JPH0277927U - - Google Patents

Info

Publication number
JPH0277927U
JPH0277927U JP15578888U JP15578888U JPH0277927U JP H0277927 U JPH0277927 U JP H0277927U JP 15578888 U JP15578888 U JP 15578888U JP 15578888 U JP15578888 U JP 15578888U JP H0277927 U JPH0277927 U JP H0277927U
Authority
JP
Japan
Prior art keywords
stage
level detection
stage tuning
circuit
level
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
JP15578888U
Other languages
Japanese (ja)
Other versions
JPH0510419Y2 (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 JP1988155788U priority Critical patent/JPH0510419Y2/ja
Publication of JPH0277927U publication Critical patent/JPH0277927U/ja
Application granted granted Critical
Publication of JPH0510419Y2 publication Critical patent/JPH0510419Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Description

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

第１図は本考案の一実施例の回路図、第２図は
第１図の回路の動作を示す周波数特性図、第３図
は従来回路の回路図である。 Ｌ１，Ｌ２…コイル、Ｃ１，Ｃ２，Ｃ３，Ｃ４
…コンデンサ、ＢＤ１，ＢＤ２…バラクタダイオ
ード、Ｄ１，Ｄ２…ｐｉｎダイオード、Ｒ１〜Ｒ
４…抵抗。 FIG. 1 is a circuit diagram of an embodiment of the present invention, FIG. 2 is a frequency characteristic diagram showing the operation of the circuit of FIG. 1, and FIG. 3 is a circuit diagram of a conventional circuit. L 1 , L 2 ... coil, C 1 , C 2 , C 3 , C 4
 ... Capacitor, BD 1 , BD 2 ... Varactor diode, D 1 , D 2 ... Pin diode, R 1 to R
4 ...Resistance.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 前段及び後段の同調回路と、該前段の同調回路
に接続されレベル検出手段によつて検出された受
信信号のレベル検出信号によつて該前段の同調回
路に入力される受信高周波信号のレベルを変化さ
せるｐｉｎダイオードとを具備してなるＦＭチユ
ーナの複同調回路。 The level of the received high-frequency signal input to the preceding stage tuning circuit is changed based on the level detection signal of the received signal detected by the front-stage and rear-stage tuning circuits and the level detection means connected to the front-stage tuning circuit. A double-tuned circuit for an FM tuner comprising a pin diode.
JP1988155788U 1988-11-30 1988-11-30 Expired - Lifetime JPH0510419Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988155788U JPH0510419Y2 (en) 1988-11-30 1988-11-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988155788U JPH0510419Y2 (en) 1988-11-30 1988-11-30

Publications (2)

Publication Number Publication Date
JPH0277927U true JPH0277927U (en) 1990-06-14
JPH0510419Y2 JPH0510419Y2 (en) 1993-03-15

Family

ID=31433726

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988155788U Expired - Lifetime JPH0510419Y2 (en) 1988-11-30 1988-11-30

Country Status (1)

Country Link
JP (1) JPH0510419Y2 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57200918U (en) * 1981-06-18 1982-12-21
JPS61149420U (en) * 1985-03-05 1986-09-16

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57200918U (en) * 1981-06-18 1982-12-21
JPS61149420U (en) * 1985-03-05 1986-09-16

Also Published As

Publication number Publication date
JPH0510419Y2 (en) 1993-03-15

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