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GB1548209A - Modulator circuits - Google Patents

Modulator circuits

Info

Publication number
GB1548209A
GB1548209A GB4051276A GB4051276A GB1548209A GB 1548209 A GB1548209 A GB 1548209A GB 4051276 A GB4051276 A GB 4051276A GB 4051276 A GB4051276 A GB 4051276A GB 1548209 A GB1548209 A GB 1548209A
Authority
GB
United Kingdom
Prior art keywords
modulator circuits
modulator
circuits
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
GB4051276A
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.)
UK Secretary of State for Defence
Original Assignee
UK Secretary of State for Defence
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 UK Secretary of State for Defence filed Critical UK Secretary of State for Defence
Priority to GB4051276A priority Critical patent/GB1548209A/en
Publication of GB1548209A publication Critical patent/GB1548209A/en
Expired 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
    • H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
    • H04L27/12—Modulator circuits; Transmitter circuits
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
GB4051276A 1977-09-08 1977-09-08 Modulator circuits Expired GB1548209A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB4051276A GB1548209A (en) 1977-09-08 1977-09-08 Modulator circuits

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4051276A GB1548209A (en) 1977-09-08 1977-09-08 Modulator circuits

Publications (1)

Publication Number Publication Date
GB1548209A true GB1548209A (en) 1979-07-04

Family

ID=10415269

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4051276A Expired GB1548209A (en) 1977-09-08 1977-09-08 Modulator circuits

Country Status (1)

Country Link
GB (1) GB1548209A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2142806A (en) * 1983-06-27 1985-01-23 Nec Corp Differential coding system and apparatus therefor
GB2163626A (en) * 1984-08-17 1986-02-26 Stc Plc FSK generator
EP0496408A1 (en) * 1991-01-25 1992-07-29 Samsung Electronics Co., Ltd. Method for generating transmission message signal and circuit therefor in a vehicle tracking device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2142806A (en) * 1983-06-27 1985-01-23 Nec Corp Differential coding system and apparatus therefor
GB2163626A (en) * 1984-08-17 1986-02-26 Stc Plc FSK generator
EP0496408A1 (en) * 1991-01-25 1992-07-29 Samsung Electronics Co., Ltd. Method for generating transmission message signal and circuit therefor in a vehicle tracking device

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee