JPS6052734U

JPS6052734U - High frequency signal switching device

Info

Publication number: JPS6052734U
Application number: JP14562883U
Authority: JP
Inventors: 生駒　郁夫; 久保田　隆馬
Original assignee: 三洋電機株式会社; 山口三洋工業株式会社
Priority date: 1983-09-19
Filing date: 1983-09-19
Publication date: 1985-04-13
Also published as: JPH0238513Y2

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

[Brief explanation of drawings]

第１図は、従来の高周波信号切換え装置の回路構成図、
第２図は他の従来例の回路構成図である。第３図は本考
案の高周波信号切換え装置の１実施例の回路構成図、第
４図、第５図は本考案の他の実施例の回路構成図である
。１．７・・・第１、第２入力端子、６・・・第１出力端
子、３．４．９．１０・・・第１、第２、第３、第４ダ
イオード、１８．２０・・・第１、第２トランジスタ、
１５．１７・・・第１、第２バイアス回路、２３．３１
・・・第５、第６ダイオード。FIG. 1 is a circuit diagram of a conventional high-frequency signal switching device.
FIG. 2 is a circuit diagram of another conventional example. FIG. 3 is a circuit diagram of one embodiment of the high frequency signal switching device of the present invention, and FIGS. 4 and 5 are circuit diagrams of other embodiments of the present invention. 1.7... First and second input terminals, 6... First output terminals, 3.4.9.10... First, second, third, and fourth diodes, 18.20. ...first and second transistors,
15.17...first and second bias circuits, 23.31
...5th and 6th diodes.

Claims

[Scope of utility model registration request]

A first input terminal for inputting a first high frequency signal and a first coupling capacitor, a first diode, a second
A first signal system includes a diode and a first output terminal that receives the signal through a second coupling capacitor, a second input terminal that receives the second high-frequency signal, and a third signal system that receives the second high-frequency signal.
a second signal system comprising a coupling capacitor, a third diode, a fourth diode, and the first output terminal received through the second coupling capacitor, and grounding the coupling point of the first and second diodes when activated; a first transistor;
a second transistor that connects the connection point of the third and fourth diodes to ground when activated; and a second transistor that receives operating power from a first control terminal and forward biases each of the first and second diodes; a first bias circuit that controls the operation of the second transistor; and a first bias circuit that receives switching power from a second control terminal that controls the operation of the first transistor;
The second transistor is controlled to be open by substantially grounding the transistor, and the third transistor is controlled to be open.
, a second bias circuit that biases each of the fourth diodes in a forward direction, and further biases both the first and second diodes in a reverse direction.