GB2217939B - Negative impedance oscillator circuit - Google Patents

Negative impedance oscillator circuit

Info

Publication number
GB2217939B
GB2217939B GB8810235A GB8810235A GB2217939B GB 2217939 B GB2217939 B GB 2217939B GB 8810235 A GB8810235 A GB 8810235A GB 8810235 A GB8810235 A GB 8810235A GB 2217939 B GB2217939 B GB 2217939B
Authority
GB
United Kingdom
Prior art keywords
oscillator circuit
negative impedance
impedance oscillator
negative
circuit
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
GB8810235A
Other versions
GB2217939A (en
GB8810235D0 (en
Inventor
Christopher J Beale
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 GB8810235A priority Critical patent/GB2217939B/en
Publication of GB8810235D0 publication Critical patent/GB8810235D0/en
Publication of GB2217939A publication Critical patent/GB2217939A/en
Application granted granted Critical
Publication of GB2217939B publication Critical patent/GB2217939B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K3/00Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/02Generators characterised by the type of circuit or by the means used for producing pulses
    • H03K3/26Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback
    • H03K3/28Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback
    • H03K3/281Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback using at least two transistors so coupled that the input of one is derived from the output of another, e.g. multivibrator
    • H03K3/282Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback using at least two transistors so coupled that the input of one is derived from the output of another, e.g. multivibrator astable
    • H03K3/2823Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback using at least two transistors so coupled that the input of one is derived from the output of another, e.g. multivibrator astable using two active transistor of the same conductivity type
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03BGENERATION 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
    • H03B7/00Generation of oscillations using active element having a negative resistance between two of its electrodes
    • H03B7/02Generation of oscillations using active element having a negative resistance between two of its electrodes with frequency-determining element comprising lumped inductance and capacitance
    • H03B7/06Generation of oscillations using active element having a negative resistance between two of its electrodes with frequency-determining element comprising lumped inductance and capacitance active element being semiconductor device
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K3/00Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/02Generators characterised by the type of circuit or by the means used for producing pulses
    • H03K3/023Generators characterised by the type of circuit or by the means used for producing pulses by the use of differential amplifiers or comparators, with internal or external positive feedback
    • H03K3/0231Astable circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
GB8810235A 1988-04-29 1988-04-29 Negative impedance oscillator circuit Expired - Fee Related GB2217939B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8810235A GB2217939B (en) 1988-04-29 1988-04-29 Negative impedance oscillator circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8810235A GB2217939B (en) 1988-04-29 1988-04-29 Negative impedance oscillator circuit

Publications (3)

Publication Number Publication Date
GB8810235D0 GB8810235D0 (en) 1988-06-02
GB2217939A GB2217939A (en) 1989-11-01
GB2217939B true GB2217939B (en) 1992-07-22

Family

ID=10636139

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8810235A Expired - Fee Related GB2217939B (en) 1988-04-29 1988-04-29 Negative impedance oscillator circuit

Country Status (1)

Country Link
GB (1) GB2217939B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2290916A (en) * 1994-06-24 1996-01-10 Plessey Semiconductors Ltd Tunable oscillator arrangement

Also Published As

Publication number Publication date
GB2217939A (en) 1989-11-01
GB8810235D0 (en) 1988-06-02

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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)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20050429