GB1138800A - Frequency shift modulator - Google Patents

Frequency shift modulator

Info

Publication number
GB1138800A
GB1138800A GB5822067A GB5822067A GB1138800A GB 1138800 A GB1138800 A GB 1138800A GB 5822067 A GB5822067 A GB 5822067A GB 5822067 A GB5822067 A GB 5822067A GB 1138800 A GB1138800 A GB 1138800A
Authority
GB
United Kingdom
Prior art keywords
wave
circuit
frequency
triangular wave
amplitude
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
GB5822067A
Other languages
English (en)
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Publication of GB1138800A publication Critical patent/GB1138800A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Manipulation Of Pulses (AREA)
  • Networks Using Active Elements (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
GB5822067A 1966-12-22 1967-12-21 Frequency shift modulator Expired GB1138800A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE1756466 1966-12-22

Publications (1)

Publication Number Publication Date
GB1138800A true GB1138800A (en) 1969-01-01

Family

ID=20303752

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5822067A Expired GB1138800A (en) 1966-12-22 1967-12-21 Frequency shift modulator

Country Status (3)

Country Link
DE (1) DE1591750A1 (https=)
GB (1) GB1138800A (https=)
NO (1) NO117804B (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3718871A (en) * 1970-07-29 1973-02-27 Matsushita Electric Industrial Co Ltd Phase modulating device

Also Published As

Publication number Publication date
DE1591750A1 (de) 1969-11-06
NO117804B (https=) 1969-09-29

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