DK141148B - Linjeforstærker. - Google Patents

Linjeforstærker. Download PDF

Info

Publication number
DK141148B
DK141148B DK143272AA DK143272A DK141148B DK 141148 B DK141148 B DK 141148B DK 143272A A DK143272A A DK 143272AA DK 143272 A DK143272 A DK 143272A DK 141148 B DK141148 B DK 141148B
Authority
DK
Denmark
Prior art keywords
amplifier
control voltage
frequency
control
line amplifier
Prior art date
Application number
DK143272AA
Other languages
Danish (da)
English (en)
Other versions
DK141148C (nl
Inventor
Willem Van Doorn
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of DK141148B publication Critical patent/DK141148B/da
Application granted granted Critical
Publication of DK141148C publication Critical patent/DK141148C/da

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G1/00—Details of arrangements for controlling amplification
    • H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
    • H03G1/0035—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements
    • H03G1/0052—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements using diodes
    • H03G1/0064—Variable capacitance diodes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/04—Control of transmission; Equalising
    • H04B3/10—Control of transmission; Equalising by pilot signal
    • H04B3/12—Control of transmission; Equalising by pilot signal in negative-feedback path of line amplifier

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
DK143272AA 1971-03-27 1972-03-24 Linjeforstærker. DK141148B (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL7104149 1971-03-27
NL7104149.A NL162278C (nl) 1971-03-27 1971-03-27 Lijnversterker.

Publications (2)

Publication Number Publication Date
DK141148B true DK141148B (da) 1980-01-21
DK141148C DK141148C (nl) 1980-07-07

Family

ID=19812789

Family Applications (1)

Application Number Title Priority Date Filing Date
DK143272AA DK141148B (da) 1971-03-27 1972-03-24 Linjeforstærker.

Country Status (13)

Country Link
US (1) US3774118A (nl)
JP (1) JPS519243B1 (nl)
AT (1) AT312687B (nl)
AU (1) AU467706B2 (nl)
BE (1) BE781306A (nl)
CA (1) CA953377A (nl)
CH (1) CH546519A (nl)
DE (1) DE2211325C3 (nl)
DK (1) DK141148B (nl)
FR (1) FR2132083B1 (nl)
GB (1) GB1376954A (nl)
NL (1) NL162278C (nl)
SE (1) SE368495B (nl)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2204333A5 (nl) * 1972-10-20 1974-05-17 Thomson Csf
DE2729664C3 (de) * 1977-06-30 1987-09-10 Siemens AG, 1000 Berlin und 8000 München Leitungsverstärker
GB2317517B (en) * 1996-09-20 2001-03-14 Nokia Mobile Phones Ltd Amplifier system
US8246384B1 (en) * 2008-07-25 2012-08-21 Wallace Henry B Variable capacitance audio cable
JP2022159093A (ja) * 2021-03-31 2022-10-17 スカイワークス ソリューションズ，インコーポレイテッド 利得変動が低減される電力増幅

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA879264A (en) * 1971-08-24 Takizawa Haruki Temperature control of a jacketed-chamber of melt-spinning machine
DE1248704B (nl) * 1967-08-31
US2337423A (en) * 1942-10-01 1943-12-21 Bell Telephone Labor Inc Negative feed-back amplifier
NL97462C (nl) * 1953-07-24
GB979068A (en) * 1961-05-11 1965-01-01 Blonder Tongue Elect Variable-gain transistor circuit
GB1114949A (en) * 1967-01-04 1968-05-22 Standard Telephones Cables Ltd Negative feedback amplifiers
NL148461B (nl) * 1967-11-06 1976-01-15 Philips Nv Inrichting met een transistorversterker bevattende een ingangsversterkertrap en een eindversterkertrap.
DE1907579B2 (de) * 1969-02-14 1972-11-02 Siemens AG, 1000 Berlin u. 8000 München Regelbarer, gegengekoppelter verstaerker
DE1930926C3 (de) * 1969-06-19 1974-01-24 Siemens Ag, 1000 Berlin U. 8000 Muenchen Geregelter Verstärker
JPS527304B1 (nl) * 1969-08-29 1977-03-01
GB1300392A (en) * 1969-10-24 1972-12-20 Marconi Instruments Ltd Improvements in or relating to adjustable frequency generator equipments and adaptors therefor

Also Published As

Publication number Publication date
AU467706B2 (en) 1973-10-25
NL162278C (nl) 1980-04-15
DE2211325B2 (de) 1976-07-08
DK141148C (nl) 1980-07-07
AT312687B (de) 1974-01-10
NL7104149A (nl) 1972-09-29
US3774118A (en) 1973-11-20
DE2211325A1 (de) 1972-10-12
GB1376954A (en) 1974-12-11
CH546519A (de) 1974-02-28
AU4019372A (en) 1973-10-25
DE2211325C3 (de) 1983-01-05
BE781306A (fr) 1972-09-27
CA953377A (en) 1974-08-20
FR2132083A1 (nl) 1972-11-17
NL162278B (nl) 1979-11-15
SE368495B (nl) 1974-07-01
FR2132083B1 (nl) 1977-04-01
JPS519243B1 (nl) 1976-03-25

Similar Documents

Publication Publication Date Title
US1315539A (en) carson
US3671886A (en) Method and apparatus for automatic gain control
US3042759A (en) Negative impedance repeaters
US2870271A (en) Automatic transmission regulation
DK141148B (da) Linjeforstærker.
US2412995A (en) Amplifier of electromagnetic energy
US5517035A (en) Broadband optical receiver with transformer coupled input circuit which is balanced to minimize stray capacitances
US3461394A (en) Multistage wide-band transistor amplifier
US4028505A (en) Negative impedance repeater for telephone lines
US3079568A (en) Broad band amplifier
US2594019A (en) Current supply apparatus
US2920291A (en) Signal transmission systems
US4037066A (en) Repeater for transmission lines
US3737774A (en) Automatic level control device for use in telecommunication systems
US3388337A (en) Hybrid balanced push-pull amplifier
US4423391A (en) Equalizer circuit for communication signals
US3814866A (en) Negative resistance repeater
US2231542A (en) Transmission control circuit
US2428363A (en) Negative feed-back amplifier
US3601718A (en) Voltage-controlled attenuator and balanced mixer
US2223161A (en) Negative feedback amplifier circuit
US1895542A (en) Pilot channel indicating system
US4387277A (en) Four wire to two wire converter
US3492595A (en) Negative feedback amplifiers
US3414687A (en) Transmission system having a plurality of separate parallel transmission lines and common control of intermediate repeater stations in the transmission lines

Legal Events

Date Code Title Description
PBP Patent lapsed