FR2345860A1 - Circuit telephonique electronique protege a faible impedance d'entree - Google Patents

Circuit telephonique electronique protege a faible impedance d'entree

Info

Publication number
FR2345860A1
FR2345860A1 FR7708715A FR7708715A FR2345860A1 FR 2345860 A1 FR2345860 A1 FR 2345860A1 FR 7708715 A FR7708715 A FR 7708715A FR 7708715 A FR7708715 A FR 7708715A FR 2345860 A1 FR2345860 A1 FR 2345860A1
Authority
FR
France
Prior art keywords
circuit
frequency response
input impedance
low input
response compensation
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.)
Withdrawn
Application number
FR7708715A
Other languages
English (en)
Inventor
Miroslav Marc
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.)
ISKRA
Original Assignee
ISKRA
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
Priority claimed from YU76676A external-priority patent/YU36589B/xx
Priority claimed from YU164176A external-priority patent/YU164176A/xx
Application filed by ISKRA filed Critical ISKRA
Publication of FR2345860A1 publication Critical patent/FR2345860A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/738—Interface circuits for coupling substations to external telephone lines
    • H04M1/76—Compensating for differences in line impedance

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
FR7708715A 1976-03-24 1977-03-23 Circuit telephonique electronique protege a faible impedance d'entree Withdrawn FR2345860A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
YU76676A YU36589B (en) 1976-03-24 1976-03-24 Electronic telephone set a low-ohmic input
YU164176A YU164176A (en) 1976-07-05 1976-07-05 Circuit diagram for protecting telephone terminals and othher devices

Publications (1)

Publication Number Publication Date
FR2345860A1 true FR2345860A1 (fr) 1977-10-21

Family

ID=27130757

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7708715A Withdrawn FR2345860A1 (fr) 1976-03-24 1977-03-23 Circuit telephonique electronique protege a faible impedance d'entree

Country Status (3)

Country Link
DE (1) DE2713070A1 (fr)
FR (1) FR2345860A1 (fr)
SE (1) SE431386B (fr)

Also Published As

Publication number Publication date
SE431386B (sv) 1984-01-30
DE2713070A1 (de) 1977-09-29
SE7703344L (sv) 1977-09-25

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Legal Events

Date Code Title Description
ST Notification of lapse