SE438404B - Frekvensdiskrimineringsanordning - Google Patents

Frekvensdiskrimineringsanordning

Info

Publication number
SE438404B
SE438404B SE7908774A SE7908774A SE438404B SE 438404 B SE438404 B SE 438404B SE 7908774 A SE7908774 A SE 7908774A SE 7908774 A SE7908774 A SE 7908774A SE 438404 B SE438404 B SE 438404B
Authority
SE
Sweden
Prior art keywords
frequency
circuit
signal
fine tuning
tuned
Prior art date
Application number
SE7908774A
Other languages
English (en)
Swedish (sv)
Other versions
SE7908774L (sv
Inventor
W G Gibson
F C-S Liu
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 SE7908774L publication Critical patent/SE7908774L/
Publication of SE438404B publication Critical patent/SE438404B/sv

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03JTUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/02Automatic frequency control
    • H03J7/04Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03DDEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D3/00Demodulation of angle-, frequency- or phase- modulated oscillations
    • H03D3/26Demodulation of angle-, frequency- or phase- modulated oscillations by means of sloping amplitude/frequency characteristic of tuned or reactive circuit
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03LAUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00Automatic control of frequency or phase; Synchronisation
    • H03L7/02Automatic control of frequency or phase; Synchronisation using a frequency discriminator comprising a passive frequency-determining element

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Television Receiver Circuits (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Superheterodyne Receivers (AREA)
  • Networks Using Active Elements (AREA)
SE7908774A 1978-10-30 1979-10-23 Frekvensdiskrimineringsanordning SE438404B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US95551678A 1978-10-30 1978-10-30

Publications (2)

Publication Number Publication Date
SE7908774L SE7908774L (sv) 1980-05-01
SE438404B true SE438404B (sv) 1985-04-15

Family

ID=25496924

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7908774A SE438404B (sv) 1978-10-30 1979-10-23 Frekvensdiskrimineringsanordning

Country Status (14)

Country Link
US (1) US4321624A (it)
JP (1) JPS5561147A (it)
KR (1) KR820002355B1 (it)
AU (1) AU536636B2 (it)
CA (1) CA1135403A (it)
DE (1) DE2943801C2 (it)
ES (1) ES485498A1 (it)
FI (1) FI793290A7 (it)
FR (1) FR2440654A1 (it)
GB (1) GB2034545B (it)
IT (1) IT1124686B (it)
NZ (1) NZ191962A (it)
PL (1) PL125477B1 (it)
SE (1) SE438404B (it)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
HU182370B (en) * 1981-08-25 1983-12-28 Tavkoezlesi Kutato Intezet Arrangement for resetting carrier
US9490963B2 (en) 2013-02-04 2016-11-08 Kumu Networks, Inc. Signal cancellation using feedforward and feedback paths
US9698860B2 (en) 2013-08-09 2017-07-04 Kumu Networks, Inc. Systems and methods for self-interference canceller tuning
CN105556860B (zh) 2013-08-09 2018-04-03 库姆网络公司 用于非线性数字自干扰消除的系统以及方法
US9054795B2 (en) 2013-08-14 2015-06-09 Kumu Networks, Inc. Systems and methods for phase noise mitigation
US10673519B2 (en) 2013-08-29 2020-06-02 Kuma Networks, Inc. Optically enhanced self-interference cancellation
EP3039798A4 (en) 2013-08-29 2017-05-03 Kumu Networks, Inc. Full-duplex relays
US9520983B2 (en) 2013-09-11 2016-12-13 Kumu Networks, Inc. Systems for delay-matched analog self-interference cancellation
US9774405B2 (en) 2013-12-12 2017-09-26 Kumu Networks, Inc. Systems and methods for frequency-isolated self-interference cancellation
US10230422B2 (en) 2013-12-12 2019-03-12 Kumu Networks, Inc. Systems and methods for modified frequency-isolation self-interference cancellation
US9712312B2 (en) * 2014-03-26 2017-07-18 Kumu Networks, Inc. Systems and methods for near band interference cancellation
US9521023B2 (en) 2014-10-17 2016-12-13 Kumu Networks, Inc. Systems for analog phase shifting
US9712313B2 (en) 2014-11-03 2017-07-18 Kumu Networks, Inc. Systems for multi-peak-filter-based analog self-interference cancellation
US9673854B2 (en) 2015-01-29 2017-06-06 Kumu Networks, Inc. Method for pilot signal based self-inteference cancellation tuning
US9634823B1 (en) 2015-10-13 2017-04-25 Kumu Networks, Inc. Systems for integrated self-interference cancellation
US9742593B2 (en) 2015-12-16 2017-08-22 Kumu Networks, Inc. Systems and methods for adaptively-tuned digital self-interference cancellation
US9800275B2 (en) 2015-12-16 2017-10-24 Kumu Networks, Inc. Systems and methods for out-of band-interference mitigation
CN108370082B (zh) 2015-12-16 2021-01-08 库姆网络公司 时延滤波器
US10666305B2 (en) 2015-12-16 2020-05-26 Kumu Networks, Inc. Systems and methods for linearized-mixer out-of-band interference mitigation
US10454444B2 (en) 2016-04-25 2019-10-22 Kumu Networks, Inc. Integrated delay modules
WO2017189592A1 (en) 2016-04-25 2017-11-02 Kumu Networks, Inc. Integrated delay modules
US10103774B1 (en) 2017-03-27 2018-10-16 Kumu Networks, Inc. Systems and methods for intelligently-tuned digital self-interference cancellation
WO2018183352A1 (en) 2017-03-27 2018-10-04 Kumu Networks, Inc. Enhanced linearity mixer
US10236922B2 (en) 2017-03-27 2019-03-19 Kumu Networks, Inc. Systems and methods for tunable out-of-band interference mitigation
US10200076B1 (en) 2017-08-01 2019-02-05 Kumu Networks, Inc. Analog self-interference cancellation systems for CMTS
WO2019169047A1 (en) 2018-02-27 2019-09-06 Kumu Networks, Inc. Systems and methods for configurable hybrid self-interference cancellation
US10868661B2 (en) 2019-03-14 2020-12-15 Kumu Networks, Inc. Systems and methods for efficiently-transformed digital self-interference cancellation

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB453858A (en) 1935-03-19 1936-09-21 Murphy Radio Ltd Noise suppression and tuning correction in radio receivers
US2550510A (en) 1949-06-03 1951-04-24 Gen Electric Frequency modulation detector circuit
GB762770A (en) 1953-10-28 1956-12-05 Gen Electric Co Ltd Improvements in or relating to electric frequency discriminators
GB821484A (en) 1957-02-21 1959-10-07 Collins Radio Co Frequency and phase discriminator
GB916160A (en) 1958-03-29 1963-01-23 Emi Ltd Improvements in or relating to frequency discriminator circuits
USRE25436E (en) 1959-01-15 1963-08-27 chasek
GB1105114A (en) 1964-04-13 1968-03-06 Kokusai Electric Co Ltd Electromechanical resonators and electric circuit devices utilizing the same
US3502988A (en) * 1966-09-08 1970-03-24 Philco Ford Corp Tuning circuit including a signal-controlled variable capacitance device
BE711338A (it) * 1967-03-02 1968-07-01
US3444477A (en) * 1967-06-26 1969-05-13 Rca Corp Automatic frequency control apparatus especially suitable for integrated circuit fabrication
US3577008A (en) * 1969-01-22 1971-05-04 Rca Corp Automatic frequency control apparatus
GB1260525A (en) 1969-03-31 1972-01-19 Zenith Radio Corp An acoustic electric filter system
US3750027A (en) 1970-08-12 1973-07-31 Texas Instruments Inc Surface wave frequency discriminators
FR2167405B1 (it) 1972-01-14 1976-06-11 Thomson Csf
NL173342C (nl) * 1973-08-03 1984-06-18 Philips Nv Televisieontvanger met een automatische afstemcorrectieschakeling.

Also Published As

Publication number Publication date
US4321624A (en) 1982-03-23
FI793290A7 (fi) 1981-01-01
FR2440654A1 (fr) 1980-05-30
AU536636B2 (en) 1984-05-17
DE2943801A1 (de) 1980-05-14
CA1135403A (en) 1982-11-09
GB2034545B (en) 1983-05-11
GB2034545A (en) 1980-06-04
JPS5561147A (en) 1980-05-08
AU5205479A (en) 1980-05-08
ES485498A1 (es) 1980-05-16
IT7926842A0 (it) 1979-10-26
SE7908774L (sv) 1980-05-01
FR2440654B1 (it) 1983-04-29
KR820002355B1 (ko) 1982-12-23
IT1124686B (it) 1986-05-14
NZ191962A (en) 1983-05-31
PL219324A1 (it) 1980-08-11
PL125477B1 (en) 1983-05-31
DE2943801C2 (de) 1986-01-16

Similar Documents

Publication Publication Date Title
SE438404B (sv) Frekvensdiskrimineringsanordning
EP0198550B1 (en) Tunable oscillator circuit
FI64257C (fi) Reglerad oskillator
US4234858A (en) Voltage controlled oscillator with phase control circuits
US3999138A (en) Detector for AM-FM signals
US20050253659A1 (en) Current-controlled quadrature oscillator using differential gm/C cells incorporating amplitude limiters
KR20010051148A (ko) 개선된 90°이상기
KR840000112B1 (ko) 텔레비젼 신호처리장치
US5663690A (en) Constant high Q voltage controlled oscillator
US3444477A (en) Automatic frequency control apparatus especially suitable for integrated circuit fabrication
US4342000A (en) FM Detecting circuit
HK75292A (en) Circuit arrangement for an fm receiver
US4066983A (en) Voltage controlled Clapp oscillator having output isolated from tuned circuit
US5714915A (en) Oscillator
US20030112080A1 (en) Temperature compensation device and electronic apparatus comprising such a device
KR910001644B1 (ko) 전압 제어발진기
US4220974A (en) AFT circuit
US2412039A (en) Frequency modulation receiving apparatus
US4119919A (en) Frequency discriminator circuit
KR850000315B1 (ko) 위상보상 제어발진기
US4201946A (en) AM-FM Detector circuit stabilized against fabrication and temperature variations
US2250526A (en) Oscillator control circuit
US3256489A (en) Amplitude dependent zero shift reduction for frequency discriminators
US3609554A (en) Circuit arrangement for switching an electrical signal
JPH09186527A (ja) 周波数変調された信号を復調するための移相固定ループタイプの装置

Legal Events

Date Code Title Description
NUG Patent has lapsed

Ref document number: 7908774-8

Effective date: 19880627

Format of ref document f/p: F