IL38922A - Coupling arrangement between electromechanical filter and symmetrical electronic modulator in frequency transposition communication systems - Google Patents

Coupling arrangement between electromechanical filter and symmetrical electronic modulator in frequency transposition communication systems

Info

Publication number
IL38922A
IL38922A IL38922A IL3892272A IL38922A IL 38922 A IL38922 A IL 38922A IL 38922 A IL38922 A IL 38922A IL 3892272 A IL3892272 A IL 3892272A IL 38922 A IL38922 A IL 38922A
Authority
IL
Israel
Prior art keywords
communication systems
coupling arrangement
frequency transposition
electromechanical filter
electronic modulator
Prior art date
Application number
IL38922A
Other versions
IL38922A0 (en
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
Publication of IL38922A0 publication Critical patent/IL38922A0/en
Publication of IL38922A publication Critical patent/IL38922A/en

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)
IL38922A 1971-03-12 1972-03-07 Coupling arrangement between electromechanical filter and symmetrical electronic modulator in frequency transposition communication systems IL38922A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712112041 DE2112041A1 (en) 1971-03-12 1971-03-12 Circuit arrangement for the frequency conversion of electrical communication signals

Publications (2)

Publication Number Publication Date
IL38922A0 IL38922A0 (en) 1972-05-30
IL38922A true IL38922A (en) 1975-10-15

Family

ID=5801402

Family Applications (1)

Application Number Title Priority Date Filing Date
IL38922A IL38922A (en) 1971-03-12 1972-03-07 Coupling arrangement between electromechanical filter and symmetrical electronic modulator in frequency transposition communication systems

Country Status (10)

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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2453122A1 (en) * 1974-11-08 1976-05-20 Siemens Ag FILTER FOR ELECTRIC VIBRATIONS

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE868933C (en) * 1943-10-07 1953-03-02 Aeg Modulation device with a downstream or upstream filter to suppress a sideband
CH491545A (en) * 1968-05-29 1970-05-31 Siemens Ag Electromechanical filter

Also Published As

Publication number Publication date
IT949935B (en) 1973-06-11
YU63372A (en) 1979-10-31
IL38922A0 (en) 1972-05-30
NL7203266A (en) 1972-09-14
AU3995672A (en) 1973-09-20
FR2128816B1 (en) 1976-06-11
AT310816B (en) 1973-10-25
GB1334650A (en) 1973-10-24
AU463059B2 (en) 1975-06-21
FR2128816A1 (en) 1972-10-20
BE780534A (en) 1972-09-11
DE2112041B2 (en) 1974-12-19
NL150638B (en) 1976-08-16
YU34949B (en) 1980-04-30
DE2112041A1 (en) 1972-09-28

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