JPS6433235U - - Google Patents

Info

Publication number
JPS6433235U
JPS6433235U JP12730687U JP12730687U JPS6433235U JP S6433235 U JPS6433235 U JP S6433235U JP 12730687 U JP12730687 U JP 12730687U JP 12730687 U JP12730687 U JP 12730687U JP S6433235 U JPS6433235 U JP S6433235U
Authority
JP
Japan
Prior art keywords
oscillation circuit
active element
channel coil
switching
diode
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
JP12730687U
Other languages
Japanese (ja)
Other versions
JPH0411391Y2 (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 JP1987127306U priority Critical patent/JPH0411391Y2/ja
Publication of JPS6433235U publication Critical patent/JPS6433235U/ja
Application granted granted Critical
Publication of JPH0411391Y2 publication Critical patent/JPH0411391Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Superheterodyne Receivers (AREA)

Description

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

第１図は本考案の一実施例を示す局部発振回路
の回路図、第２図は従来の局部発振回路を示す回
路図である。 １１……局部発振回路、１２……能動素子、１
５……共振回路、１６……スイツチングダイオー
ド、１８，１９……直流阻止コンデンサ、２３…
…ハイチヤンネル動作電圧供給回路、２４……ロ
ーチヤンネル動作電圧供給回路。 FIG. 1 is a circuit diagram of a local oscillation circuit showing an embodiment of the present invention, and FIG. 2 is a circuit diagram showing a conventional local oscillation circuit. 11... Local oscillation circuit, 12... Active element, 1
5... Resonance circuit, 16... Switching diode, 18, 19... DC blocking capacitor, 23...
...High channel operating voltage supply circuit, 24...Lower channel operating voltage supply circuit.

Claims (1)

【実用新案登録請求の範囲】 直流阻止用コンデンサを両側に接続したローチ
ヤンネルコイルにハイチヤンネルコイル及び可変
容量ダイオードと共に能動素子を接続して発振回
路を構成し、 ハイチヤンネル受信時の動作電圧を上記ローチ
ヤンネルコイルを介してバンド切換用スイツチン
グダイオードから上記能動素子に供給し、上記ス
イツチングダイオードを導通させることを特徴と
するＶＨＦチユーナの局部発振回路。[Claims for Utility Model Registration] An oscillation circuit is constructed by connecting an active element together with a high channel coil and a variable capacitance diode to a low channel coil with DC blocking capacitors connected on both sides, and the operating voltage when receiving the high channel is as above. A local oscillation circuit for a VHF tuner, characterized in that the switching diode for band switching is supplied to the active element via a roach channel coil, and the switching diode is made conductive.
JP1987127306U 1987-08-20 1987-08-20 Expired JPH0411391Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987127306U JPH0411391Y2 (en) 1987-08-20 1987-08-20

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987127306U JPH0411391Y2 (en) 1987-08-20 1987-08-20

Publications (2)

Publication Number Publication Date
JPS6433235U true JPS6433235U (en) 1989-03-01
JPH0411391Y2 JPH0411391Y2 (en) 1992-03-23

Family

ID=31379618

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987127306U Expired JPH0411391Y2 (en) 1987-08-20 1987-08-20

Country Status (1)

Country Link
JP (1) JPH0411391Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02301211A (en) * 1989-04-14 1990-12-13 Thomson Consumer Electron Inc Oscillator

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4879559A (en) * 1972-01-24 1973-10-25

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4879559A (en) * 1972-01-24 1973-10-25

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02301211A (en) * 1989-04-14 1990-12-13 Thomson Consumer Electron Inc Oscillator

Also Published As

Publication number Publication date
JPH0411391Y2 (en) 1992-03-23

Similar Documents

Publication Publication Date Title
JPS6433235U (en)
JPS59171439U (en) VHF tuner
JPH048521U (en)
JPH0213323U (en)
JPH0390113U (en)
JPS6253822U (en)
JPS5931042Y2 (en) All channel channel
JPS63138730U (en)
JPH01113407U (en)
JPS6344509U (en)
JPH01146615U (en)
JPS6268331U (en)
JPH0397229U (en)
JPS5959032U (en) tuned circuit
JPS62203517U (en)
JPS61151433U (en)
JPS62114544U (en)
JPS61199931U (en)
JPS625722U (en)
JPS62125021U (en)
JPH0443011U (en)
JPS6361824U (en)
JPH01117133U (en)
JPH036310U (en)
JPS62155518U (en)