JPS5648734A - Predistorter - Google Patents

Predistorter

Info

Publication number
JPS5648734A
JPS5648734A JP12497879A JP12497879A JPS5648734A JP S5648734 A JPS5648734 A JP S5648734A JP 12497879 A JP12497879 A JP 12497879A JP 12497879 A JP12497879 A JP 12497879A JP S5648734 A JPS5648734 A JP S5648734A
Authority
JP
Japan
Prior art keywords
signal
power amplifier
input
envelope
multiplier
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
JP12497879A
Other languages
English (en)
Japanese (ja)
Other versions
JPS634374B2 (enrdf_load_stackoverflow
Inventor
Eiji Okamoto
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
NEC Corp
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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP12497879A priority Critical patent/JPS5648734A/ja
Publication of JPS5648734A publication Critical patent/JPS5648734A/ja
Publication of JPS634374B2 publication Critical patent/JPS634374B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/62—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for providing a predistortion of the signal in the transmitter and corresponding correction in the receiver, e.g. for improving the signal/noise ratio

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
JP12497879A 1979-09-28 1979-09-28 Predistorter Granted JPS5648734A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12497879A JPS5648734A (en) 1979-09-28 1979-09-28 Predistorter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12497879A JPS5648734A (en) 1979-09-28 1979-09-28 Predistorter

Publications (2)

Publication Number Publication Date
JPS5648734A true JPS5648734A (en) 1981-05-02
JPS634374B2 JPS634374B2 (enrdf_load_stackoverflow) 1988-01-28

Family

ID=14898909

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12497879A Granted JPS5648734A (en) 1979-09-28 1979-09-28 Predistorter

Country Status (1)

Country Link
JP (1) JPS5648734A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2652470A1 (fr) * 1989-09-28 1991-03-29 Alcatel Transmission Procede et dispositif de limitation des remontees de lobes secondaires dans une installation d'emission de puissance pour monoporteuse numerique a deux ou quatre etats de phase.
US5191597A (en) * 1990-01-22 1993-03-02 Telefonaktiebolaget L M Ericsson Method of compensating for non-linearities in an end amplifier incorporated in a radio transmitter

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH027365U (enrdf_load_stackoverflow) * 1988-06-29 1990-01-18

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2652470A1 (fr) * 1989-09-28 1991-03-29 Alcatel Transmission Procede et dispositif de limitation des remontees de lobes secondaires dans une installation d'emission de puissance pour monoporteuse numerique a deux ou quatre etats de phase.
US5191597A (en) * 1990-01-22 1993-03-02 Telefonaktiebolaget L M Ericsson Method of compensating for non-linearities in an end amplifier incorporated in a radio transmitter

Also Published As

Publication number Publication date
JPS634374B2 (enrdf_load_stackoverflow) 1988-01-28

Similar Documents

Publication Publication Date Title
EP0011464A3 (en) Circuit and method for generating modulated oscillations and a modulated oscillatory signal generated by the method
JPS5685909A (en) Automatic following type nonlinear compensation system
JPS5648734A (en) Predistorter
JPS6468009A (en) Active filter type signal adjusting circuit
JPS56143703A (en) Frequency converting circuit
GB983823A (en) Electric analog multiplier
JPS5666909A (en) Predistorter
HK19287A (en) Electronic filter for generating a third harmonic signal
JPS55147041A (en) Non-linear equalizing circuit
JPS5683104A (en) Predistortion circuit
JPS5664508A (en) Low-band compensating circuit
JPS55118212A (en) Demodulation circuit
JPS57181211A (en) Frequency converting circuit
JPS5341963A (en) Negative feedback amplifier circuit
JPS5568715A (en) Phase variable device
JPS5940673Y2 (ja) 除算回路
SU646414A1 (ru) Усилитель фазовых изменений
JPS56110321A (en) Equalizing circuit of nonlinear phase
JPS56106431A (en) Transistor of reduced carrier ssb signal
JPS53138261A (en) Integrated circuit device
JPS5535501A (en) Transmission frequency convertor
JPS55140306A (en) Fm am direct converter
JPS5325337A (en) Amplifier circuit
JPS5778282A (en) Television broadcasting device
JPS5459057A (en) Noise reduction amplifying device