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DE3618719C2 - Frequenzmodulationsempfänger - Google Patents

Frequenzmodulationsempfänger

Info

Publication number
DE3618719C2
DE3618719C2 DE19863618719 DE3618719A DE3618719C2 DE 3618719 C2 DE3618719 C2 DE 3618719C2 DE 19863618719 DE19863618719 DE 19863618719 DE 3618719 A DE3618719 A DE 3618719A DE 3618719 C2 DE3618719 C2 DE 3618719C2
Authority
DE
Germany
Prior art keywords
frequency
signal
frequency divider
injection
divider
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE19863618719
Other languages
German (de)
English (en)
Other versions
DE3618719A1 (de
Inventor
Nicholas Paul Cowley
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Microchip Technology Caldicot Ltd
Original Assignee
Plessey Semiconductors Ltd
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 Plessey Semiconductors Ltd filed Critical Plessey Semiconductors Ltd
Publication of DE3618719A1 publication Critical patent/DE3618719A1/de
Application granted granted Critical
Publication of DE3618719C2 publication Critical patent/DE3618719C2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B21/00—Generation of oscillations by combining unmodulated signals of different frequencies
    • H03B21/01—Generation of oscillations by combining unmodulated signals of different frequencies by beating unmodulated signals of different frequencies
    • H03B21/02—Generation of oscillations by combining unmodulated signals of different frequencies by beating unmodulated signals of different frequencies by plural beating, i.e. for frequency synthesis ; Beating in combination with multiplication or division of frequency
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/24—Automatic control of frequency or phase; Synchronisation using a reference signal directly applied to the generator

Landscapes

  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Superheterodyne Receivers (AREA)
  • Circuits Of Receivers In General (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Transmitters (AREA)
DE19863618719 1985-05-13 1986-06-04 Frequenzmodulationsempfänger Expired - Fee Related DE3618719C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8512081A GB2175159B (en) 1985-05-13 1985-05-13 Fm receivers

Publications (2)

Publication Number Publication Date
DE3618719A1 DE3618719A1 (de) 1987-12-10
DE3618719C2 true DE3618719C2 (de) 1996-04-04

Family

ID=10579060

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19863618719 Expired - Fee Related DE3618719C2 (de) 1985-05-13 1986-06-04 Frequenzmodulationsempfänger

Country Status (5)

Country Link
JP (1) JPS62299115A (nl)
DE (1) DE3618719C2 (nl)
FR (1) FR2607335A1 (nl)
GB (1) GB2175159B (nl)
NL (1) NL192945C (nl)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10342569A1 (de) * 2003-09-15 2005-04-14 Infineon Technologies Ag Frequenzteiler

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2175159B (en) * 1985-05-13 1989-07-05 Plessey Co Plc Fm receivers

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2440653A (en) * 1944-11-14 1948-04-27 Rca Corp Locked-in oscillator circuits
NL166858B (nl) * 1951-01-22 Petersen Hugo Verfahrenstech Inrichting voor het nat reinigen van een met stofdeel- tjes verontreinigd gas.
JPS53120217A (en) * 1977-03-30 1978-10-20 Hitachi Ltd Fet self-excited mixer circuit
FR2542145B1 (fr) * 1983-03-02 1985-06-07 Thomson Csf Diviseur de frequence par deux, analogique et aperiodique
GB8332897D0 (en) * 1983-12-09 1984-01-18 Plessey Co Plc Fm detection
JPH0712144B2 (ja) * 1984-05-30 1995-02-08 日本電気株式会社 マイクロ波アナログ分周器
GB2175159B (en) * 1985-05-13 1989-07-05 Plessey Co Plc Fm receivers

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10342569A1 (de) * 2003-09-15 2005-04-14 Infineon Technologies Ag Frequenzteiler

Also Published As

Publication number Publication date
GB2175159B (en) 1989-07-05
NL192945B (nl) 1998-01-05
FR2607335A1 (fr) 1988-05-27
NL8601368A (nl) 1987-12-16
GB2175159A (en) 1986-11-19
NL192945C (nl) 1998-05-07
DE3618719A1 (de) 1987-12-10
JPS62299115A (ja) 1987-12-26
GB8512081D0 (en) 1985-06-19

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Legal Events

Date Code Title Description
8127 New person/name/address of the applicant

Owner name: PLESSEY SEMICONDUCTORS LTD., SWINDON, WILTSHIRE, G

8110 Request for examination paragraph 44
8125 Change of the main classification

Ipc: H04B 1/26

D2 Grant after examination
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: MITEL SEMICONDUCTOR LTD., SWINDON, WILTSHIRE, GB

8339 Ceased/non-payment of the annual fee