CS272229B2 - Amplitude-modulated broadcasting transmitter - Google Patents

Amplitude-modulated broadcasting transmitter Download PDF

Info

Publication number
CS272229B2
CS272229B2 CS877883A CS788387A CS272229B2 CS 272229 B2 CS272229 B2 CS 272229B2 CS 877883 A CS877883 A CS 877883A CS 788387 A CS788387 A CS 788387A CS 272229 B2 CS272229 B2 CS 272229B2
Authority
CS
Czechoslovakia
Prior art keywords
frequency
low
amplitude
input
modulator
Prior art date
Application number
CS877883A
Other languages
Czech (cs)
English (en)
Other versions
CS788387A2 (en
Inventor
Bohumil Kyrian
Wolhelm Tschol
Original Assignee
Bbc Brown Boveri & Cie
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 Bbc Brown Boveri & Cie filed Critical Bbc Brown Boveri & Cie
Publication of CS788387A2 publication Critical patent/CS788387A2/cs
Publication of CS272229B2 publication Critical patent/CS272229B2/cs

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C1/00—Amplitude modulation
    • H03C1/02—Details
    • H03C1/06—Modifications of modulator to reduce distortion, e.g. by feedback, and clearly applicable to more than one type of modulator

Landscapes

  • Transmitters (AREA)
  • Amplifiers (AREA)
  • Amplitude Modulation (AREA)
CS877883A 1986-11-20 1987-11-04 Amplitude-modulated broadcasting transmitter CS272229B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH4660/86A CH671120A5 (zh) 1986-11-20 1986-11-20

Publications (2)

Publication Number Publication Date
CS788387A2 CS788387A2 (en) 1990-03-14
CS272229B2 true CS272229B2 (en) 1991-01-15

Family

ID=4280246

Family Applications (1)

Application Number Title Priority Date Filing Date
CS877883A CS272229B2 (en) 1986-11-20 1987-11-04 Amplitude-modulated broadcasting transmitter

Country Status (14)

Country Link
US (1) US4864635A (zh)
EP (1) EP0271703B1 (zh)
JP (1) JPS63149920A (zh)
CN (1) CN1008039B (zh)
BG (1) BG47800A3 (zh)
CA (1) CA1279900C (zh)
CH (1) CH671120A5 (zh)
CS (1) CS272229B2 (zh)
DE (1) DE3769942D1 (zh)
DK (1) DK608087A (zh)
ES (1) ES2022265B3 (zh)
IN (1) IN170404B (zh)
SU (1) SU1655310A3 (zh)
YU (1) YU208987A (zh)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5175877A (en) * 1990-03-15 1992-12-29 Magnavox Electronic Systems Company Apparatus and method for generating an amplitude modulated rf signal
DE59105864D1 (de) * 1990-12-03 1995-08-03 Siemens Ag Modulationseinrichtung für einen Hf-Leistungsverstärker.
EP0496009A1 (de) * 1991-01-21 1992-07-29 Thomcast Ag AM-Rundfunksender
US5396187A (en) * 1992-08-13 1995-03-07 Cti Pet Systems, Inc. Amplitude-and rise-time-insensitive timing-shaping filters
JP3118419B2 (ja) * 1996-06-07 2000-12-18 株式会社ケンウッド Ａｍデータ多重変調装置
US7095793B2 (en) * 2000-01-07 2006-08-22 Mario Hieb Digital exciter/phasor/transmitter for directional antennal system
CN104506240B (zh) * 2014-12-31 2017-03-29 青岛海信宽带多媒体技术有限公司 一种光模块

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4058769A (en) * 1974-07-05 1977-11-15 Alderman Robert J Modulation system with carrier control
US4088956A (en) * 1976-02-27 1978-05-09 Axman Michael P Automatic modulation percentage control for amplitude modulated transmitters
DE2935445A1 (de) * 1979-08-09 1981-02-26 Bbc Brown Boveri & Cie Nf-leistungsverstaerker
GB2060297B (en) * 1979-08-14 1983-09-01 Marconi Co Ltd Modulating amplifiers
US4295106A (en) * 1979-10-04 1981-10-13 Leonard Kahn Method and means for introducing additional asymmetry into audio waves
CH664655A5 (de) * 1980-12-12 1988-03-15 Patelhold Patentverwertung Verfahren und verstaerkerschaltung zum verstaerken elektrischer signale, insbesondere nf-modulationssignale eines rundfunksenders.
GB2117589B (en) * 1982-03-26 1985-10-16 Philips Electronic Associated Polar loop transmitter
CH666374A5 (de) * 1983-08-12 1988-07-15 Bbc Brown Boveri & Cie Amplitudenmodulierter sender mit steuerung des traegerwertes.
GB2150378B (en) * 1983-11-21 1987-06-03 Philips Electronic Associated Polar loop transmitter
CH666148A5 (de) * 1984-05-10 1988-06-30 Bbc Brown Boveri & Cie Verfahren zur traegersteuerung eines amplitudenmodulierten senders und schaltungsanordnung zur durchfuehrung des verfahrens.

Also Published As

Publication number Publication date
CN87107974A (zh) 1988-06-01
JPS63149920A (ja) 1988-06-22
YU208987A (en) 1989-10-31
SU1655310A3 (ru) 1991-06-07
EP0271703A3 (en) 1988-07-06
EP0271703A2 (de) 1988-06-22
CS788387A2 (en) 1990-03-14
IN170404B (zh) 1992-03-21
ES2022265B3 (es) 1991-12-01
DK608087D0 (da) 1987-11-19
DE3769942D1 (de) 1991-06-13
CN1008039B (zh) 1990-05-16
EP0271703B1 (de) 1991-05-08
CA1279900C (en) 1991-02-05
DK608087A (da) 1988-05-21
US4864635A (en) 1989-09-05
BG47800A3 (en) 1990-09-14
CH671120A5 (zh) 1989-07-31

Similar Documents

Publication Publication Date Title
US7202734B1 (en) Electronically tuned power amplifier
EP1603231B1 (en) RF generator with voltage regulator
US7151818B1 (en) X-Ray tube driver using AM and FM modulation
KR100887116B1 (ko) 고효율 신호 송신기용 ｅ 등급 도허티 증폭기 토포로지
US3652947A (en) Power amplifier including plurality of push-pull amplifier sections having outputs coupled in parallel
GB2229057A (en) Drive network for multichannel amplifiers
JPS62274906A (ja) 高周波増幅器
EP0261813A2 (en) Linearizer for TWT amplifiers
US6535399B2 (en) Tracking power supply controlling
CS272229B2 (en) Amplitude-modulated broadcasting transmitter
Mediano et al. Class-E amplifiers and applications at MF, HF, and VHF: examples and applications
EP0541933B1 (en) Distortion correction for an amplifier system
US4449103A (en) High power class B modulation amplifier for a broadcast transmitter
US20050168204A1 (en) Attenuation control for digital power converters
JP4361621B2 (ja) パルス搬送波信号のｃ級飽和増幅による過度のスペクトル・パワー分布の低減
EP0447002A2 (en) Dual path amplitude modulated RF amplifier
CN1157848C (zh) 用于运行高频功放的方法和装置
WO2017196903A1 (en) Rf class ab cascode amplifier with linearization and steering diodes
CN1701581A (zh) 用于调制高频载波信号的高频电路装置
GB2260871A (en) Controlling amplifier voltage to match impedance to output
RU2057397C1 (ru) Радиопередающее устройство с анодной модуляцией
RU2816509C1 (ru) Канал низкочастотного ключевого усиления
RU2007851C1 (ru) Усилитель класса д на тетроде
RU2007867C1 (ru) Радиопередатчик амплитудно-модулированных сигналов
RU2007869C1 (ru) Радиопередатчик с двухтактным модулятором