NL7705552A - Quadratuurtranspositietrap. - Google Patents

Quadratuurtranspositietrap.

Info

Publication number
NL7705552A
NL7705552A NL7705552A NL7705552A NL7705552A NL 7705552 A NL7705552 A NL 7705552A NL 7705552 A NL7705552 A NL 7705552A NL 7705552 A NL7705552 A NL 7705552A NL 7705552 A NL7705552 A NL 7705552A
Authority
NL
Netherlands
Prior art keywords
staple
transposition
quadrature
quadrature transposition
transposition staple
Prior art date
Application number
NL7705552A
Other languages
English (en)
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Priority to NL7705552A priority Critical patent/NL7705552A/nl
Priority to US05/900,918 priority patent/US4193033A/en
Priority to CA000302647A priority patent/CA1135801A/en
Priority to DE2821082A priority patent/DE2821082C3/de
Priority to GB20111/78A priority patent/GB1563187A/en
Priority to SE7805612A priority patent/SE7805612L/xx
Priority to AU36198/78A priority patent/AU513425B2/en
Priority to JP53058354A priority patent/JPS6056006B2/ja
Priority to FR7814891A priority patent/FR2391593A1/fr
Publication of NL7705552A publication Critical patent/NL7705552A/nl

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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C1/00—Amplitude modulation
    • H03C1/52—Modulators in which carrier or one sideband is wholly or partially suppressed
    • H03C1/60—Modulators in which carrier or one sideband is wholly or partially suppressed with one sideband wholly or partially suppressed
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H11/00—Networks using active elements
    • H03H11/02—Multiple-port networks
    • H03H11/04—Frequency selective two-port networks
    • H03H11/08—Frequency selective two-port networks using gyrators
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H11/00—Networks using active elements
    • H03H11/02—Multiple-port networks
    • H03H11/34—Networks for connecting several sources or loads working on different frequencies or frequency bands, to a common load or source
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H11/00—Networks using active elements
    • H03H11/02—Multiple-port networks
    • H03H11/36—Networks for connecting several sources or loads, working on the same frequency band, to a common load or source
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H19/00—Networks using time-varying elements, e.g. N-path filters
    • 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
    • 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
    • H04L27/22—Demodulator circuits; Receiver circuits
NL7705552A 1977-05-20 1977-05-20 Quadratuurtranspositietrap. NL7705552A (nl)

Priority Applications (9)

Application Number Priority Date Filing Date Title
NL7705552A NL7705552A (nl) 1977-05-20 1977-05-20 Quadratuurtranspositietrap.
US05/900,918 US4193033A (en) 1977-05-20 1978-04-28 Quadrature transposition stage
CA000302647A CA1135801A (en) 1977-05-20 1978-05-04 Quadrature transposition stage
DE2821082A DE2821082C3 (de) 1977-05-20 1978-05-13 Quadraturüberlagerungsstufe
GB20111/78A GB1563187A (en) 1977-05-20 1978-05-17 Signal quadrature transposition
SE7805612A SE7805612L (sv) 1977-05-20 1978-05-17 Kvadraturomvandlare
AU36198/78A AU513425B2 (en) 1977-05-20 1978-05-17 Quadrature transposition stage
JP53058354A JPS6056006B2 (ja) 1977-05-20 1978-05-18 直交変調段
FR7814891A FR2391593A1 (fr) 1977-05-20 1978-05-19 Etage de transposition en quadrature

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7705552A NL7705552A (nl) 1977-05-20 1977-05-20 Quadratuurtranspositietrap.

Publications (1)

Publication Number Publication Date
NL7705552A true NL7705552A (nl) 1978-11-22

Family

ID=19828589

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7705552A NL7705552A (nl) 1977-05-20 1977-05-20 Quadratuurtranspositietrap.

Country Status (9)

Country Link
US (1) US4193033A (nl)
JP (1) JPS6056006B2 (nl)
AU (1) AU513425B2 (nl)
CA (1) CA1135801A (nl)
DE (1) DE2821082C3 (nl)
FR (1) FR2391593A1 (nl)
GB (1) GB1563187A (nl)
NL (1) NL7705552A (nl)
SE (1) SE7805612L (nl)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2124046A (en) * 1982-07-07 1984-02-08 Philips Electronic Associated Data demodulator for a direct frequency modulated signal
US4612509A (en) * 1983-01-13 1986-09-16 Paradyne Corporation Frequency shift keyed demodulator
GB2143386B (en) * 1983-07-14 1987-01-14 Standard Telephones Cables Ltd Radio receiver
GB2155262B (en) * 1984-03-01 1988-01-20 Standard Telephones Cables Ltd Radio receiver
JPS61171207A (ja) * 1985-01-25 1986-08-01 Nec Corp 受信機
GB2192104A (en) * 1986-06-27 1987-12-31 Philips Electronic Associated Superheterodyne radio receiver
GB2208340B (en) * 1987-07-17 1992-01-22 Plessey Co Plc Electrical circuits
DE3733374A1 (de) * 1987-10-02 1989-05-11 Messerschmitt Boelkow Blohm Verfahren und vorrichtung zur linearen verstaerkung von signalen in satellitentranspondern
CA2014916C (en) * 1989-04-20 1994-11-08 Yoichiro Minami Direct conversion receiver with dithering local carrier frequency for detecting transmitted carrier frequency
DE4340722C1 (de) * 1993-11-30 1995-04-27 Deutsche Forsch Luft Raumfahrt Einrichtung zum sendeseitigen Unterdrücken eines bei Modulation entstehenden Restträgers
US7689189B2 (en) * 2005-04-06 2010-03-30 Silicon Laboratories Inc. Circuit and method for signal reception using a low intermediate frequency reception
US7405613B2 (en) * 2005-04-06 2008-07-29 Integration Associates Inc. Differential slope demodulator for low-IF frequencies
GB2489440A (en) * 2011-03-25 2012-10-03 Toshiba Res Europ Ltd A crossover network comprising cascaded filter sections having conjugate phase responses

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3644851A (en) * 1969-05-02 1972-02-22 Bell Telephone Labor Inc Five-port gyrator circuit wherein gyrator action is produced between two nonterminated ports
US3568067A (en) * 1969-06-13 1971-03-02 Collins Radio Co Frequency discriminator with output indicative of difference between input and local reference signals
US3713050A (en) * 1971-05-11 1973-01-23 Bell Telephone Labor Inc Integrated circuit transformers employing gyrators
US3828281A (en) * 1973-02-26 1974-08-06 Lorain Prod Corp Impedance simulating circuit for transmission lines
NL165893C (nl) * 1973-07-23 1981-05-15 Philips Nv Inrichting met een gyratorresonantiekring.
US3824496A (en) * 1973-09-28 1974-07-16 Hekimian Laboratories Inc Gyrator circuits comprising operational amplifiers and oscillating utilizing same

Also Published As

Publication number Publication date
AU3619878A (en) 1979-11-22
GB1563187A (en) 1980-03-19
SE7805612L (sv) 1978-11-21
AU513425B2 (en) 1980-11-27
JPS53144652A (en) 1978-12-16
DE2821082A1 (de) 1978-11-23
DE2821082C3 (de) 1980-10-30
FR2391593B1 (nl) 1983-04-29
US4193033A (en) 1980-03-11
JPS6056006B2 (ja) 1985-12-07
DE2821082B2 (de) 1980-03-20
FR2391593A1 (fr) 1978-12-15
CA1135801A (en) 1982-11-16

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Legal Events

Date Code Title Description
BV The patent application has lapsed