JP4027349B2 - 電力増幅器 - Google Patents

電力増幅器 Download PDF

Info

Publication number
JP4027349B2
JP4027349B2 JP2004185274A JP2004185274A JP4027349B2 JP 4027349 B2 JP4027349 B2 JP 4027349B2 JP 2004185274 A JP2004185274 A JP 2004185274A JP 2004185274 A JP2004185274 A JP 2004185274A JP 4027349 B2 JP4027349 B2 JP 4027349B2
Authority
JP
Japan
Prior art keywords
base
terminal
impedance circuit
power amplifier
resistor
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 - Lifetime
Application number
JP2004185274A
Other languages
English (en)
Japanese (ja)
Other versions
JP2004266875A5 (enExample
JP2004266875A (ja
Inventor
圭一 作野
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.)
Sharp Corp
Original Assignee
Sharp Corp
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 Sharp Corp filed Critical Sharp Corp
Priority to JP2004185274A priority Critical patent/JP4027349B2/ja
Publication of JP2004266875A publication Critical patent/JP2004266875A/ja
Publication of JP2004266875A5 publication Critical patent/JP2004266875A5/ja
Application granted granted Critical
Publication of JP4027349B2 publication Critical patent/JP4027349B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Landscapes

  • Amplifiers (AREA)
JP2004185274A 2002-02-27 2004-06-23 電力増幅器 Expired - Lifetime JP4027349B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2004185274A JP4027349B2 (ja) 2002-02-27 2004-06-23 電力増幅器

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2002051600 2002-02-27
JP2004185274A JP4027349B2 (ja) 2002-02-27 2004-06-23 電力増幅器

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP2002273169A Division JP4287116B2 (ja) 2002-02-27 2002-09-19 電力増幅器

Publications (3)

Publication Number Publication Date
JP2004266875A JP2004266875A (ja) 2004-09-24
JP2004266875A5 JP2004266875A5 (enExample) 2006-01-26
JP4027349B2 true JP4027349B2 (ja) 2007-12-26

Family

ID=33133448

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004185274A Expired - Lifetime JP4027349B2 (ja) 2002-02-27 2004-06-23 電力増幅器

Country Status (1)

Country Link
JP (1) JP4027349B2 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12407302B2 (en) 2021-02-15 2025-09-02 Murata Manufacturing Co., Ltd. Power amplifier circuit

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4699204B2 (ja) * 2005-12-28 2011-06-08 新日本無線株式会社 高周波増幅回路
JP2022037464A (ja) 2020-08-25 2022-03-09 株式会社村田製作所 電力増幅回路

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12407302B2 (en) 2021-02-15 2025-09-02 Murata Manufacturing Co., Ltd. Power amplifier circuit

Also Published As

Publication number Publication date
JP2004266875A (ja) 2004-09-24

Similar Documents

Publication Publication Date Title
JP4287116B2 (ja) 電力増幅器
US7834700B2 (en) Radio frequency power amplifier
KR102268387B1 (ko) 적응형 다중밴드 바이어스 제어 회로 및 파워 증폭 장치
US8994453B2 (en) Power amplifier
JP4088177B2 (ja) バイアス電流供給回路及び増幅回路
US8497736B1 (en) Direct DC coupled push-pull BJT driver for power amplifier with built-in gain and bias current signal dependent expansion
JP2017103643A (ja) 電力増幅回路
US9148095B2 (en) Bias circuit and amplifier controlling bias voltage
US20050068107A1 (en) Amplifier power control circuit
US20060261897A1 (en) Radio frequency power amplifier
JP5487328B2 (ja) 高パワー広帯域増幅器及び方法
JP3523638B2 (ja) 電力増幅器の動作点の調整のための回路装置
US10910999B2 (en) Bias circuit
US7057462B2 (en) Temperature compensated on-chip bias circuit for linear RF HBT power amplifiers
CN107493072B (zh) 具有增强的净空的缓冲器
US7439805B1 (en) Enhancement-depletion Darlington device
JP2004531979A (ja) 熱分散型ダーリントン増幅器
JP4027349B2 (ja) 電力増幅器
US6879214B2 (en) Bias circuit with controlled temperature dependence
JP3770306B2 (ja) ベースバイアス回路及びこのベースバイアス回路を用いた電力増幅器
US10826438B2 (en) Bias circuit
US10386880B2 (en) Circuit arrangement for compensating current variations in current mirror circuit
US12119792B2 (en) Variable gain amplifier circuit and semiconductor integrated circuit
JP2004172681A (ja) 電力増幅器用バイアス回路
JP2008154043A (ja) バイアス回路、能動素子回路、および、電力増幅器

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20040623

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20051202

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20060301

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20060314

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20060511

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20061226

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20070226

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20071002

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20071009

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20101019

Year of fee payment: 3

R150 Certificate of patent or registration of utility model

Ref document number: 4027349

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

Free format text: JAPANESE INTERMEDIATE CODE: R150

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20111019

Year of fee payment: 4

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20121019

Year of fee payment: 5

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20131019

Year of fee payment: 6

S531 Written request for registration of change of domicile

Free format text: JAPANESE INTERMEDIATE CODE: R313531

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350

S111 Request for change of ownership or part of ownership

Free format text: JAPANESE INTERMEDIATE CODE: R313113

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

EXPY Cancellation because of completion of term