GB2216355B - U.h.f. voltage controlled oscillator - Google Patents

U.h.f. voltage controlled oscillator

Info

Publication number
GB2216355B
GB2216355B GB8807567A GB8807567A GB2216355B GB 2216355 B GB2216355 B GB 2216355B GB 8807567 A GB8807567 A GB 8807567A GB 8807567 A GB8807567 A GB 8807567A GB 2216355 B GB2216355 B GB 2216355B
Authority
GB
United Kingdom
Prior art keywords
controlled oscillator
voltage controlled
voltage
oscillator
controlled
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 - Lifetime
Application number
GB8807567A
Other versions
GB8807567D0 (en
GB2216355A (en
Inventor
Simon John Gale
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.)
STC PLC
Nortel Networks Optical Components Ltd
Original Assignee
STC PLC
Northern Telecom Europe 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 STC PLC, Northern Telecom Europe Ltd filed Critical STC PLC
Priority to GB8807567A priority Critical patent/GB2216355B/en
Publication of GB8807567D0 publication Critical patent/GB8807567D0/en
Publication of GB2216355A publication Critical patent/GB2216355A/en
Application granted granted Critical
Publication of GB2216355B publication Critical patent/GB2216355B/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/18—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising distributed inductance and capacitance
    • H03B5/1841—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising distributed inductance and capacitance the frequency-determining element being a strip line resonator
    • H03B5/1847—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising distributed inductance and capacitance the frequency-determining element being a strip line resonator the active element in the amplifier being a semiconductor device
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/10—Angle modulation by means of variable impedance
    • H03C3/12—Angle modulation by means of variable impedance by means of a variable reactive element
    • H03C3/22—Angle modulation by means of variable impedance by means of a variable reactive element the element being a semiconductor diode, e.g. varicap diode
    • H03C3/222—Angle modulation by means of variable impedance by means of a variable reactive element the element being a semiconductor diode, e.g. varicap diode using bipolar transistors
    • 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
    • H03B2200/003—Circuit elements of oscillators
    • H03B2200/0048—Circuit elements of oscillators including measures to switch the frequency band, e.g. by harmonic selection
    • 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
    • H03B2200/003—Circuit elements of oscillators
    • H03B2200/0056—Circuit elements of oscillators including a diode used for switching
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C2200/00—Indexing scheme relating to details of modulators or modulation methods covered by H03C
    • H03C2200/0004—Circuit elements of modulators
    • H03C2200/0033—Transmission lines, e.g. striplines, microstrips or coplanar lines
GB8807567A 1988-03-30 1988-03-30 U.h.f. voltage controlled oscillator Expired - Lifetime GB2216355B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8807567A GB2216355B (en) 1988-03-30 1988-03-30 U.h.f. voltage controlled oscillator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8807567A GB2216355B (en) 1988-03-30 1988-03-30 U.h.f. voltage controlled oscillator

Publications (3)

Publication Number Publication Date
GB8807567D0 GB8807567D0 (en) 1988-08-24
GB2216355A GB2216355A (en) 1989-10-04
GB2216355B true GB2216355B (en) 1992-07-08

Family

ID=10634354

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8807567A Expired - Lifetime GB2216355B (en) 1988-03-30 1988-03-30 U.h.f. voltage controlled oscillator

Country Status (1)

Country Link
GB (1) GB2216355B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5235293A (en) * 1992-06-30 1993-08-10 Hughes Aircraft Company Variable frequency microwave oscillator including digital phase shifter as tuning element
US5376888A (en) * 1993-06-09 1994-12-27 Hook; William R. Timing markers in time domain reflectometry systems

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1428720A (en) * 1972-11-24 1976-03-17 Philips Electronic Associated Variable-frequency oscillator having at least two frequency ranges
GB2171870A (en) * 1985-02-28 1986-09-03 Rca Corp Multiband local oscillator

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1428720A (en) * 1972-11-24 1976-03-17 Philips Electronic Associated Variable-frequency oscillator having at least two frequency ranges
GB2171870A (en) * 1985-02-28 1986-09-03 Rca Corp Multiband local oscillator

Also Published As

Publication number Publication date
GB8807567D0 (en) 1988-08-24
GB2216355A (en) 1989-10-04

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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)
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
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: 20060330