CA918252A - Frequency multiplying circuit - Google Patents

Frequency multiplying circuit

Info

Publication number
CA918252A
CA918252A CA073525A CA73525A CA918252A CA 918252 A CA918252 A CA 918252A CA 073525 A CA073525 A CA 073525A CA 73525 A CA73525 A CA 73525A CA 918252 A CA918252 A CA 918252A
Authority
CA
Canada
Prior art keywords
multiplying circuit
frequency multiplying
frequency
circuit
multiplying
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
Application number
CA073525A
Inventor
Cecchin Gildo
H. Feit James
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.)
Motorola Solutions Inc
Original Assignee
Motorola Inc
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 Motorola Inc filed Critical Motorola Inc
Application granted granted Critical
Publication of CA918252A publication Critical patent/CA918252A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/1646—Circuits adapted for the reception of stereophonic signals
    • H04B1/1653—Detection of the presence of stereo signals and pilot signal regeneration
    • 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
    • H03B19/06—Generation of oscillations by non-regenerative frequency multiplication or division of a signal from a separate source by means of discharge device or semiconductor device with more than two electrodes
    • H03B19/14—Generation of oscillations by non-regenerative frequency multiplication or division of a signal from a separate source by means of discharge device or semiconductor device with more than two electrodes by means of a semiconductor device

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
  • Stereo-Broadcasting Methods (AREA)
CA073525A 1969-02-06 1970-01-30 Frequency multiplying circuit Expired CA918252A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US79700869A 1969-02-06 1969-02-06

Publications (1)

Publication Number Publication Date
CA918252A true CA918252A (en) 1973-01-02

Family

ID=25169656

Family Applications (1)

Application Number Title Priority Date Filing Date
CA073525A Expired CA918252A (en) 1969-02-06 1970-01-30 Frequency multiplying circuit

Country Status (6)

Country Link
US (1) US3585411A (en)
BR (1) BR7016630D0 (en)
CA (1) CA918252A (en)
DE (1) DE2003510A1 (en)
FR (1) FR2030336A7 (en)
NL (1) NL7001525A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3721766A (en) * 1970-11-16 1973-03-20 Motorola Inc Frequency multiplying circuit utilizing time gates and switching signals of differing phases
US4006417A (en) * 1975-06-12 1977-02-01 Motorola, Inc. Tachometer
JP2757377B2 (en) * 1988-06-28 1998-05-25 ソニー株式会社 Stereo demodulation circuit
US5793239A (en) * 1995-06-29 1998-08-11 Analog Devices, Inc. Composite load circuit

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL10035C (en) * 1919-04-28
US2249503A (en) * 1940-01-29 1941-07-15 Acme Newspictures Inc Audio frequency doubler
US2414541A (en) * 1943-07-31 1947-01-21 Westinghouse Electric Corp Electronic frequency multiplier
US2579217A (en) * 1947-02-07 1951-12-18 Ferris Instr Lab Harmonic electrical alternating-current generation
US2861182A (en) * 1953-06-16 1958-11-18 Green Milton Logarithmic converter circuit
US3089968A (en) * 1961-06-22 1963-05-14 Gen Precision Inc Non-linear amplifier
US3306980A (en) * 1962-12-21 1967-02-28 Matsushita Electric Ind Co Ltd Noise-limited type frequency multiplier for fm stereophonic receivers
US3188496A (en) * 1963-04-15 1965-06-08 Lyttleton W Ballard Transistor frequency multiplier employing diode protected transistor and tuned circuit
US3230396A (en) * 1963-10-15 1966-01-18 Sylvania Electric Prod Transistor frequency multipliers
US3349184A (en) * 1965-05-17 1967-10-24 Harvey L Morgan Bandwidth compression and expansion by frequency division and multiplication

Also Published As

Publication number Publication date
NL7001525A (en) 1970-08-10
FR2030336A7 (en) 1970-11-13
BR7016630D0 (en) 1973-01-04
DE2003510A1 (en) 1971-06-16
US3585411A (en) 1971-06-15

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