JPS5927634U - high frequency switch - Google Patents
high frequency switchInfo
- Publication number
- JPS5927634U JPS5927634U JP1982121631U JP12163182U JPS5927634U JP S5927634 U JPS5927634 U JP S5927634U JP 1982121631 U JP1982121631 U JP 1982121631U JP 12163182 U JP12163182 U JP 12163182U JP S5927634 U JPS5927634 U JP S5927634U
- Authority
- JP
- Japan
- Prior art keywords
- high frequency
- frequency signal
- frequency switch
- signal generation
- generation source
- 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
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims 3
- 238000004804 winding Methods 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 1
- 230000008571 general function Effects 0.000 description 1
Landscapes
- Electronic Switches (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図は一般的な高周波スイッチの概略機能を説明する
ためのブロック図、第２図は従来の高周波スイッチの構
成を示す回路図、第３図は本考案に係る高周波スイッチ
の一実施例の構成を示すブロック図である。
１：アンテナ、２：高周波スイッチ、３：ビデオテープ
レコーダ、４：テレビ受像機、１１．１４：入力端子、
１２． １３：出力端子、２１．２２゜５５＝高域フイ
ルタ、２３：高周波トランス、２５〜２Ｂ、３４．５３
：コイル、２９〜３２：ダイオード、３３．５４：コン
デンサ、４１〜４４ニトランジスタ、４５．４６：可変
容量ダイオード、４７〜５２：抵抗。Fig. 1 is a block diagram for explaining the general functions of a general high-frequency switch, Fig. 2 is a circuit diagram showing the configuration of a conventional high-frequency switch, and Fig. 3 is an embodiment of the high-frequency switch according to the present invention. FIG. 2 is a block diagram showing the configuration. 1: Antenna, 2: High frequency switch, 3: Video tape recorder, 4: Television receiver, 11.14: Input terminal,
12. 13: Output terminal, 21.22°55 = high-pass filter, 23: High frequency transformer, 25-2B, 34.53
: Coil, 29-32: Diode, 33.54: Capacitor, 41-44 transistor, 45.46: Variable capacitance diode, 47-52: Resistor.
Claims (1)
第２の高周波信号を他に優先して一つの系統に送り込む
高周波スイッチにおいて、−次巻線が第１の高周波信号
発生源に接続され、且つ、二次巻線の中間部が接地され
るとともに、その一端が第１の系統機器の入力端子に接
続される高周波トランスと、端子間電圧に応じて静電容
量が変化する一対の可変容量ダイオードが互いに逆向き
に直列接続され、前記高周波トランスの他端および第２
の系統機器の入力端子間に設けられる可変容量回路と、
前記高周波トランスの二次巻線の他端および接地点間に
設けられる第１のスイッチング素子と、第２の高周波信
号発生源および前記第１の機器系統の入力端子間に設け
られる第２のスイッチング素子とを具備したことを特徴
とする高周波スイッチ。 ・（２）前記第１および第
２のスイッチング素子としてトランジスタを用いること
を特徴とする実用新案登録請求の範囲第１項記載の高周
波スイン（３） 前記第１および第２のスイッチング
素子のオン・オフ制御、ならびに、前記可変容量ダイオ
ードの静電容量制御を前記第２の高周波信号発生源の直
流電源によって行うことを特徴とする実用新案登録請求
の範囲第１項または第２項記載の高周波スイッチ。(1) Distributing the first high frequency signal to two systems, and
In a high-frequency switch that sends a second high-frequency signal to one system with priority over others, the negative winding is connected to the first high-frequency signal generation source, and the intermediate part of the secondary winding is grounded. , a high-frequency transformer whose one end is connected to the input terminal of the first system device, and a pair of variable capacitance diodes whose capacitance changes according to the voltage between the terminals are connected in series in opposite directions, and the high-frequency transformer the other end and the second
a variable capacitance circuit provided between the input terminals of the system equipment;
A first switching element provided between the other end of the secondary winding of the high frequency transformer and a ground point, and a second switching element provided between a second high frequency signal generation source and an input terminal of the first equipment system. A high frequency switch characterized by comprising an element. -(2) The high frequency switch according to claim 1, which is a utility model registration, characterized in that transistors are used as the first and second switching elements. The high frequency switch according to claim 1 or 2, wherein the off control and the capacitance control of the variable capacitance diode are performed by a DC power source of the second high frequency signal generation source. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1982121631U JPS5927634U (en) | 1982-08-12 | 1982-08-12 | high frequency switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1982121631U JPS5927634U (en) | 1982-08-12 | 1982-08-12 | high frequency switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5927634U true JPS5927634U (en) | 1984-02-21 |
| JPH0311955Y2 JPH0311955Y2 (en) | 1991-03-22 |
Family
ID=30278305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1982121631U Granted JPS5927634U (en) | 1982-08-12 | 1982-08-12 | high frequency switch |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5927634U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03226129A (en) * | 1990-01-31 | 1991-10-07 | Toshiba Corp | Radio communication equipment |
-
1982
- 1982-08-12 JP JP1982121631U patent/JPS5927634U/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03226129A (en) * | 1990-01-31 | 1991-10-07 | Toshiba Corp | Radio communication equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0311955Y2 (en) | 1991-03-22 |
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