HU175236B - Sposob i ustrojstvo dlja prijoma i generacii chastotno-modulirovannykh signalov - Google Patents

Sposob i ustrojstvo dlja prijoma i generacii chastotno-modulirovannykh signalov

Info

Publication number
HU175236B
HU175236B HU77HI455A HUHI000455A HU175236B HU 175236 B HU175236 B HU 175236B HU 77HI455 A HU77HI455 A HU 77HI455A HU HI000455 A HUHI000455 A HU HI000455A HU 175236 B HU175236 B HU 175236B
Authority
HU
Hungary
Prior art keywords
frquency
apparaus
generate
receive
modulated signals
Prior art date
Application number
HU77HI455A
Other languages
English (en)
Hungarian (hu)
Inventor
Rudolf Foeldvari
Gabor Dalnoki
Ferenc Szilagyi
Aurel Sonkoly
Original Assignee
Hiradastech Ipari Kutato
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 Hiradastech Ipari Kutato filed Critical Hiradastech Ipari Kutato
Priority to HU77HI455A priority Critical patent/HU175236B/hu
Priority to DE19782800242 priority patent/DE2800242A1/de
Priority to NL7800249A priority patent/NL7800249A/xx
Priority to BE184229A priority patent/BE862789A/fr
Priority to SE7800254A priority patent/SE7800254L/xx
Publication of HU175236B publication Critical patent/HU175236B/hu

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
    • H04L27/14—Demodulator circuits; Receiver circuits
    • H04L27/144—Demodulator circuits; Receiver circuits with demodulation using spectral properties of the received signal, e.g. by using frequency selective- or frequency sensitive elements
    • H04L27/152—Demodulator circuits; Receiver circuits with demodulation using spectral properties of the received signal, e.g. by using frequency selective- or frequency sensitive elements using controlled oscillators, e.g. PLL arrangements
    • H04L27/1525—Demodulator circuits; Receiver circuits with demodulation using spectral properties of the received signal, e.g. by using frequency selective- or frequency sensitive elements using controlled oscillators, e.g. PLL arrangements using quadrature demodulation
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/38—Angle modulation by converting amplitude modulation to angle modulation
    • H03C3/40—Angle modulation by converting amplitude modulation to angle modulation using two signal paths the outputs of which have a predetermined phase difference and at least one output being amplitude-modulated
    • 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
    • H03D3/007—Demodulation of angle-, frequency- or phase- modulated oscillations by converting the oscillations into two quadrature related signals
    • H03D3/009—Compensating quadrature phase or amplitude imbalances
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/16—Multiple-frequency-changing
    • H03D7/165—Multiple-frequency-changing at least two frequency changers being located in different paths, e.g. in two paths with carriers in quadrature

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
HU77HI455A 1977-01-10 1977-01-10 Sposob i ustrojstvo dlja prijoma i generacii chastotno-modulirovannykh signalov HU175236B (hu)

Priority Applications (5)

Application Number Priority Date Filing Date Title
HU77HI455A HU175236B (hu) 1977-01-10 1977-01-10 Sposob i ustrojstvo dlja prijoma i generacii chastotno-modulirovannykh signalov
DE19782800242 DE2800242A1 (de) 1977-01-10 1978-01-04 Verfahren und vorrichtung zum empfang und zur herstellung frequenzmodulierter signale
NL7800249A NL7800249A (nl) 1977-01-10 1978-01-09 Werkwijze en inrichting voor de ontvangst van frequentie gemoduleerde signalen, en werkwijze voor het tot stand brengen van frequentie gemo- duleerde signalen.
BE184229A BE862789A (fr) 1977-01-10 1978-01-10 Procede et installation pour la reception et la production de signaux modules en frequence
SE7800254A SE7800254L (sv) 1977-01-10 1978-01-10 Sett och anordning for alstring och mottagning av frekvensmodulerade signaler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HU77HI455A HU175236B (hu) 1977-01-10 1977-01-10 Sposob i ustrojstvo dlja prijoma i generacii chastotno-modulirovannykh signalov

Publications (1)

Publication Number Publication Date
HU175236B true HU175236B (hu) 1980-06-28

Family

ID=10997191

Family Applications (1)

Application Number Title Priority Date Filing Date
HU77HI455A HU175236B (hu) 1977-01-10 1977-01-10 Sposob i ustrojstvo dlja prijoma i generacii chastotno-modulirovannykh signalov

Country Status (5)

Country Link
BE (1) BE862789A (fr)
DE (1) DE2800242A1 (fr)
HU (1) HU175236B (fr)
NL (1) NL7800249A (fr)
SE (1) SE7800254L (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7808637A (nl) * 1978-08-22 1980-02-26 Philips Nv Ontvanger voor frequentiegemoduleerde signalen met twee quadratuur kanalen.
US4525862A (en) * 1980-07-02 1985-06-25 Motorola, Inc. Transform modulation system
GB2094079A (en) * 1981-02-20 1982-09-08 Philips Electronic Associated Fm demodulator
EP0072241B1 (fr) * 1981-08-10 1986-08-13 Fujitsu Limited Circuit de régénération d'onde porteuse
US4476585A (en) * 1982-01-25 1984-10-09 International Telephone And Telegraph Corporation Baseband demodulator for FM signals
FR2543379B1 (fr) * 1983-03-25 1990-03-02 Thomson Csf Dispositif de demodulation directe en hyperfrequence et chaine de reception hyperfrequence comportant un tel dispositif
DE3340325A1 (de) * 1983-11-08 1985-05-15 Siemens AG, 1000 Berlin und 8000 München Verfahren und schaltungsanordnung zur feststellung des vorhandenseins oder nichtvorhandenseins mindestens einer frequenz bekannten wertes in einem aus mehreren frequenzen zusammengesetzten eingangssignal
GB2175473A (en) * 1985-05-17 1986-11-26 Philips Electronic Associated D.c. block capacitor circuit
DE3613994A1 (de) * 1986-04-25 1987-10-29 Schrack Elektronik Ag Schaltungsanordnung zum demodulieren frequenzmodulierter signale
GB2193405A (en) * 1986-08-01 1988-02-03 Philips Electronic Associated Demodulating an angle-modulated signal
GB2210743A (en) * 1987-10-05 1989-06-14 Philips Nv Frequency difference detector (fdd) having automatic gain control and a carrier modulated receiver including the fdd
GB2210742A (en) * 1987-10-05 1989-06-14 Philips Nv Frequency difference detector (fdd) and a carrier modulated receiver including such a fdd
NL8802868A (nl) * 1988-11-21 1990-06-18 Stichting Tech Wetenschapp Fasevergrendelde lus met lusversterking - en nulpuntscompensatie.
JPH04310037A (ja) * 1991-04-09 1992-11-02 Nec Corp Ｆｓｋ受信機

Also Published As

Publication number Publication date
SE7800254L (sv) 1978-07-11
DE2800242A1 (de) 1978-07-13
NL7800249A (nl) 1978-07-12
BE862789A (fr) 1978-05-02

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