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GB2274340B - Improved signal generator and testing apparatus - Google Patents

Improved signal generator and testing apparatus

Info

Publication number
GB2274340B
GB2274340B GB9316925A GB9316925A GB2274340B GB 2274340 B GB2274340 B GB 2274340B GB 9316925 A GB9316925 A GB 9316925A GB 9316925 A GB9316925 A GB 9316925A GB 2274340 B GB2274340 B GB 2274340B
Authority
GB
United Kingdom
Prior art keywords
signal generator
testing apparatus
improved signal
improved
testing
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
GB9316925A
Other versions
GB2274340A (en
GB9316925D0 (en
Inventor
Christopher Brian David Turl
Simon Bennie
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.)
Wiltron Measurements Ltd
Original Assignee
Wiltron Measurements 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
Priority claimed from GB919112188A external-priority patent/GB9112188D0/en
Priority claimed from GB919112177A external-priority patent/GB9112177D0/en
Application filed by Wiltron Measurements Ltd filed Critical Wiltron Measurements Ltd
Publication of GB9316925D0 publication Critical patent/GB9316925D0/en
Publication of GB2274340A publication Critical patent/GB2274340A/en
Application granted granted Critical
Publication of GB2274340B publication Critical patent/GB2274340B/en
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
    • H03B23/00—Generation of oscillations periodically swept over a predetermined frequency range
    • 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
    • H03B2200/00—Indexing scheme relating to details of oscillators covered by H03B
    • H03B2200/006—Functional aspects of oscillators
    • H03B2200/0092—Measures to linearise or reduce distortion of oscillator characteristics
    • 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
    • H03B2201/00—Aspects of oscillators relating to varying the frequency of the oscillations
    • H03B2201/02—Varying the frequency of the oscillations by electronic means
    • H03B2201/0225—Varying the frequency of the oscillations by electronic means the means being associated with an element comprising distributed inductances and capacitances
    • H03B2201/0241—Varying the frequency of the oscillations by electronic means the means being associated with an element comprising distributed inductances and capacitances the element being a magnetically variable element, e.g. an Yttrium Iron Garnet
GB9316925A 1991-06-06 1992-06-04 Improved signal generator and testing apparatus Expired - Fee Related GB2274340B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB919112188A GB9112188D0 (en) 1991-06-06 1991-06-06 Improved signal generator and testing apparatus
GB919112177A GB9112177D0 (en) 1991-06-06 1991-06-06 Improved testing apparatus
PCT/GB1992/001009 WO1992022130A1 (en) 1991-06-06 1992-06-04 Improved signal generator and testing apparatus

Publications (3)

Publication Number Publication Date
GB9316925D0 GB9316925D0 (en) 1994-05-04
GB2274340A GB2274340A (en) 1994-07-20
GB2274340B true GB2274340B (en) 1995-10-18

Family

ID=26299023

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9316925A Expired - Fee Related GB2274340B (en) 1991-06-06 1992-06-04 Improved signal generator and testing apparatus

Country Status (2)

Country Link
GB (1) GB2274340B (en)
WO (1) WO1992022130A1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2155189A (en) * 1984-01-09 1985-09-18 Hewlett Packard Co Calibration of vector network analyzer with integral processor
GB2181911A (en) * 1985-10-21 1987-04-29 Wiltron Measurements Ltd Frequency controlled oscillators
US4806845A (en) * 1985-05-07 1989-02-21 Toyota Jidosha Kabushiki Kaisha System for measuring and generating electric noise

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0760976B2 (en) * 1985-06-24 1995-06-28 株式会社アドバンテスト Signal suppressor

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2155189A (en) * 1984-01-09 1985-09-18 Hewlett Packard Co Calibration of vector network analyzer with integral processor
US4806845A (en) * 1985-05-07 1989-02-21 Toyota Jidosha Kabushiki Kaisha System for measuring and generating electric noise
GB2181911A (en) * 1985-10-21 1987-04-29 Wiltron Measurements Ltd Frequency controlled oscillators

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Patent Abstracts of Japan vol.11, No.165 (E-510) JP 61295703 *

Also Published As

Publication number Publication date
GB2274340A (en) 1994-07-20
GB9316925D0 (en) 1994-05-04
WO1992022130A1 (en) 1992-12-10

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19980604