8826918D0 (en) * 1988-11-17 1988-12-21 Motorola Inc Power amplifier for radio frequency signal

Also Published As

Publication number Publication date
GB2262672B (en) 1995-10-04
JP3228740B2 (ja) 2001-11-12
CA2085117C (en) 1997-05-13
GB9501126D0 (en) 1995-03-08
JPH05509217A (ja) 1993-12-16
US5160898A (en) 1992-11-03
CA2085117A1 (en) 1992-12-04
GB2262672A (en) 1993-06-23
GB9302126D0 (en) 1993-04-21
WO1992022134A1 (en) 1992-12-10

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