ATA880374A - CIRCUIT FOR DETECTING INPUT SIGNALS WITH A FREQUENCY SITUATED WITHIN A PRESETED FREQUENCY RANGE - Google Patents

CIRCUIT FOR DETECTING INPUT SIGNALS WITH A FREQUENCY SITUATED WITHIN A PRESETED FREQUENCY RANGE

Info

Publication number
ATA880374A
ATA880374A AT880374A AT880374A ATA880374A AT A880374 A ATA880374 A AT A880374A AT 880374 A AT880374 A AT 880374A AT 880374 A AT880374 A AT 880374A AT A880374 A ATA880374 A AT A880374A
Authority
AT
Austria
Prior art keywords
frequency
preseted
circuit
input signals
situated
Prior art date
Application number
AT880374A
Other languages
German (de)
Other versions
AT363518B (en
Original Assignee
Gurry George William
Mccarthy Bertram F
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 Gurry George William, Mccarthy Bertram F filed Critical Gurry George William
Publication of ATA880374A publication Critical patent/ATA880374A/en
Application granted granted Critical
Publication of AT363518B publication Critical patent/AT363518B/en

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D1/00—Demodulation of amplitude-modulated oscillations
    • H03D1/22—Homodyne or synchrodyne circuits
    • H03D1/2272—Homodyne or synchrodyne circuits using FET's

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
AT0880374A 1973-10-31 1974-10-31 CIRCUIT FOR DETECTING INPUT SIGNALS WITH A FREQUENCY LOCATED WITHIN A PRESETED FREQUENCY RANGE AT363518B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5066673A GB1484253A (en) 1973-10-31 1973-10-31 Electrical circuit means for detecting the frequency of input signals

Publications (2)

Publication Number Publication Date
ATA880374A true ATA880374A (en) 1981-01-15
AT363518B AT363518B (en) 1981-08-10

Family

ID=10456865

Family Applications (1)

Application Number Title Priority Date Filing Date
AT0880374A AT363518B (en) 1973-10-31 1974-10-31 CIRCUIT FOR DETECTING INPUT SIGNALS WITH A FREQUENCY LOCATED WITHIN A PRESETED FREQUENCY RANGE

Country Status (9)

Country Link
JP (1) JPS5836541B2 (en)
AT (1) AT363518B (en)
CA (1) CA1008139A (en)
DE (1) DE2451571A1 (en)
FR (1) FR2250228B1 (en)
GB (1) GB1484253A (en)
IT (1) IT1021969B (en)
NL (1) NL7414232A (en)
SE (1) SE404088B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1044144B (en) * 1975-07-30 1980-03-20 Selenia Ind Elettroniche IMPROVEMENT IN DEVICES FOR DETERMINING POINT ERRORS, PARTICULARLY IN RADAR SYSTEMS
US4127824A (en) * 1977-04-04 1978-11-28 Motorola, Inc. Sampling filter-detector
DE3040380C2 (en) * 1980-10-25 1983-11-17 Felten & Guilleaume Fernmeldeanlagen GmbH, 8500 Nürnberg Arrangement for frequency detection
JPH0246346U (en) * 1988-09-22 1990-03-29
CN113608021B (en) * 2021-07-23 2022-05-20 华中科技大学 Chaotic oscillator circuit and weak signal detection system based on chaos theory

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1094302A (en) * 1964-03-12 1967-12-06 Plessey Uk Ltd Improvements in or relating to frequency sensing systems
CA946922A (en) * 1971-04-19 1974-05-07 Wavetek Frequency detector

Also Published As

Publication number Publication date
AT363518B (en) 1981-08-10
FR2250228B1 (en) 1978-06-16
JPS5080707A (en) 1975-07-01
CA1008139A (en) 1977-04-05
NL7414232A (en) 1975-05-02
SE404088B (en) 1978-09-18
GB1484253A (en) 1977-09-01
FR2250228A1 (en) 1975-05-30
IT1021969B (en) 1978-02-20
JPS5836541B2 (en) 1983-08-10
DE2451571A1 (en) 1975-06-05
SE7413681L (en) 1975-05-02

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Legal Events

Date Code Title Description
EIH Change in the person of patent owner
ELJ Ceased due to non-payment of the annual fee