JPS57112137A - Frequency synthesizer - Google Patents

Frequency synthesizer

Info

Publication number
JPS57112137A
JPS57112137A JP55186693A JP18669380A JPS57112137A JP S57112137 A JPS57112137 A JP S57112137A JP 55186693 A JP55186693 A JP 55186693A JP 18669380 A JP18669380 A JP 18669380A JP S57112137 A JPS57112137 A JP S57112137A
Authority
JP
Japan
Prior art keywords
frequency
oscillator
output
phase
phase comparator
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.)
Granted
Application number
JP55186693A
Other languages
English (en)
Other versions
JPS6363137B2 (ja
Inventor
Takenori Kurihara
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.)
Advantest Corp
Original Assignee
Advantest Corp
Takeda Riken Industries 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 Advantest Corp, Takeda Riken Industries Co Ltd filed Critical Advantest Corp
Priority to JP55186693A priority Critical patent/JPS57112137A/ja
Priority to US06/331,291 priority patent/US4488123A/en
Priority to DE19813151746 priority patent/DE3151746A1/de
Publication of JPS57112137A publication Critical patent/JPS57112137A/ja
Publication of JPS6363137B2 publication Critical patent/JPS6363137B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
    • H03L7/22—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using more than one loop
    • H03L7/23—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using more than one loop with pulse counters or frequency dividers
    • H03L7/235—Nested phase locked loops

Landscapes

  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
JP55186693A 1980-12-29 1980-12-29 Frequency synthesizer Granted JPS57112137A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP55186693A JPS57112137A (en) 1980-12-29 1980-12-29 Frequency synthesizer
US06/331,291 US4488123A (en) 1980-12-29 1981-12-16 Frequency synthesizer
DE19813151746 DE3151746A1 (de) 1980-12-29 1981-12-29 Frequenzsynthetisierer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55186693A JPS57112137A (en) 1980-12-29 1980-12-29 Frequency synthesizer

Publications (2)

Publication Number Publication Date
JPS57112137A true JPS57112137A (en) 1982-07-13
JPS6363137B2 JPS6363137B2 (ja) 1988-12-06

Family

ID=16192975

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55186693A Granted JPS57112137A (en) 1980-12-29 1980-12-29 Frequency synthesizer

Country Status (3)

Country Link
US (1) US4488123A (ja)
JP (1) JPS57112137A (ja)
DE (1) DE3151746A1 (ja)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4630217A (en) * 1984-07-26 1986-12-16 Hewlett-Packard Company Signal synthesizer system
US4845443A (en) * 1988-03-25 1989-07-04 General Dynamics Corporation, Pomona Div. Low noise multi-band channelized microwave frequency synthesizer
IT1243681B (it) * 1990-07-20 1994-06-21 Sits Soc It Telecom Siemens Sintetizzatore di frequenza a microonde multianello a basso rumore di fase.
US5680067A (en) * 1994-11-30 1997-10-21 U.S. Philips Corporation Frequency dividing device
SE513576C2 (sv) * 1996-07-02 2000-10-02 Celsiustech Electronics Ab Förfarande och anordning för styrning av en oscillator
US6008754A (en) * 1996-08-15 1999-12-28 Alliedsignal Inc. On-ground radio altimeter calibration system
US6072426A (en) * 1996-08-15 2000-06-06 Alliedsignal Inc. Modulator slope calibration circuit
WO1998042076A2 (en) * 1997-03-18 1998-09-24 Koninklijke Philips Electronics N.V. Receiver tuning system
US6380773B1 (en) * 2000-12-01 2002-04-30 National Science Council Prescalar using fraction division theory
ES2400806T3 (es) 2001-08-14 2013-04-12 Qualcomm Incorporated Procedimiento y aparato para la conectividad en redes inalámbricas
US7391838B2 (en) * 2002-11-01 2008-06-24 Broadcom Corporation Transceiver system and method supporting multiple selectable voltage controlled oscillators
CN103323708B (zh) * 2013-06-05 2015-07-29 江汉大学 一种信号源的测试方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1263928A (en) * 1968-06-27 1972-02-16 Plessey Co Ltd Improvements in or relating to frequency synthesisers
GB1482086A (en) * 1973-12-03 1977-08-03 Standard Telephones Cables Ltd Crystal controlled oscillator arrangement
DE2653475A1 (de) * 1976-11-25 1978-06-01 Wandel & Goltermann Verfahren und schaltungsanordnung zu dessen durchfuehrung zur interpolation einer phasengerasteten frequenz
FR2388437A1 (fr) * 1977-04-20 1978-11-17 Adret Electronique Synthetiseur de frequence a deux boucles d'asservissement de phase imbriquees
US4180783A (en) * 1977-09-06 1979-12-25 Rca Corporation Phase lock loop data timing recovery circuit

Also Published As

Publication number Publication date
US4488123A (en) 1984-12-11
DE3151746A1 (de) 1982-07-08
DE3151746C2 (ja) 1987-07-30
JPS6363137B2 (ja) 1988-12-06

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