JPS60111145U - UHF tuner - Google Patents
UHF tunerInfo
- Publication number
- JPS60111145U JPS60111145U JP19908583U JP19908583U JPS60111145U JP S60111145 U JPS60111145 U JP S60111145U JP 19908583 U JP19908583 U JP 19908583U JP 19908583 U JP19908583 U JP 19908583U JP S60111145 U JPS60111145 U JP S60111145U
- Authority
- JP
- Japan
- Prior art keywords
- distributed constant
- constant line
- circuit
- tuning circuit
- uhf 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.)
- Granted
Links
Landscapes
- 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チューナの概略断面図、第２図は
本考案の実施例の概略断面図、第３図及び第４図は分布
定数線路の電圧及び電流分布説明図である。
１〜４はバラクタダイオード、５〜３は同調容量、９〜
１２は分布定数線路、１３は入力ループ、１４はミキサ
ループ、１５は発振ループ、１６はミキサダイード、１
７は高周波増幅器、１８は発振増幅器、１９は入力端子
、２０は出力端子、２１は筐体、２２はコンデンサ、２
３はコイルである。 −FIG. 1 is a schematic sectional view of a conventional UHF tuner, FIG. 2 is a schematic sectional view of an embodiment of the present invention, and FIGS. 3 and 4 are illustrations of voltage and current distribution of a distributed constant line. 1-4 are varactor diodes, 5-3 are tuning capacitors, 9-
12 is a distributed constant line, 13 is an input loop, 14 is a mixer loop, 15 is an oscillation loop, 16 is a mixer diode, 1
7 is a high frequency amplifier, 18 is an oscillation amplifier, 19 is an input terminal, 20 is an output terminal, 21 is a housing, 22 is a capacitor, 2
3 is a coil. −
Claims (1)
平行に設けた段間複同調回路の分布定数線路と、局部発
振回路の分布定数線路とをそれぞれ筐体内に収容したＵ
ＨＦチューナに於いて、前記アンテナ同調回路の分布定
数線路と前記段間複同調回路の分布定数線路との高電位
端が互いに反対となるように設け、前記局部発振回路の
分布定数線路を、前記アンテナ同調回路の分布定数線路
及び前記段間複同調回路の分布定数線路に対して直角方
向に配置したことを特徴とするＵＨＦチューナ。A U in which a distributed constant line of an antenna tuning circuit, a distributed constant line of an interstage double-tuned circuit provided in parallel with the distributed constant line, and a distributed constant line of a local oscillation circuit are respectively housed in a housing.
In the HF tuner, the distributed constant line of the antenna tuning circuit and the distributed constant line of the interstage double tuning circuit are provided so that their high potential ends are opposite to each other, and the distributed constant line of the local oscillation circuit is connected to the distributed constant line of the local oscillation circuit. A UHF tuner, characterized in that the UHF tuner is arranged in a direction perpendicular to the distributed constant line of the antenna tuning circuit and the distributed constant line of the interstage double tuning circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19908583U JPS60111145U (en) | 1983-12-27 | 1983-12-27 | UHF tuner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19908583U JPS60111145U (en) | 1983-12-27 | 1983-12-27 | UHF tuner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60111145U true JPS60111145U (en) | 1985-07-27 |
| JPH0110014Y2 JPH0110014Y2 (en) | 1989-03-22 |
Family
ID=30758683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19908583U Granted JPS60111145U (en) | 1983-12-27 | 1983-12-27 | UHF tuner |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60111145U (en) |
-
1983
- 1983-12-27 JP JP19908583U patent/JPS60111145U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0110014Y2 (en) | 1989-03-22 |
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