JPS591246U - UHF electronic tuning tuner - Google Patents
UHF electronic tuning tunerInfo
- Publication number
- JPS591246U JPS591246U JP9573182U JP9573182U JPS591246U JP S591246 U JPS591246 U JP S591246U JP 9573182 U JP9573182 U JP 9573182U JP 9573182 U JP9573182 U JP 9573182U JP S591246 U JPS591246 U JP S591246U
- Authority
- JP
- Japan
- Prior art keywords
- interstage
- uhf electronic
- capacitor
- electronic tuning
- tuning tuner
- 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
Links
Landscapes
- Noise Elimination (AREA)
- Superheterodyne Receivers (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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来のＵＨＦ電子同調チューナの回路構成を示
すブロック図、第２図は本考案の一実施例を示すブロッ
ク図、第３図および第４図はそれぞれ本考案の一実施例
の示す特性図、である。
符号説明、１・・・アンテナ入力端子、２・・・入力回
路、３・・・局部発振回路、４・・・ミクサ回路、５・
・・出力回路、６・・・ＩＦ出力端子、７・・・段間１
次同調用コンデンサ、８・・・段間１次共振線、９・・
・段間１次可変容量ダイオード、１０・・・段間２次同
調用コンデンサ、１１・・・段間２次共振線、１２・・
・段間２次可変容量ダイオード、１３・・・ミクサ回路
結合線、１４・・・結合コンデンサ、１５・・・下側ト
ラップ形成部。Fig. 1 is a block diagram showing the circuit configuration of a conventional UHF electronic tuning tuner, Fig. 2 is a block diagram showing an embodiment of the present invention, and Figs. 3 and 4 each show an embodiment of the present invention. This is a characteristic diagram. Description of symbols, 1... Antenna input terminal, 2... Input circuit, 3... Local oscillation circuit, 4... Mixer circuit, 5...
...Output circuit, 6...IF output terminal, 7...Interstage 1
Next tuning capacitor, 8... Inter-stage primary resonance line, 9...
・Interstage primary variable capacitance diode, 10... Interstage secondary tuning capacitor, 11... Interstage secondary resonance line, 12...
- Interstage secondary variable capacitance diode, 13... Mixer circuit coupling line, 14... Coupling capacitor, 15... Lower trap forming section.
Claims (1)
ー）の他端を可変容量にて接地する形式の１．いわゆる
入／２（但し屓よ波長）型同調回路を段間−次及び段間
二次同調回路に用い、段間−次のコイルと固定容量との
接続点を容量を介してミクサ回路の入力側へ結合して成
ることを特徴とするＵＨＦ電子同調チューナ。1. One end of the coil (inductor) is grounded via a fixed capacitor, and the other end is grounded via a variable capacitor. A so-called input/2 (however, wavelength) type tuning circuit is used for the interstage-next and interstage secondary tuning circuits, and the connection point between the interstage-next coil and the fixed capacitor is connected to the input of the mixer circuit via the capacitor. A UHF electronic tuning tuner characterized by being coupled to the side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9573182U JPS591246U (en) | 1982-06-28 | 1982-06-28 | UHF electronic tuning tuner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9573182U JPS591246U (en) | 1982-06-28 | 1982-06-28 | UHF electronic tuning tuner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS591246U true JPS591246U (en) | 1984-01-06 |
Family
ID=30228471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9573182U Pending JPS591246U (en) | 1982-06-28 | 1982-06-28 | UHF electronic tuning tuner |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS591246U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014067398A1 (en) * | 2012-10-30 | 2014-05-08 | Cai Jinhui | Automobile turn signal lighting |
-
1982
- 1982-06-28 JP JP9573182U patent/JPS591246U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014067398A1 (en) * | 2012-10-30 | 2014-05-08 | Cai Jinhui | Automobile turn signal lighting |
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