ZA873877B - Short-wave transmitters - Google Patents

Short-wave transmitters

Info

Publication number
ZA873877B
ZA873877B ZA873877A ZA873877A ZA873877B ZA 873877 B ZA873877 B ZA 873877B ZA 873877 A ZA873877 A ZA 873877A ZA 873877 A ZA873877 A ZA 873877A ZA 873877 B ZA873877 B ZA 873877B
Authority
ZA
South Africa
Prior art keywords
short
wave transmitters
transmitters
wave
Prior art date
Application number
ZA873877A
Other languages
English (en)
Inventor
Helmut Fuenfgelder
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 ZA873877B publication Critical patent/ZA873877B/xx

Links

Classifications

    • 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
    • H04B1/02—Transmitters
    • H04B1/04—Circuits
    • H04B1/0483—Transmitters with multiple parallel paths
    • 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
    • H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
    • H03F1/0277—Selecting one or more amplifiers from a plurality of amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/60—Amplifiers in which coupling networks have distributed constants, e.g. with waveguide resonators
    • H03F3/602—Combinations of several amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/72—Gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Soft Magnetic Materials (AREA)
  • Transmitters (AREA)
ZA873877A 1986-05-30 1987-05-29 Short-wave transmitters ZA873877B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3618099 1986-05-30

Publications (1)

Publication Number Publication Date
ZA873877B true ZA873877B (en) 1988-01-27

Family

ID=6301878

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA873877A ZA873877B (en) 1986-05-30 1987-05-29 Short-wave transmitters

Country Status (6)

Country Link
EP (1) EP0247615B1 (xx)
DE (1) DE3768703D1 (xx)
IN (1) IN168001B (xx)
NO (1) NO171339C (xx)
TR (1) TR23072A (xx)
ZA (1) ZA873877B (xx)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2693058A1 (fr) * 1992-06-26 1993-12-31 Thomson Csf Etage d'excitation d'un tube d'émission pour émetteur à ondes courtes.
US5973557A (en) * 1996-10-18 1999-10-26 Matsushita Electric Industrial Co., Ltd. High efficiency linear power amplifier of plural frequency bands and high efficiency power amplifier
US7486136B2 (en) * 2006-09-26 2009-02-03 Infineon Technologies Ag Power amplifier

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE501549A (xx) * 1950-03-01
GB1281972A (en) * 1970-03-09 1972-07-19 Decca Ltd Improvements in or relating to non-directional radio beacon
US4367443A (en) * 1980-01-17 1983-01-04 Motorola, Inc. Radio frequency signal power amplifier
NL8105371A (nl) * 1981-11-27 1983-06-16 Philips Nv Inrichting voor het aansturen van een of meer omzeteenheden.

Also Published As

Publication number Publication date
NO171339C (no) 1993-02-24
TR23072A (tr) 1989-02-21
EP0247615A1 (de) 1987-12-02
NO872295D0 (no) 1987-06-01
EP0247615B1 (de) 1991-03-20
IN168001B (xx) 1991-01-19
DE3768703D1 (de) 1991-04-25
NO872295L (no) 1987-12-01
NO171339B (no) 1992-11-16

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