GB2175159B - Fm receivers - Google Patents

Fm receivers

Info

Publication number
GB2175159B
GB2175159B GB8512081A GB8512081A GB2175159B GB 2175159 B GB2175159 B GB 2175159B GB 8512081 A GB8512081 A GB 8512081A GB 8512081 A GB8512081 A GB 8512081A GB 2175159 B GB2175159 B GB 2175159B
Authority
GB
United Kingdom
Prior art keywords
receivers
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
Application number
GB8512081A
Other versions
GB2175159A (en
GB8512081D0 (en
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.)
Plessey Co Ltd
Original Assignee
Plessey Co 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 Co Ltd filed Critical Plessey Co Ltd
Priority to GB8512081A priority Critical patent/GB2175159B/en
Publication of GB8512081D0 publication Critical patent/GB8512081D0/en
Priority to NL8601368A priority patent/NL192945C/en
Priority to FR8607734A priority patent/FR2607335A1/en
Priority to DE19863618719 priority patent/DE3618719C2/en
Priority to JP13843686A priority patent/JPS62299115A/en
Publication of GB2175159A publication Critical patent/GB2175159A/en
Application granted granted Critical
Publication of GB2175159B publication Critical patent/GB2175159B/en
Expired 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
GB8512081A 1985-05-13 1985-05-13 Fm receivers Expired GB2175159B (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
GB8512081A GB2175159B (en) 1985-05-13 1985-05-13 Fm receivers
NL8601368A NL192945C (en) 1985-05-13 1986-05-28 Frequency modulation receiver.
FR8607734A FR2607335A1 (en) 1985-05-13 1986-05-29 FREQUENCY DIVIDER CIRCUIT AND FREQUENCY MODULATION RECEIVER
DE19863618719 DE3618719C2 (en) 1985-05-13 1986-06-04 Frequency modulation receiver
JP13843686A JPS62299115A (en) 1985-05-13 1986-06-16 Frequency demultiplier

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
GB8512081D0 GB8512081D0 (en) 1985-06-19
GB2175159A GB2175159A (en) 1986-11-19
GB2175159B true GB2175159B (en) 1989-07-05

Family

ID=10579060

Family Applications (1)

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

Country Status (5)

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

Families Citing this family (2)

* 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
DE10342569A1 (en) * 2003-09-15 2005-04-14 Infineon Technologies Ag Frequency divider for signals in gigahertz (GHZ) range, with mixer of input signal with feedback output signal, containing bandpass characteristic of mixer amplifying (MOS) transistors for working frequencies of several 10 GHz

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
NL80271C (en) * 1951-01-22
JPS53120217A (en) * 1977-03-30 1978-10-20 Hitachi Ltd Fet self-excited mixer circuit
FR2542145B1 (en) * 1983-03-02 1985-06-07 Thomson Csf FREQUENCY DIVIDER BY TWO, ANALOG AND APERIODIC
GB8332897D0 (en) * 1983-12-09 1984-01-18 Plessey Co Plc Fm detection
JPH0712144B2 (en) * 1984-05-30 1995-02-08 日本電気株式会社 Microwave analog divider
GB2175159B (en) * 1985-05-13 1989-07-05 Plessey Co Plc Fm receivers

Also Published As

Publication number Publication date
NL192945B (en) 1998-01-05
DE3618719A1 (en) 1987-12-10
DE3618719C2 (en) 1996-04-04
GB2175159A (en) 1986-11-19
FR2607335A1 (en) 1988-05-27
JPS62299115A (en) 1987-12-26
GB8512081D0 (en) 1985-06-19
NL8601368A (en) 1987-12-16
NL192945C (en) 1998-05-07

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PE20 Patent expired after termination of 20 years

Effective date: 20050512