JPH0588005B2 - - Google Patents

Info

Publication number
JPH0588005B2
JPH0588005B2 JP5212186A JP5212186A JPH0588005B2 JP H0588005 B2 JPH0588005 B2 JP H0588005B2 JP 5212186 A JP5212186 A JP 5212186A JP 5212186 A JP5212186 A JP 5212186A JP H0588005 B2 JPH0588005 B2 JP H0588005B2
Authority
JP
Japan
Prior art keywords
output
circuit
signal
phase
amplitude
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
JP5212186A
Other languages
English (en)
Japanese (ja)
Other versions
JPS62209908A (ja
Inventor
Yoshiaki Nagata
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.)
NEC Corp
Original Assignee
Nippon Electric Co Ltd
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 Nippon Electric Co Ltd filed Critical Nippon Electric Co Ltd
Priority to JP5212186A priority Critical patent/JPS62209908A/ja
Publication of JPS62209908A publication Critical patent/JPS62209908A/ja
Publication of JPH0588005B2 publication Critical patent/JPH0588005B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Amplitude Modulation (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
JP5212186A 1986-03-10 1986-03-10 変調装置 Granted JPS62209908A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5212186A JPS62209908A (ja) 1986-03-10 1986-03-10 変調装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5212186A JPS62209908A (ja) 1986-03-10 1986-03-10 変調装置

Publications (2)

Publication Number Publication Date
JPS62209908A JPS62209908A (ja) 1987-09-16
JPH0588005B2 true JPH0588005B2 (enrdf_load_stackoverflow) 1993-12-20

Family

ID=12906040

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5212186A Granted JPS62209908A (ja) 1986-03-10 1986-03-10 変調装置

Country Status (1)

Country Link
JP (1) JPS62209908A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS62209908A (ja) 1987-09-16

Similar Documents

Publication Publication Date Title
US4700151A (en) Modulation system capable of improving a transmission system
JP2513289B2 (ja) 変調装置
US6141390A (en) Predistortion in a linear transmitter using orthogonal kernels
CA2033301C (en) Modulation device with input signal modification for correction of amplifier nonlinearities
US5949283A (en) Adaptive digital predistortion linearization and feed-forward correction of RF power amplifier
US6373902B1 (en) Device and method for linearizing transmitter in digital communication system
JP4394409B2 (ja) プリディストーション方式歪補償機能付き増幅器
US6798844B2 (en) Correction of phase and amplitude imbalance of I/Q modulator
US20020018531A1 (en) Correction of DC-offset of I/Q modulator
JPH0580856B2 (enrdf_load_stackoverflow)
US6654426B2 (en) Correction of nonlinearity of I/Q modulator
JP5056490B2 (ja) 歪み補償係数更新装置および歪み補償増幅器
JP3994308B2 (ja) プリディストーション型歪補償回路
WO2001063752A1 (en) System for pre-distorting an input signal for a power amplifier using non-orthogonal coordinates
JPS62139425A (ja) 送信機
JP2002084146A (ja) プリディストーション型歪補償電力増幅器
JPH0531326B2 (enrdf_load_stackoverflow)
JPH0588005B2 (enrdf_load_stackoverflow)
KR101069781B1 (ko) 전송 신호를 생성하는 방법
JP3254794B2 (ja) 変調装置及び変調方法
KR100251385B1 (ko) 전력증폭기의 선형화장치 및 방법
JPH0363265B2 (enrdf_load_stackoverflow)
JPH0568894B2 (enrdf_load_stackoverflow)
KR100414075B1 (ko) Aqm의 에러보상장치 및 방법
JP2737921B2 (ja) 変調装置