JPS57186806A - Higher harmonic cenerating circuit - Google Patents

Higher harmonic cenerating circuit

Info

Publication number
JPS57186806A
JPS57186806A JP7257181A JP7257181A JPS57186806A JP S57186806 A JPS57186806 A JP S57186806A JP 7257181 A JP7257181 A JP 7257181A JP 7257181 A JP7257181 A JP 7257181A JP S57186806 A JPS57186806 A JP S57186806A
Authority
JP
Japan
Prior art keywords
higher harmonic
frequency
oscillator
gain
optional
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.)
Pending
Application number
JP7257181A
Other languages
Japanese (ja)
Inventor
Takeshi Inoue
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP7257181A priority Critical patent/JPS57186806A/en
Publication of JPS57186806A publication Critical patent/JPS57186806A/en
Pending 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
    • H03B19/00—Generation of oscillations by non-regenerative frequency multiplication or division of a signal from a separate source

Landscapes

  • Oscillators With Electromechanical Resonators (AREA)

Abstract

PURPOSE:To easily execute adjustment with high accuracy, by changing the oscillation frequency of a voltage control oscillator by the same frequency step as frequency intervals of a higher harmonic, so that the gain can be controlled against one optional wave of the higher harmonic. CONSTITUTION:An output of a quartz oscillator 1 generates a higher harmonic group up to its higher order by a higher harmonic generator 2. Subsequently, an output of the higher harmonic generator 2 is supplied to a gain controller 4 after the frequency characteristics have been almost flattened by a frequency characteristic correcting circuit 3. A mixer 6 changes the oscillation frequency of a voltage control oscillator 10 by the same frequency step as frequency intervals of a higher harmonic outputted from this amplifier 4. As a result, the mixer 6 always fetches a constant frequency from an optional one wave of the higher harmonic and the oscillation frequency of the oscillator 10, filters 7 and detects 8 it, converts it to DC voltage corresponding to an output level, DC-amplifiers 9 it, and after that, feeds it back as control voltage of the amplifier, by which the gain is controlled against one optional wave of the higher harmonic.
JP7257181A 1981-05-12 1981-05-12 Higher harmonic cenerating circuit Pending JPS57186806A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7257181A JPS57186806A (en) 1981-05-12 1981-05-12 Higher harmonic cenerating circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7257181A JPS57186806A (en) 1981-05-12 1981-05-12 Higher harmonic cenerating circuit

Publications (1)

Publication Number Publication Date
JPS57186806A true JPS57186806A (en) 1982-11-17

Family

ID=13493186

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7257181A Pending JPS57186806A (en) 1981-05-12 1981-05-12 Higher harmonic cenerating circuit

Country Status (1)

Country Link
JP (1) JPS57186806A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0434008U (en) * 1990-07-17 1992-03-19

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0434008U (en) * 1990-07-17 1992-03-19

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