JPS643083B2 - - Google Patents

Info

Publication number
JPS643083B2
JPS643083B2 JP54110570A JP11057079A JPS643083B2 JP S643083 B2 JPS643083 B2 JP S643083B2 JP 54110570 A JP54110570 A JP 54110570A JP 11057079 A JP11057079 A JP 11057079A JP S643083 B2 JPS643083 B2 JP S643083B2
Authority
JP
Japan
Prior art keywords
circuit
signal
output
amplitude
voltage
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
JP54110570A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5634202A (en
Inventor
Masami Miura
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 JP11057079A priority Critical patent/JPS5634202A/ja
Priority to US06/181,930 priority patent/US4339726A/en
Priority to GB8027794A priority patent/GB2060291B/en
Priority to DE3050934A priority patent/DE3050934C2/de
Priority to DE3032660A priority patent/DE3032660C2/de
Publication of JPS5634202A publication Critical patent/JPS5634202A/ja
Publication of JPS643083B2 publication Critical patent/JPS643083B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
    • H03D3/02—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B2200/00—Indexing scheme relating to details of oscillators covered by H03B
    • H03B2200/006—Functional aspects of oscillators
    • H03B2200/0082—Lowering the supply voltage and saving power
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D13/00—Circuits for comparing the phase or frequency of two mutually-independent oscillations
    • H03D13/003—Circuits for comparing the phase or frequency of two mutually-independent oscillations in which both oscillations are converted by logic means into pulses which are applied to filtering or integrating means
    • H03D13/004—Circuits for comparing the phase or frequency of two mutually-independent oscillations in which both oscillations are converted by logic means into pulses which are applied to filtering or integrating means the logic means delivering pulses at more than one terminal, e.g. up and down pulses
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D2200/00—Indexing scheme relating to details of demodulation or transference of modulation from one carrier to another covered by H03D
    • H03D2200/0001—Circuit elements of demodulators
    • H03D2200/0009—Emitter or source coupled transistor pairs or long tail pairs
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D2200/00—Indexing scheme relating to details of demodulation or transference of modulation from one carrier to another covered by H03D
    • H03D2200/0041—Functional aspects of demodulators
    • H03D2200/0082—Quadrature arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Circuits Of Receivers In General (AREA)
  • Superheterodyne Receivers (AREA)
JP11057079A 1979-08-29 1979-08-29 Fm demodulating circuit Granted JPS5634202A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP11057079A JPS5634202A (en) 1979-08-29 1979-08-29 Fm demodulating circuit
US06/181,930 US4339726A (en) 1979-08-29 1980-08-27 Demodulator of angle modulated signal operable by low power voltage
GB8027794A GB2060291B (en) 1979-08-29 1980-08-28 Angle demodulators
DE3050934A DE3050934C2 (de) 1979-08-29 1980-08-29 Demodulatorschaltung zum Demodulieren eines winkelmodulierten Eingangssignals
DE3032660A DE3032660C2 (de) 1979-08-29 1980-08-29 Demodulatorschaltung zum Demodulieren eines winkelmodulierten Eingangssignals

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11057079A JPS5634202A (en) 1979-08-29 1979-08-29 Fm demodulating circuit

Publications (2)

Publication Number Publication Date
JPS5634202A JPS5634202A (en) 1981-04-06
JPS643083B2 true JPS643083B2 (en]) 1989-01-19

Family

ID=14539173

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11057079A Granted JPS5634202A (en) 1979-08-29 1979-08-29 Fm demodulating circuit

Country Status (1)

Country Link
JP (1) JPS5634202A (en])

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0329254B1 (en) * 1988-02-17 1992-06-24 Shell Internationale Researchmaatschappij B.V. Lubricant composition containing a viscosity index improver having dispersant properties
JP2820511B2 (ja) * 1990-07-18 1998-11-05 富士通株式会社 コヒーレント光通信用偏波ダイバーシティ受信装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6031286B2 (ja) * 1977-04-08 1985-07-22 株式会社東芝 Ｆｍ検波回路

Also Published As

Publication number Publication date
JPS5634202A (en) 1981-04-06

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