DK142259B - Amplitudedemodulator for fjernsynssignaler. - Google Patents

Amplitudedemodulator for fjernsynssignaler. Download PDF

Info

Publication number
DK142259B
DK142259B DK101770AA DK101770A DK142259B DK 142259 B DK142259 B DK 142259B DK 101770A A DK101770A A DK 101770AA DK 101770 A DK101770 A DK 101770A DK 142259 B DK142259 B DK 142259B
Authority
DK
Denmark
Prior art keywords
transistor
circuit
base
emitter
resistor
Prior art date
Application number
DK101770AA
Other languages
Danish (da)
English (en)
Other versions
DK142259C (de
Inventor
Jack Rudolph Harford
Original Assignee
Rca Corp
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 Rca Corp filed Critical Rca Corp
Publication of DK142259B publication Critical patent/DK142259B/da
Application granted granted Critical
Publication of DK142259C publication Critical patent/DK142259C/da

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03DDEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D1/00Demodulation of amplitude-modulated oscillations
    • H03D1/14Demodulation of amplitude-modulated oscillations by means of non-linear elements having more than two poles
    • H03D1/18Demodulation of amplitude-modulated oscillations by means of non-linear elements having more than two poles of semiconductor devices
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/44Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/455Demodulation-circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Power Engineering (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
  • Picture Signal Circuits (AREA)
  • Networks Using Active Elements (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
DK101770AA 1969-03-03 1970-03-02 Amplitudedemodulator for fjernsynssignaler. DK142259B (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US80392069A 1969-03-03 1969-03-03
US80392069 1969-03-03

Publications (2)

Publication Number Publication Date
DK142259B true DK142259B (da) 1980-09-29
DK142259C DK142259C (de) 1981-03-09

Family

ID=25187757

Family Applications (1)

Application Number Title Priority Date Filing Date
DK101770AA DK142259B (da) 1969-03-03 1970-03-02 Amplitudedemodulator for fjernsynssignaler.

Country Status (16)

Country Link
US (1) US3560865A (de)
JP (1) JPS5136585B1 (de)
AT (1) AT310827B (de)
BE (1) BE746807A (de)
BR (1) BR7016970D0 (de)
CA (1) CA950545A (de)
DE (1) DE2009920B2 (de)
DK (1) DK142259B (de)
ES (1) ES377087A1 (de)
FI (1) FI49231C (de)
FR (1) FR2031314A5 (de)
GB (1) GB1298272A (de)
IL (1) IL33914A (de)
MY (1) MY7300502A (de)
NL (1) NL170213C (de)
SE (1) SE363017B (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4004244A (en) * 1975-05-27 1977-01-18 Rca Corporation Dynamic current supply
JPS5737905A (en) * 1980-08-14 1982-03-02 Toshiba Corp Envelope curve wave detecting circuit
US4383273A (en) * 1980-12-29 1983-05-10 Motorola, Inc. Large scale, single chip integrated circuit television receiver subsystems
JPH0547634U (ja) * 1991-12-02 1993-06-25 大阪瓦斯株式会社 三方弁
GB0103082D0 (en) * 2001-02-08 2001-03-28 Pace Micro Tech Plc Self compensating amplifier and driver

Also Published As

Publication number Publication date
IL33914A (en) 1972-12-29
FR2031314A5 (de) 1970-11-13
JPS5136585B1 (de) 1976-10-09
DE2009920A1 (de) 1970-09-24
NL7002931A (de) 1970-09-07
FI49231C (fi) 1975-04-10
NL170213C (nl) 1982-10-01
MY7300502A (en) 1973-12-31
US3560865A (en) 1971-02-02
SE363017B (de) 1973-12-27
BE746807A (fr) 1970-08-17
IL33914A0 (en) 1970-04-20
CA950545A (en) 1974-07-02
DK142259C (de) 1981-03-09
BR7016970D0 (pt) 1973-01-11
NL170213B (nl) 1982-05-03
FI49231B (de) 1974-12-31
ES377087A1 (es) 1972-06-01
AT310827B (de) 1973-10-25
GB1298272A (en) 1972-11-29
DE2009920B2 (de) 1972-05-18

Similar Documents

Publication Publication Date Title
US4118731A (en) Video amplifier with suppressed radio frequency radiation
RU2140705C1 (ru) Каскад усилителя с регулируемым усилением, усилитель с регулируемым усилением, телевизионный приемник
CA1145421A (en) Gain controlled amplifier and pin diode for use therein
US4492926A (en) Amplitude modulation detector
US20090174483A1 (en) Gain-controlled low noise amplifier means
JPH06350337A (ja) 発振器
DK142259B (da) Amplitudedemodulator for fjernsynssignaler.
NZ196875A (en) Gain controlled amplifier:gain control current varies load impedance at collector of amplifying transistor
JP3636569B2 (ja) 光伝送装置
US11050392B2 (en) Bias device
US5859674A (en) Tuning circuit for a receiver, particularly a television receiver
US5565823A (en) Voltage controlled attenuator using PN diodes
KR960008579B1 (ko) 광전자집적회로소자
US3678405A (en) Amplifier-limiter circuit with reduced am to pm conversion
DK144579B (da) Forstaerker navnlig audioforstaerker til fjernsynsmodtagere
CA1292557C (en) Video display driver apparatus
DK157966B (da) Forstaerker med indstillelig forstaerkningsgrad
US3604843A (en) Amplifier circuits
SE451289B (sv) Anordning for att forhindra utlasning vid automatisk finavstemning
US4201946A (en) AM-FM Detector circuit stabilized against fabrication and temperature variations
US3510579A (en) Transistorized automatic-gain-controlled amplifier
JP4422245B2 (ja) 光受信装置
JP3106437B2 (ja) 光電子集積回路素子
US4367491A (en) Video signal recovery system
US3486120A (en) Cross modulation rejection system