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JPS58189632U - frequency synthesizer - Google Patents

frequency synthesizer

Info

Publication number
JPS58189632U
JPS58189632U JP8790182U JP8790182U JPS58189632U JP S58189632 U JPS58189632 U JP S58189632U JP 8790182 U JP8790182 U JP 8790182U JP 8790182 U JP8790182 U JP 8790182U JP S58189632 U JPS58189632 U JP S58189632U
Authority
JP
Japan
Prior art keywords
frequency
voltage controlled
controlled oscillator
frequency divider
variable frequency
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
JP8790182U
Other languages
Japanese (ja)
Inventor
渡部　満喜男
Original Assignee
アイコム株式会社
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 アイコム株式会社 filed Critical アイコム株式会社
Priority to JP8790182U priority Critical patent/JPS58189632U/en
Publication of JPS58189632U publication Critical patent/JPS58189632U/en
Pending legal-status Critical Current

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  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図乃至第３図はそれぞれ従来の周波数シンセサイザ
のブロック図、第４図はこの考案の周波数シンセサイザ
の一実施例のブロック図である。 １・・・基準発振器、２・・・位相検波器、３・・・ロ
ーパ、スフイルタ、４・・・電圧制御発振器、５・・・
信号混合器、６・・・主可変分周器、１５・・・副可変
分周器、２０・・・出力ステップ制御部。1 to 3 are block diagrams of conventional frequency synthesizers, and FIG. 4 is a block diagram of an embodiment of the frequency synthesizer of this invention. DESCRIPTION OF SYMBOLS 1... Reference oscillator, 2... Phase detector, 3... Ropa, filter, 4... Voltage controlled oscillator, 5...
Signal mixer, 6... Main variable frequency divider, 15... Sub variable frequency divider, 20... Output step control section.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 基準発振器、位相検波器、ローパスフィルタ、電圧制御
発振器、信号混合器および主可変分周器をミキシング型
位相拘束ループに回路構成し、上記信号混合器に於いて
上記電圧制御発振器の出力周波数とミックスする局部発
振周波数を、基準周波数を分周する副可変分周器と該副
可変分周器の分周比を制御するリードオンメモリ又はマ
イクロプロセッサから成る出力ステップ制御部とに依り
制御するようにした周波数シンセサイザ。A reference oscillator, a phase detector, a low-pass filter, a voltage controlled oscillator, a signal mixer, and a main variable frequency divider are configured in a mixing type phase-locked loop, and the output frequency of the voltage controlled oscillator is mixed with the output frequency of the voltage controlled oscillator in the signal mixer. The local oscillation frequency to be controlled is controlled by a sub-variable frequency divider that divides the reference frequency, and an output step control unit comprising a lead-on memory or a microprocessor that controls a division ratio of the sub-variable frequency divider. frequency synthesizer.
JP8790182U 1982-06-11 1982-06-11 frequency synthesizer Pending JPS58189632U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8790182U JPS58189632U (en) 1982-06-11 1982-06-11 frequency synthesizer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8790182U JPS58189632U (en) 1982-06-11 1982-06-11 frequency synthesizer

Publications (1)

Publication Number Publication Date
JPS58189632U true JPS58189632U (en) 1983-12-16

Family

ID=30096594

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8790182U Pending JPS58189632U (en) 1982-06-11 1982-06-11 frequency synthesizer

Country Status (1)

Country Link
JP (1) JPS58189632U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62242421A (en) * 1986-03-18 1987-10-23 インターデイジタル　テクノロジー　コーポレーション Frequency synthesizer
JP2017175260A (en) * 2016-03-22 2017-09-28 アンリツ株式会社 Oscillation circuit and oscillation method

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS566152B2 (en) * 1979-12-17 1981-02-09

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS566152B2 (en) * 1979-12-17 1981-02-09

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62242421A (en) * 1986-03-18 1987-10-23 インターデイジタル　テクノロジー　コーポレーション Frequency synthesizer
JP2017175260A (en) * 2016-03-22 2017-09-28 アンリツ株式会社 Oscillation circuit and oscillation method

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