AU3995672A - A circuit arrangement for the frequency inversion of electrical telecommunication signals - Google Patents

A circuit arrangement for the frequency inversion of electrical telecommunication signals

Info

Publication number
AU3995672A
AU3995672A AU39956/72A AU3995672A AU3995672A AU 3995672 A AU3995672 A AU 3995672A AU 39956/72 A AU39956/72 A AU 39956/72A AU 3995672 A AU3995672 A AU 3995672A AU 3995672 A AU3995672 A AU 3995672A
Authority
AU
Australia
Prior art keywords
circuit arrangement
frequency inversion
telecommunication signals
electrical telecommunication
electrical
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
AU39956/72A
Other versions
AU463059B2 (en
Inventor
ALBSMEIER AND JOHANN MACKEL hajjs
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.)
Siemens AG
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 AU3995672A publication Critical patent/AU3995672A/en
Application granted granted Critical
Publication of AU463059B2 publication Critical patent/AU463059B2/en
Expired legal-status Critical Current

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)
AU39956/72A 1971-03-12 1972-03-13 A circuit arrangement for the frequency inversion of electrical telecommunication signals Expired AU463059B2 (en)

Applications Claiming Priority (2)

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
DEDE821120 1971-05-12

Publications (2)

Publication Number Publication Date
AU3995672A true AU3995672A (en) 1973-09-20
AU463059B2 AU463059B2 (en) 1975-06-21

Family

ID=5801402

Family Applications (1)

Application Number Title Priority Date Filing Date
AU39956/72A Expired AU463059B2 (en) 1971-03-12 1972-03-13 A circuit arrangement for the frequency inversion of electrical telecommunication signals

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
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
IL38922A (en) 1975-10-15

Similar Documents

Publication Publication Date Title
CA964594A (en) Muting circuit
CA938670A (en) Electrical circuit arrangement
CA946942A (en) Frequency doubling circuit
CA1001786A (en) Ring-trip circuit
CA947380A (en) Voltage tunable frequency threshold circuit
CA948717A (en) Frequency band-width divider circuit arrangement
CA1008139A (en) Electrical circuit means for detecting the frequency of input signals
AU463059B2 (en) A circuit arrangement for the frequency inversion of electrical telecommunication signals
AU474089B2 (en) Frequency generators
CA945640A (en) Variable frequency pulse generating circuit
CA954189A (en) Precise frequency measuring analog circuit
CA954452A (en) Latching circuit
AU470442B2 (en) Circuit for generating atleast one frequency
CA865857A (en) Frequency divider circuit
CA965461A (en) Vibrator type electrical circuit interrupter
AU462922B2 (en) High frequency receiver
CA886182A (en) Frequency modulation-demodulation circuit
AU477385B2 (en) Radio frequency circuit
CA875676A (en) Frequency control circuit
CA958774A (en) Image frequency suppression circuit
CA868578A (en) Variable frequency signal generator
CA871332A (en) Frequency divisor circuit
CA869701A (en) Electrical tuning of distributed transmission line
CA874052A (en) Tuning circuit arrangement
AU4959172A (en) Radio frequency circuit