JPH0128554B2 - - Google Patents

Info

Publication number
JPH0128554B2
JPH0128554B2 JP18692980A JP18692980A JPH0128554B2 JP H0128554 B2 JPH0128554 B2 JP H0128554B2 JP 18692980 A JP18692980 A JP 18692980A JP 18692980 A JP18692980 A JP 18692980A JP H0128554 B2 JPH0128554 B2 JP H0128554B2
Authority
JP
Japan
Prior art keywords
signal
modulated
input
phase
fet
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
Application number
JP18692980A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57111158A (en
Inventor
Hideo Ashida
Yasuhiro Yano
Hideki Ikuta
Yoshihiro Ishama
Tetsuji Nakatani
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP18692980A priority Critical patent/JPS57111158A/ja
Publication of JPS57111158A publication Critical patent/JPS57111158A/ja
Publication of JPH0128554B2 publication Critical patent/JPH0128554B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/20—Modulator circuits; Transmitter circuits
    • H04L27/2032—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner
    • H04L27/2035—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using a single or unspecified number of carriers

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
JP18692980A 1980-12-26 1980-12-26 Reflective phase modulator Granted JPS57111158A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18692980A JPS57111158A (en) 1980-12-26 1980-12-26 Reflective phase modulator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18692980A JPS57111158A (en) 1980-12-26 1980-12-26 Reflective phase modulator

Publications (2)

Publication Number Publication Date
JPS57111158A JPS57111158A (en) 1982-07-10
JPH0128554B2 true JPH0128554B2 (enrdf_load_stackoverflow) 1989-06-02

Family

ID=16197178

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18692980A Granted JPS57111158A (en) 1980-12-26 1980-12-26 Reflective phase modulator

Country Status (1)

Country Link
JP (1) JPS57111158A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2351423A (en) 1999-06-25 2000-12-27 Marconi Electronic Syst Ltd Modulator circuit

Also Published As

Publication number Publication date
JPS57111158A (en) 1982-07-10

Similar Documents

Publication Publication Date Title
US5345239A (en) High speed serrodyne digital frequency translator
US5006823A (en) Microwave phase shifter with 0 or π phase shift
EP0244988B1 (en) Self biasing diode microwave frequency multiplier
US3072854A (en) Artificial reactance elements for use with modulated signals
US4122415A (en) AM transmitter with an offset voltage to the RF stage to compensate for switching time of the modulators
US3955100A (en) Signal transfer system of charge transfer device with charge retaining clocking providing fixed transfer time within variable trigger pulse time period
US4831280A (en) High voltage pulse generating apparatus
JPH0128554B2 (enrdf_load_stackoverflow)
US5017793A (en) Optically driven RF generator
US3705366A (en) Two-terminal reactive hybrid microcircuit having capacitive diode termination
GB1132545A (en) Improvements in and relating to apparatus for frequency conversion of radio signals
US20020063609A1 (en) Electrical circuit and method for pulse modulation of a carrier signal
US4021758A (en) Direct modulation 4 phase PSK modulator
US3335370A (en) High level amplitude modulation of transistor radio frequency amplifiers
US3668561A (en) Field effect transistor modulator circuit
JPS631765B2 (enrdf_load_stackoverflow)
US3812437A (en) Impedance control using tranferred electron devices
US2316155A (en) Phase modulation
Tsai et al. Switching & Frequency Conversion using Dual-Gate FETs
JPS6181057A (ja) Ｏ−兀位相変調器
JP2707838B2 (ja) 半導体レーザ駆動回路
JPS604626B2 (ja) 振幅変調器
RU4861U1 (ru) Микрополосковый аттенюатор
JPH04214688A (ja) 半導体レーザ駆動回路
US3273078A (en) Double sideband suppressed carrier modulator