IT949935B - Disposizione circuitale per la conversione di freuqenza di se gnali di comunicazioni elettriche - Google Patents

Disposizione circuitale per la conversione di freuqenza di se gnali di comunicazioni elettriche

Info

Publication number
IT949935B
IT949935B IT21499/72A IT2149972A IT949935B IT 949935 B IT949935 B IT 949935B IT 21499/72 A IT21499/72 A IT 21499/72A IT 2149972 A IT2149972 A IT 2149972A IT 949935 B IT949935 B IT 949935B
Authority
IT
Italy
Prior art keywords
freuqency
gnals
conversion
circuit arrangement
electrical communications
Prior art date
Application number
IT21499/72A
Other languages
English (en)
Italian (it)
Original Assignee
Siemens 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 Siemens Ag filed Critical Siemens Ag
Application granted granted Critical
Publication of IT949935B publication Critical patent/IT949935B/it

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H04J1/02—Details
    • H04J1/04—Frequency-transposition arrangements
    • H04J1/045—Filters applied to frequency transposition
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/46—Filters
    • H03H9/48—Coupling means therefor
    • H03H9/52—Electric coupling means

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Amplitude Modulation (AREA)
IT21499/72A 1971-03-12 1972-03-07 Disposizione circuitale per la conversione di freuqenza di se gnali di comunicazioni elettriche IT949935B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712112041 DE2112041A1 (de) 1971-03-12 1971-03-12 Schaltungsanordnung zur Frequenzumsetzung elektrischer Nachrichtensignale

Publications (1)

Publication Number Publication Date
IT949935B true IT949935B (it) 1973-06-11

Family

ID=5801402

Family Applications (1)

Application Number Title Priority Date Filing Date
IT21499/72A IT949935B (it) 1971-03-12 1972-03-07 Disposizione circuitale per la conversione di freuqenza di se gnali di comunicazioni elettriche

Country Status (10)

Country Link
AT (1) AT310816B (fr)
AU (1) AU463059B2 (fr)
BE (1) BE780534A (fr)
DE (1) DE2112041A1 (fr)
FR (1) FR2128816B1 (fr)
GB (1) GB1334650A (fr)
IL (1) IL38922A (fr)
IT (1) IT949935B (fr)
NL (1) NL150638B (fr)
YU (1) YU34949B (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2453122A1 (de) * 1974-11-08 1976-05-20 Siemens Ag Filter fuer elektrische schwingungen

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE868933C (de) * 1943-10-07 1953-03-02 Aeg Modulationseinrichtung mit nach- bzw. vorgeschaltetem Filter zur Unterdrueckung eines Seitenbandes
CH491545A (de) * 1968-05-29 1970-05-31 Siemens Ag Elektromechanisches Filter

Also Published As

Publication number Publication date
AT310816B (de) 1973-10-25
AU3995672A (en) 1973-09-20
AU463059B2 (en) 1975-06-21
IL38922A0 (en) 1972-05-30
IL38922A (en) 1975-10-15
YU63372A (en) 1979-10-31
DE2112041B2 (fr) 1974-12-19
BE780534A (fr) 1972-09-11
NL150638B (nl) 1976-08-16
FR2128816B1 (fr) 1976-06-11
FR2128816A1 (fr) 1972-10-20
NL7203266A (fr) 1972-09-14
YU34949B (en) 1980-04-30
GB1334650A (en) 1973-10-24
DE2112041A1 (de) 1972-09-28

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