GB1112248A - Improvements in or relating to n-path frequency translation systems - Google Patents

Improvements in or relating to n-path frequency translation systems

Info

Publication number
GB1112248A
GB1112248A GB24792/66A GB2479266A GB1112248A GB 1112248 A GB1112248 A GB 1112248A GB 24792/66 A GB24792/66 A GB 24792/66A GB 2479266 A GB2479266 A GB 2479266A GB 1112248 A GB1112248 A GB 1112248A
Authority
GB
United Kingdom
Prior art keywords
modulator
frequency translation
relating
translation systems
path frequency
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
GB24792/66A
Other languages
English (en)
Inventor
Michael John Gingell
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.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
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 Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Priority to GB24792/66A priority Critical patent/GB1112248A/en
Priority to US645093A priority patent/US3546589A/en
Priority to DE19671591197 priority patent/DE1591197A1/de
Priority to FR108840A priority patent/FR94063E/fr
Priority to CH787167A priority patent/CH507618A/de
Priority to FR108839A priority patent/FR94062E/fr
Priority to SE07827/67A priority patent/SE335558B/xx
Priority to BE699455D priority patent/BE699455A/xx
Priority to NL6707818A priority patent/NL6707818A/xx
Publication of GB1112248A publication Critical patent/GB1112248A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H04J1/02—Details
    • H04J1/04—Frequency-transposition arrangements
    • 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
    • H03B21/00—Generation of oscillations by combining unmodulated signals of different frequencies
    • 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
    • H03B27/00—Generation of oscillations providing a plurality of outputs of the same frequency but differing in phase, other than merely two anti-phase outputs
    • 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
    • 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
    • H03D2200/006—Signal sampling
    • 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
    • H03D2200/0066—Mixing
    • H03D2200/0078—Mixing using a switched phase shifter or delay line
    • 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
    • H03D7/161—Multiple-frequency-changing all the frequency changers being connected in cascade
    • H03D7/163—Multiple-frequency-changing all the frequency changers being connected in cascade the local oscillations of at least two of the frequency changers being derived from a single oscillator
    • 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)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Amplitude Modulation (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
GB24792/66A 1965-12-09 1966-06-03 Improvements in or relating to n-path frequency translation systems Expired GB1112248A (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
GB24792/66A GB1112248A (en) 1966-06-03 1966-06-03 Improvements in or relating to n-path frequency translation systems
US645093A US3546589A (en) 1966-06-03 1967-06-01 Frequency characteristic shaping circuits
DE19671591197 DE1591197A1 (de) 1966-06-03 1967-06-01 Anordnung zur Frequenzumsetzung eines Nachrichtenbandes in ein traegerfrequentes Einseitenbandsignal
FR108840A FR94063E (fr) 1965-12-09 1967-06-02 Systemes a courants porteurs.
CH787167A CH507618A (de) 1966-06-03 1967-06-02 Anordnung zur Frequenzumsetzung eines Nachrichtenbandes in ein trägerfrequentes Einseitenbandsignal
FR108839A FR94062E (fr) 1965-12-09 1967-06-02 Systemes a courants porteurs.
SE07827/67A SE335558B (enExample) 1966-06-03 1967-06-05
BE699455D BE699455A (enExample) 1966-06-03 1967-06-05
NL6707818A NL6707818A (enExample) 1966-06-03 1967-06-05

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB24792/66A GB1112248A (en) 1966-06-03 1966-06-03 Improvements in or relating to n-path frequency translation systems

Publications (1)

Publication Number Publication Date
GB1112248A true GB1112248A (en) 1968-05-01

Family

ID=10217308

Family Applications (1)

Application Number Title Priority Date Filing Date
GB24792/66A Expired GB1112248A (en) 1965-12-09 1966-06-03 Improvements in or relating to n-path frequency translation systems

Country Status (7)

Country Link
US (1) US3546589A (enExample)
BE (1) BE699455A (enExample)
CH (1) CH507618A (enExample)
DE (1) DE1591197A1 (enExample)
GB (1) GB1112248A (enExample)
NL (1) NL6707818A (enExample)
SE (1) SE335558B (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2459242C3 (de) * 1974-12-14 1980-07-31 Eltro Gmbh, Gesellschaft Fuer Strahlungstechnik, 6900 Heidelberg Verfahren und Anordnung zur Beseitigung von Ausschwingvorgängen an Signalimpulsen und Anordnung zur Durchführung dieses Verfahrens

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1850569A (en) * 1927-06-25 1932-03-22 Telefunken Gmbh Radio receiving system
US2526425A (en) * 1947-10-28 1950-10-17 Bendix Aviat Corp Radio-telemetering with phase modulation
US2527649A (en) * 1949-02-18 1950-10-31 Bell Telephone Labor Inc Synchronization of pulse transmission systems
US2852606A (en) * 1952-09-17 1958-09-16 Curry Paul Electrical communication systems and method of transmitting energy
DE1023801B (de) * 1956-07-19 1958-02-06 Siemens Ag Nachrichtenuebertragungssystem nach Art eines Traegerfrequenzsystems
NL261215A (enExample) * 1960-03-08
US3081434A (en) * 1960-04-18 1963-03-12 Bell Telephone Labor Inc Multibranch circuits for translating frequency characteristics
US3406383A (en) * 1964-08-21 1968-10-15 Robertshaw Controls Co Analog keyed phase transmitter and system

Also Published As

Publication number Publication date
US3546589A (en) 1970-12-08
BE699455A (enExample) 1967-12-05
SE335558B (enExample) 1971-06-01
CH507618A (de) 1971-05-15
NL6707818A (enExample) 1967-12-04
DE1591197A1 (de) 1971-02-18

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