JPS5893054U - Local oscillation signal output circuit - Google Patents
Local oscillation signal output circuitInfo
- Publication number
- JPS5893054U JPS5893054U JP18900781U JP18900781U JPS5893054U JP S5893054 U JPS5893054 U JP S5893054U JP 18900781 U JP18900781 U JP 18900781U JP 18900781 U JP18900781 U JP 18900781U JP S5893054 U JPS5893054 U JP S5893054U
- Authority
- JP
- Japan
- Prior art keywords
- lead wire
- local oscillation
- tuning
- oscillation signal
- signal output
- 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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図〜第４図は従来の局部発振信号出力回路を示す接
続図、第５図及び第６図は本考案による局部発振信号出
力回路の一実施例を示す平面図及び正面図、第７図及び
第８図はその動作の説明に供する等節回路及び特性曲線
図、第９図及び第１０図は本考案の他の例を示す接続図
である。 −０ＳＣ・・・局部発振同調回路、Ｌｏ
・・・同調コイル、ｃｏ・・・同調コンデンサ、１・・
・絶縁基板、２川リード線、４・・・配線パターン、５
・・・リード線、７・・・配線パターン、１１・・・出
力用抵抗、１２・・・リード線、１４．１５・・・配線
パターン、１６・・・リード線、１８・・・配線パター
ン、１９・・・折返し部、２ｏ・・・出力端子、２１・
・・配線パターン。1 to 4 are connection diagrams showing a conventional local oscillation signal output circuit, FIGS. 5 and 6 are a plan view and a front view showing an embodiment of the local oscillation signal output circuit according to the present invention, and FIG. 8 and 8 are isochoric circuit and characteristic curve diagrams for explaining the operation thereof, and FIGS. 9 and 10 are connection diagrams showing other examples of the present invention. -0SC...Local oscillation tuning circuit, Lo
... Tuning coil, co... Tuning capacitor, 1...
・Insulating board, 2 lead wires, 4... wiring pattern, 5
... Lead wire, 7... Wiring pattern, 11... Output resistor, 12... Lead wire, 14.15... Wiring pattern, 16... Lead wire, 18... Wiring pattern , 19... folding part, 2o... output terminal, 21...
・Wiring pattern.
Claims (1)
調電流に誘導結合させ、た出力用素子を有し、この出力
用素子のリード線部と上記同調コイルのリード線部との
間に静電容量を分布形成させ、この静電容量を介して上
記同調電流を上記出力用素子側の回路に容量結合させる
ことを特徴とする局部発振信号出力回路。 ２ 上記同調コイルのリード線部を当該同調コイルから
延長するリード線と、上記同調コイルが取付けられる絶
縁基板上に形成されかつ上記リード線が接続される配線
パターンとで構成すると共に、上記出力用素子のリード
線部を当該出力用素子から延長するリード線をコ字状に
折返すことにより形成し、当該折返し部を上記配線パタ
ーンに近接させることにより容量結合させてなる実用新
案登録請求の範囲第１項に記載の局部発振信号出力回路
。[Claims for Utility Model Registration] 1. An output element that is inductively coupled to a tuning current flowing through a tuning coil included in a local oscillation tuning circuit, and a lead wire of the output element and a lead wire of the tuning coil. A local oscillation signal output circuit characterized in that a capacitance is formed in a distributed manner between the capacitance and the capacitance, and the tuning current is capacitively coupled to the circuit on the output element side via the capacitance. 2. The lead wire portion of the tuning coil is composed of a lead wire extending from the tuning coil, and a wiring pattern formed on an insulating substrate to which the tuning coil is attached and to which the lead wire is connected, and a wiring pattern for the output. Claims for Utility Model Registration: A lead wire portion of an element is formed by folding a lead wire extending from the output element into a U-shape, and capacitive coupling is achieved by bringing the folded portion close to the wiring pattern. The local oscillation signal output circuit according to item 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18900781U JPS5893054U (en) | 1981-12-18 | 1981-12-18 | Local oscillation signal output circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18900781U JPS5893054U (en) | 1981-12-18 | 1981-12-18 | Local oscillation signal output circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5893054U true JPS5893054U (en) | 1983-06-23 |
| JPS6316189Y2 JPS6316189Y2 (en) | 1988-05-09 |
Family
ID=29992909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18900781U Granted JPS5893054U (en) | 1981-12-18 | 1981-12-18 | Local oscillation signal output circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5893054U (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006197027A (en) * | 2005-01-11 | 2006-07-27 | Maspro Denkoh Corp | Filter circuit |
-
1981
- 1981-12-18 JP JP18900781U patent/JPS5893054U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6316189Y2 (en) | 1988-05-09 |
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