GB2302625B - Radio receiver and frequency generator - Google Patents

Radio receiver and frequency generator

Info

Publication number
GB2302625B
GB2302625B GB9613197A GB9613197A GB2302625B GB 2302625 B GB2302625 B GB 2302625B GB 9613197 A GB9613197 A GB 9613197A GB 9613197 A GB9613197 A GB 9613197A GB 2302625 B GB2302625 B GB 2302625B
Authority
GB
United Kingdom
Prior art keywords
radio receiver
frequency generator
generator
frequency
receiver
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
GB9613197A
Other versions
GB2302625A (en
GB9613197D0 (en
Inventor
Mark Anthony Beach
Philip Gerard Mattos
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.)
University of Bristol
Original Assignee
University of Bristol
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
Priority claimed from GBGB9512732.0A external-priority patent/GB9512732D0/en
Application filed by University of Bristol filed Critical University of Bristol
Priority to GB9707652A priority Critical patent/GB2309345B/en
Priority to GB9613197A priority patent/GB2302625B/en
Publication of GB9613197D0 publication Critical patent/GB9613197D0/en
Publication of GB2302625A publication Critical patent/GB2302625A/en
Application granted granted Critical
Publication of GB2302625B publication Critical patent/GB2302625B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/16—Multiple-frequency-changing
    • H03D7/161—Multiple-frequency-changing all the frequency changers being connected in cascade
    • H03D7/163—Multiple-frequency-changing all the frequency changers being connected in cascade the local oscillations of at least two of the frequency changers being derived from a single oscillator
    • 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
    • H03B25/00—Simultaneous generation by a free-running oscillator of oscillations having different frequencies
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
    • H03D3/006—Demodulation of angle-, frequency- or phase- modulated oscillations by sampling the oscillations and further processing the samples, e.g. by computing techniques
GB9613197A 1995-06-22 1996-06-24 Radio receiver and frequency generator Expired - Fee Related GB2302625B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB9707652A GB2309345B (en) 1995-06-22 1996-06-24 Radio receiver
GB9613197A GB2302625B (en) 1995-06-22 1996-06-24 Radio receiver and frequency generator

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9512732.0A GB9512732D0 (en) 1995-06-22 1995-06-22 Radio receiver and frequency generator
GB9613197A GB2302625B (en) 1995-06-22 1996-06-24 Radio receiver and frequency generator

Publications (3)

Publication Number Publication Date
GB9613197D0 GB9613197D0 (en) 1996-08-28
GB2302625A GB2302625A (en) 1997-01-22
GB2302625B true GB2302625B (en) 1998-04-29

Family

ID=26307267

Family Applications (2)

Application Number Title Priority Date Filing Date
GB9613197A Expired - Fee Related GB2302625B (en) 1995-06-22 1996-06-24 Radio receiver and frequency generator
GB9707652A Expired - Lifetime GB2309345B (en) 1995-06-22 1996-06-24 Radio receiver

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB9707652A Expired - Lifetime GB2309345B (en) 1995-06-22 1996-06-24 Radio receiver

Country Status (1)

Country Link
GB (2) GB2302625B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2340681B (en) * 1998-08-14 2003-07-30 Mars Inc Oscillators
DE10044449A1 (en) 2000-09-08 2002-04-04 Infineon Technologies Ag Receiver circuit, especially for mobile radio
JP2002290153A (en) 2001-03-22 2002-10-04 Nippon Dempa Kogyo Co Ltd Two-frequency switch-type high-frequency oscillator

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4859969A (en) * 1983-06-13 1989-08-22 The United States Of America As Represented By The Secretary Of The Army Single transistor dual mode crystal oscillator(U)
US5263197A (en) * 1991-09-20 1993-11-16 Matsushita Communication Industrial Corporation Of America Dual port oscillator for two-stage direct conversion receiver

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5490173A (en) * 1993-07-02 1996-02-06 Ford Motor Company Multi-stage digital RF translator
US5539776A (en) * 1993-11-24 1996-07-23 At&T Corp. All digital if-to-baseband signal converter

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4859969A (en) * 1983-06-13 1989-08-22 The United States Of America As Represented By The Secretary Of The Army Single transistor dual mode crystal oscillator(U)
US5263197A (en) * 1991-09-20 1993-11-16 Matsushita Communication Industrial Corporation Of America Dual port oscillator for two-stage direct conversion receiver

Also Published As

Publication number Publication date
GB2309345B (en) 1998-04-29
GB2309345A (en) 1997-07-23
GB2302625A (en) 1997-01-22
GB9613197D0 (en) 1996-08-28
GB9707652D0 (en) 1997-06-04

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20090624