CH352375A - Circuit arrangement for generating frequency-modulated telegraphy signals with a transistor - Google Patents

Circuit arrangement for generating frequency-modulated telegraphy signals with a transistor

Info

Publication number
CH352375A
CH352375A CH352375DA CH352375A CH 352375 A CH352375 A CH 352375A CH 352375D A CH352375D A CH 352375DA CH 352375 A CH352375 A CH 352375A
Authority
CH
Switzerland
Prior art keywords
modulated
transistor
circuit arrangement
generating frequency
telegraphy signals
Prior art date
Application number
Other languages
German (de)
Inventor
Kuhlmann Richard
Original Assignee
Telefunken Gmbh
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 Telefunken Gmbh filed Critical Telefunken Gmbh
Publication of CH352375A publication Critical patent/CH352375A/en

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • 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)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
CH352375D 1956-11-10 1957-09-19 Circuit arrangement for generating frequency-modulated telegraphy signals with a transistor CH352375A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DET12854A DE1013330B (en) 1956-11-10 1956-11-10 Circuit arrangement for generating frequency-modulated telegraph signals with a transistor

Publications (1)

Publication Number Publication Date
CH352375A true CH352375A (en) 1961-02-28

Family

ID=7547149

Family Applications (1)

Application Number Title Priority Date Filing Date
CH352375D CH352375A (en) 1956-11-10 1957-09-19 Circuit arrangement for generating frequency-modulated telegraphy signals with a transistor

Country Status (3)

Country Link
CH (1) CH352375A (en)
DE (1) DE1013330B (en)
NL (2) NL109096C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1271781B (en) * 1964-04-23 1968-07-04 Siemens Ag Circuit for angle modulation of an electrical oscillation

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2994043A (en) * 1960-01-25 1961-07-25 Data Control Systems Inc F-m oscillator circuit arrangements

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1271781B (en) * 1964-04-23 1968-07-04 Siemens Ag Circuit for angle modulation of an electrical oscillation

Also Published As

Publication number Publication date
NL109096C (en)
NL221429A (en)
DE1013330B (en) 1957-08-08

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