FR1339862A - Amplificateur à transistor symétrique - Google Patents

Amplificateur à transistor symétrique

Info

Publication number
FR1339862A
FR1339862A FR915900A FR915900A FR1339862A FR 1339862 A FR1339862 A FR 1339862A FR 915900 A FR915900 A FR 915900A FR 915900 A FR915900 A FR 915900A FR 1339862 A FR1339862 A FR 1339862A
Authority
FR
France
Prior art keywords
transistor amplifier
balanced transistor
balanced
amplifier
transistor
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
FR915900A
Other languages
English (en)
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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 Western Electric Co Inc filed Critical Western Electric Co Inc
Application granted granted Critical
Publication of FR1339862A publication Critical patent/FR1339862A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/181—Low-frequency amplifiers, e.g. audio preamplifiers
    • H03F3/183—Low-frequency amplifiers, e.g. audio preamplifiers with semiconductor devices only
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Power Engineering (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
  • Devices For Supply Of Signal Current (AREA)
FR915900A 1961-12-12 1962-11-19 Amplificateur à transistor symétrique Expired FR1339862A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US15875961A 1961-12-12 1961-12-12

Publications (1)

Publication Number Publication Date
FR1339862A true FR1339862A (fr) 1963-10-11

Family

ID=22569584

Family Applications (1)

Application Number Title Priority Date Filing Date
FR915900A Expired FR1339862A (fr) 1961-12-12 1962-11-19 Amplificateur à transistor symétrique

Country Status (5)

Country Link
US (1) US3172960A (fr)
BE (1) BE625902A (fr)
DE (1) DE1180419B (fr)
FR (1) FR1339862A (fr)
GB (1) GB1029569A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3519765A (en) * 1967-02-02 1970-07-07 Seismograph Service Corp Bidirectional amplifier
US3733441A (en) * 1971-06-14 1973-05-15 Electro Voice Ambipolar microphone unit
US4151376A (en) * 1977-01-24 1979-04-24 Walker Equipment & Service Co. Amplifier for telephone handset

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2763832A (en) * 1951-07-28 1956-09-18 Bell Telephone Labor Inc Semiconductor circuit controlling device
NL179583B (nl) * 1952-07-18 Janssen Pharmaceutica Nv Werkwijze ter bereiding van een geneesmiddel met anti-inflammatoire werking, en werkwijze ter bereiding van geneeskrachtige aroyl-gesubstitueerde fenylazijnzuurderivaten.
US2924727A (en) * 1953-05-27 1960-02-09 Jr Walter H Manning Transistor power supply
US2785231A (en) * 1954-02-25 1957-03-12 Bell Telephone Labor Inc Telephone set with amplifier
US2816238A (en) * 1955-08-18 1957-12-10 Gen Dynamics Corp Electronic switches
US2810081A (en) * 1955-09-27 1957-10-15 Gen Dynamics Corp Electronic switch for selectively blocking or permitting the simultaneous transmission of signals in two channels
US2976431A (en) * 1959-06-22 1961-03-21 Gen Dynamics Corp Blocking oscillator controlled twotransistor bilateral switch

Also Published As

Publication number Publication date
GB1029569A (en) 1966-05-18
DE1180419B (de) 1964-10-29
US3172960A (en) 1965-03-09
BE625902A (fr)

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