DE3525174A1 - Senderschaltung zur erzeugung frequenzmodulierter signale - Google Patents

Senderschaltung zur erzeugung frequenzmodulierter signale

Info

Publication number
DE3525174A1
DE3525174A1 DE19853525174 DE3525174A DE3525174A1 DE 3525174 A1 DE3525174 A1 DE 3525174A1 DE 19853525174 DE19853525174 DE 19853525174 DE 3525174 A DE3525174 A DE 3525174A DE 3525174 A1 DE3525174 A1 DE 3525174A1
Authority
DE
Germany
Prior art keywords
circuit
output
modulator
transmitter
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.)
Granted
Application number
DE19853525174
Other languages
German (de)
English (en)
Other versions
DE3525174C2 (enrdf_load_stackoverflow
Inventor
Manfred Ing. Listopad
Philip Dipl.-Ing. Wien Webley
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.)
Sat Systeme fur Automatisierungstechnik Gesmbh
Original Assignee
SCHRACK ELEKTRONIK-AG
SCHRACK ELEKTRONIK-AG WIEN
Schrack Elektronik AG
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 SCHRACK ELEKTRONIK-AG, SCHRACK ELEKTRONIK-AG WIEN, Schrack Elektronik AG filed Critical SCHRACK ELEKTRONIK-AG
Publication of DE3525174A1 publication Critical patent/DE3525174A1/de
Application granted granted Critical
Publication of DE3525174C2 publication Critical patent/DE3525174C2/de
Granted legal-status Critical Current

Links

Classifications

    • 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
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H04J1/20—Frequency-division multiplex systems in which at least one carrier is angle-modulated
    • 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)
  • Amplitude Modulation (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
DE19853525174 1984-07-25 1985-07-15 Senderschaltung zur erzeugung frequenzmodulierter signale Granted DE3525174A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT240884A AT387679B (de) 1984-07-25 1984-07-25 Senderschaltung zur erzeugung frequenzmodulierter signale

Publications (2)

Publication Number Publication Date
DE3525174A1 true DE3525174A1 (de) 1986-03-27
DE3525174C2 DE3525174C2 (enrdf_load_stackoverflow) 1990-10-04

Family

ID=3533804

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19853525174 Granted DE3525174A1 (de) 1984-07-25 1985-07-15 Senderschaltung zur erzeugung frequenzmodulierter signale

Country Status (3)

Country Link
AT (1) AT387679B (enrdf_load_stackoverflow)
CH (1) CH669488A5 (enrdf_load_stackoverflow)
DE (1) DE3525174A1 (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19826253A1 (de) * 1998-06-15 1999-12-16 Abb Patent Gmbh Verfahren zur bandbreiteneffizienten Mehrfrequenz-Datenübertragung

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2443128A1 (de) * 1974-09-09 1976-03-25 Siemens Ag Laserstrahl-koppelanordnung
DE3113800A1 (de) * 1980-04-16 1982-03-11 Naamloze Vennootschap Philips' Gloeilampenfabrieken, 5621 Eindhoven Frequenzmodulator

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1172974A (en) * 1965-11-23 1969-12-03 Plessey Co Ltd Improvements in or relating to Modulation Systems

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2443128A1 (de) * 1974-09-09 1976-03-25 Siemens Ag Laserstrahl-koppelanordnung
DE3113800A1 (de) * 1980-04-16 1982-03-11 Naamloze Vennootschap Philips' Gloeilampenfabrieken, 5621 Eindhoven Frequenzmodulator

Also Published As

Publication number Publication date
DE3525174C2 (enrdf_load_stackoverflow) 1990-10-04
AT387679B (de) 1989-02-27
CH669488A5 (enrdf_load_stackoverflow) 1989-03-15
ATA240884A (de) 1988-07-15

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Legal Events

Date Code Title Description
8127 New person/name/address of the applicant

Owner name: SAT SYSTEME FUER AUTOMATISIERUNGSTECHNIK GES.M.B.H

8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee