JPS63133727U - - Google Patents

Info

Publication number
JPS63133727U
JPS63133727U JP2512387U JP2512387U JPS63133727U JP S63133727 U JPS63133727 U JP S63133727U JP 2512387 U JP2512387 U JP 2512387U JP 2512387 U JP2512387 U JP 2512387U JP S63133727 U JPS63133727 U JP S63133727U
Authority
JP
Japan
Prior art keywords
resistors
series
variable resistor
varying
oscillation 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
JP2512387U
Other languages
English (en)
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 JP2512387U priority Critical patent/JPS63133727U/ja
Publication of JPS63133727U publication Critical patent/JPS63133727U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)

Description

【図面の簡単な説明】
第１図は本考案の一実施例になる選局装置の回
路及びブロツク図、第２図はプリセツト出力電圧
対発振周波数の特性図、第３図は従来の選局装置
の回路及びブロツク図を夫々示す。 ３……アツプ・ダウンコンバータ、８……選局
部、９……導電パターン、１０……スライダ、１
１……選局回路、１２……プリセツト回路、Ｒ１
〜Ｒ９……抵抗、ＶＲ１〜ＶＲ１１……可変抵抗
。

Claims (1)

  1. 【実用新案登録請求の範囲】 電源とアース間に接続された可変抵抗器により
    得られた分圧電圧により局部発振器の発振周波数
    を可変して所望の局を選局する選局装置において
    、 直列接続された第１及び第２の少なく共二つの
    抵抗と該可変抵抗器とを直列接続し、 該第１及び第２の抵抗の接続点と、 該第１及び第２の抵抗のいずれか一方の抵抗と
    該可変抵抗器の接続点とから得られる夫々の分圧
    電圧を該発振周波数可変用の電圧として供給する
    様にした事を特徴とする選局装置。
JP2512387U 1987-02-23 1987-02-23 Pending JPS63133727U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2512387U JPS63133727U (ja) 1987-02-23 1987-02-23

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2512387U JPS63133727U (ja) 1987-02-23 1987-02-23

Publications (1)

Publication Number Publication Date
JPS63133727U true JPS63133727U (ja) 1988-09-01

Family

ID=30824984

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2512387U Pending JPS63133727U (ja) 1987-02-23 1987-02-23

Country Status (1)

Country Link
JP (1) JPS63133727U (ja)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5122561U (ja) * 1974-08-07 1976-02-19
JPS5528256A (en) * 1978-08-18 1980-02-28 Matsushita Electronics Corp Method of forming fluorescent film

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5122561U (ja) * 1974-08-07 1976-02-19
JPS5528256A (en) * 1978-08-18 1980-02-28 Matsushita Electronics Corp Method of forming fluorescent film

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