FI68744C - Balanserat foerstaerkarutgaongssteg - Google Patents

Balanserat foerstaerkarutgaongssteg Download PDF

Info

Publication number
FI68744C
FI68744C FI801241A FI801241A FI68744C FI 68744 C FI68744 C FI 68744C FI 801241 A FI801241 A FI 801241A FI 801241 A FI801241 A FI 801241A FI 68744 C FI68744 C FI 68744C
Authority
FI
Finland
Prior art keywords
transistor
collector
emitter
transistors
coupled
Prior art date
Application number
FI801241A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI68744B (fi
FI801241A7 (fi
Inventor
Bengt Olof Berg
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of FI801241A7 publication Critical patent/FI801241A7/fi
Publication of FI68744B publication Critical patent/FI68744B/sv
Application granted granted Critical
Publication of FI68744C publication Critical patent/FI68744C/sv

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
    • H04M1/6016—Substation equipment, e.g. for use by subscribers including speech amplifiers in the receiver circuit

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
FI801241A 1979-05-04 1980-04-18 Balanserat foerstaerkarutgaongssteg FI68744C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE7903931 1979-05-04
SE7903931A SE417048B (sv) 1979-05-04 1979-05-04 Balanserat forsterkarutgangssteg

Publications (3)

Publication Number Publication Date
FI801241A7 FI801241A7 (fi) 1980-11-05
FI68744B FI68744B (fi) 1985-06-28
FI68744C true FI68744C (fi) 1985-10-10

Family

ID=20337976

Family Applications (1)

Application Number Title Priority Date Filing Date
FI801241A FI68744C (fi) 1979-05-04 1980-04-18 Balanserat foerstaerkarutgaongssteg

Country Status (8)

Country Link
US (1) US4450412A (da)
EP (1) EP0028229B1 (da)
DE (1) DE3069400D1 (da)
DK (1) DK149789C (da)
FI (1) FI68744C (da)
NO (1) NO147167C (da)
SE (1) SE417048B (da)
WO (1) WO1980002488A1 (da)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1168164B (it) * 1981-08-26 1987-05-20 Ates Componenti Elettron Stadio finale a ponte per un aplificatore audio di ricezione

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1189589B (de) * 1963-11-12 1965-03-25 Philips Nv Transistorgegentaktschaltungsanordnung
US3541465A (en) * 1966-12-28 1970-11-17 Hitachi Ltd Transistor differential amplifier circuit
FR1600222A (da) * 1968-12-31 1970-07-20
US3742377A (en) * 1971-07-08 1973-06-26 Nat Semiconductor Corp Differential amplifier with means for balancing out offset terms
DE2431818A1 (de) * 1974-07-02 1976-01-15 Georg Dipl Ing Figol Nf-leistungsverstaerker
US3947778A (en) * 1974-09-11 1976-03-30 Motorola, Inc. Differential amplifier
JPS5548736B2 (da) * 1975-02-26 1980-12-08
DE2807304C2 (de) * 1978-02-21 1982-07-01 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Schaltungsanordnung zum Verstärken eines in einer aus einer Teilnehmeranschlußleitung gespeisten Endstelle einer Fernmeldeanlage erzeugten Signals

Also Published As

Publication number Publication date
DK149789C (da) 1987-07-13
EP0028229B1 (en) 1984-10-10
FI68744B (fi) 1985-06-28
NO147167C (no) 1983-02-09
SE417048B (sv) 1981-02-16
DK149789B (da) 1986-09-29
DK1481A (da) 1981-01-02
NO147167B (no) 1982-11-01
WO1980002488A1 (en) 1980-11-13
US4450412A (en) 1984-05-22
SE7903931L (sv) 1980-11-05
NO803963L (no) 1980-12-30
FI801241A7 (fi) 1980-11-05
DE3069400D1 (en) 1984-11-15
EP0028229A1 (en) 1981-05-13

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Legal Events

Date Code Title Description
MA Patent expired

Owner name: OY L M ERICSSON AB