JPS6150347U - - Google Patents

Info

Publication number
JPS6150347U
JPS6150347U JP13389584U JP13389584U JPS6150347U JP S6150347 U JPS6150347 U JP S6150347U JP 13389584 U JP13389584 U JP 13389584U JP 13389584 U JP13389584 U JP 13389584U JP S6150347 U JPS6150347 U JP S6150347U
Authority
JP
Japan
Prior art keywords
voltage
controlled oscillator
tracking
oscillation frequency
switching
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
JP13389584U
Other languages
English (en)
Other versions
JPH0339962Y2 (ja
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 filed Critical
Priority to JP13389584U priority Critical patent/JPH0339962Y2/ja
Publication of JPS6150347U publication Critical patent/JPS6150347U/ja
Application granted granted Critical
Publication of JPH0339962Y2 publication Critical patent/JPH0339962Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Superheterodyne Receivers (AREA)

Description

【図面の簡単な説明】
第１図は本考案の一実施例の週波数シンセサイ
ザのブロツク図、第２図は従来の周波数シンセサ
イザのブロツク図、第３図は発振周波数対制御電
圧特性、第４図は発振周波数対トラツキング電圧
特性である。 １：周波数シンセサイザ、２：電圧制御発振器
、３：分周器、４：位相比較器、５：基準発振器
、６：ローパスフイルタ、７：発振出力、８：ト
ラツキング電圧、９：直流増幅器、１０：オペア
ンプ、１１，１２：抵抗、１３：切換信号。

Claims (1)

    【実用新案登録請求の範囲】
  1. 複数の発振周波数帯域を切換可能とする電圧制
    御発振器を有し、この電圧制御発振器の制御電圧
    を使用してトラツキング電圧を発生させる周波数
    シンセサイザにおいて、前記周波数シンセサイザ
    に前記電圧制御発振器の発振周波数帯域切換信号
    と同一切換信号で制御される直流増幅器を付加し
    、発振周波数帯域切換えによつて生ずる不連続な
    前記電圧制御発振器の制御電圧を、前記直流増幅
    器に通して連続した直流電圧に変換し、この直流
    電圧をトラツキング電圧としたことを特徴とする
    トラツキング電圧発生器。
JP13389584U 1984-09-05 1984-09-05 Expired JPH0339962Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13389584U JPH0339962Y2 (ja) 1984-09-05 1984-09-05

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13389584U JPH0339962Y2 (ja) 1984-09-05 1984-09-05

Publications (2)

Publication Number Publication Date
JPS6150347U true JPS6150347U (ja) 1986-04-04
JPH0339962Y2 JPH0339962Y2 (ja) 1991-08-22

Family

ID=30692423

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13389584U Expired JPH0339962Y2 (ja) 1984-09-05 1984-09-05

Country Status (1)

Country Link
JP (1) JPH0339962Y2 (ja)

Also Published As

Publication number Publication date
JPH0339962Y2 (ja) 1991-08-22

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