JPH0197626U - - Google Patents
Info
- Publication number
- JPH0197626U JPH0197626U JP19418787U JP19418787U JPH0197626U JP H0197626 U JPH0197626 U JP H0197626U JP 19418787 U JP19418787 U JP 19418787U JP 19418787 U JP19418787 U JP 19418787U JP H0197626 U JPH0197626 U JP H0197626U
- Authority
- JP
- Japan
- Prior art keywords
- assembled
- local oscillation
- tuning
- support plate
- screw
- 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
- 230000010355 oscillation Effects 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 2
Description
第１図は、本考案の一実施例である局部発振回
路のＬＣ共振回路部分を示す断面図、第２図は第
１図に示したＬＣ共振回路部分の斜視図、第３図
は局部発振回路の全体の回路図、第４図は第１図
に示したサポート板の他の実施例を示す側面図で
ある。第５図は従来の局部発振回路の調整用ネジ
の取付構造を示すチユーナの部分断面図である。
Ａ…局部発振回路、Ｂ…ＬＣ共振回路、１２…
ネジ、１３…同調コイル、２２…シヤーシベース
、２３…透孔、２４…プリント基板、２６…金属
プレート、２７…サポート板。
FIG. 1 is a cross-sectional view showing the LC resonant circuit portion of a local oscillation circuit that is an embodiment of the present invention, FIG. 2 is a perspective view of the LC resonant circuit portion shown in FIG. 1, and FIG. FIG. 4 is a side view showing another embodiment of the support plate shown in FIG. 1. FIG. 5 is a partial sectional view of a tuner showing the mounting structure of the adjustment screw of a conventional local oscillation circuit. A...Local oscillation circuit, B...LC resonant circuit, 12...
Screw, 13... Tuning coil, 22... Chassis base, 23... Through hole, 24... Printed circuit board, 26... Metal plate, 27... Support plate.
Claims (1)
するネジを螺合させたサポート板を同調用部品と
共に組付けたサブアツセンブル体を、上記ネジを
シールドベースに穿設した透孔に対応させて、シ
ールドベース内のプリント基板上に取付けたこと
を特徴とする局部発振回路。 A sub-assembled body is assembled with a support plate, which has a screw that moves forward and backward as a core into the tuning coil on a metal plate, and is assembled with tuning parts. A local oscillation circuit characterized by being mounted on a printed circuit board inside the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19418787U JPH0438580Y2 (en) | 1987-12-21 | 1987-12-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19418787U JPH0438580Y2 (en) | 1987-12-21 | 1987-12-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0197626U true JPH0197626U (en) | 1989-06-29 |
| JPH0438580Y2 JPH0438580Y2 (en) | 1992-09-09 |
Family
ID=31699856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19418787U Expired JPH0438580Y2 (en) | 1987-12-21 | 1987-12-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0438580Y2 (en) |
-
1987
- 1987-12-21 JP JP19418787U patent/JPH0438580Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0438580Y2 (en) | 1992-09-09 |
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