JPS60174311U - UHF oscillation circuit - Google Patents
UHF oscillation circuitInfo
- Publication number
- JPS60174311U JPS60174311U JP6348684U JP6348684U JPS60174311U JP S60174311 U JPS60174311 U JP S60174311U JP 6348684 U JP6348684 U JP 6348684U JP 6348684 U JP6348684 U JP 6348684U JP S60174311 U JPS60174311 U JP S60174311U
- Authority
- JP
- Japan
- Prior art keywords
- oscillation circuit
- diode
- trap
- uhf oscillation
- capacitance
- 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
- Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案に係るＵＨＦ発振回路図、第２図は本考
案の前提となるＵＨＦ発振回路図、及び第３図は第２図
の発振回路を用いたＢＳチューナにおける選局装置の要
部平面図である。
３１・・・・・・可変容量ダイオード、３２・・・・・
・共振線路、３３・・・・・・発振用トランジスタ、３
５・・・・・・ダイオード。Fig. 1 is a UHF oscillation circuit diagram according to the present invention, Fig. 2 is a UHF oscillation circuit diagram on which the present invention is based, and Fig. 3 is a diagram of a tuning device in a BS tuner using the oscillation circuit shown in Fig. 2. FIG. 31... Variable capacitance diode, 32...
・Resonance line, 33...Oscillation transistor, 3
5...Diode.
Claims (1)
を具備し、前記トランジスタのコレクタ及びエミッタ間
にダイオードを逆バイアス方向に接続し、このダイオー
ドの電極間容量を帰還容量に用いて所望帯域内でのトラ
ップを阻止することを特徴とするＬＪＨＦ発振回路。It is equipped with a variable capacitance diode, a resonant line, and an oscillation transistor, and a diode is connected in a reverse bias direction between the collector and emitter of the transistor, and the interelectrode capacitance of this diode is used as a feedback capacitance to trap a trap within a desired band. An LJHF oscillation circuit characterized by blocking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6348684U JPS60174311U (en) | 1984-04-26 | 1984-04-26 | UHF oscillation circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6348684U JPS60174311U (en) | 1984-04-26 | 1984-04-26 | UHF oscillation circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60174311U true JPS60174311U (en) | 1985-11-19 |
Family
ID=30593678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6348684U Pending JPS60174311U (en) | 1984-04-26 | 1984-04-26 | UHF oscillation circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60174311U (en) |
-
1984
- 1984-04-26 JP JP6348684U patent/JPS60174311U/en active Pending
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