FR859258A - Assembly of electronic tubes - Google Patents

Assembly of electronic tubes

Info

Publication number
FR859258A
FR859258A FR859258DA FR859258A FR 859258 A FR859258 A FR 859258A FR 859258D A FR859258D A FR 859258DA FR 859258 A FR859258 A FR 859258A
Authority
FR
France
Prior art keywords
assembly
electronic tubes
tubes
electronic
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
Other languages
French (fr)
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.)
Alcatel Lucent Deutschland AG
C Lorenz AG
Original Assignee
Standard Elektrik Lorenz AG
C Lorenz 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 Standard Elektrik Lorenz AG, C Lorenz AG filed Critical Standard Elektrik Lorenz AG
Application granted granted Critical
Publication of FR859258A publication Critical patent/FR859258A/en
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
    • H03F3/189—High-frequency amplifiers, e.g. radio frequency amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/34—Negative-feedback-circuit arrangements with or without positive feedback
    • H03F1/36—Negative-feedback-circuit arrangements with or without positive feedback in discharge-tube amplifiers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/1638—Special circuits to enhance selectivity of receivers not otherwise provided for

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
FR859258D 1938-08-28 1939-08-22 Assembly of electronic tubes Expired FR859258A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEL95480D DE756556C (en) 1938-08-28 1938-08-28 Tube amplifier stage for selective voltage amplification

Publications (1)

Publication Number Publication Date
FR859258A true FR859258A (en) 1940-12-14

Family

ID=7288115

Family Applications (1)

Application Number Title Priority Date Filing Date
FR859258D Expired FR859258A (en) 1938-08-28 1939-08-22 Assembly of electronic tubes

Country Status (2)

Country Link
DE (1) DE756556C (en)
FR (1) FR859258A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1213013B (en) * 1962-03-21 1966-03-24 Telefonbau Circuit arrangement for evaluating an audio-frequency selective call signal of a certain frequency in telecommunication systems, in particular emergency call systems

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1397575A (en) * 1915-04-09 1921-11-22 Forest Radio Telephone And Tel Selective audion-amplifier
FR589875A (en) * 1925-01-17 1925-06-06 Soc Et Liaisons Telephoniques Method and devices for increasing the amplification or detection effect of relays
FR597580A (en) * 1925-05-04 1925-11-24 Soc Et Liaisons Telephoniques Method and devices for varying the amplifying or sensing effects of relays, and their applications
DE551589C (en) * 1927-05-09 1932-06-09 Pour Liaisons Telephoniques Et Tube circuit for constant amplification of frequency bands
GB337830A (en) * 1929-06-08 1930-11-10 Radio Frequency Lab Inc Electrical amplifier circuits
GB387050A (en) * 1931-10-21 1933-02-02 William Troutbeck Sanderson Improvements relating to thermionic amplifying apparatus
DE713395C (en) * 1938-01-14 1941-11-06 Telefunken Gmbh Circuit arrangement for suppressing certain frequencies by means of a frequency-dependent counter-coupled amplifier

Also Published As

Publication number Publication date
DE756556C (en) 1954-06-08

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