JPS58149859U

JPS58149859U - directional coupler

Info

Publication number: JPS58149859U
Application number: JP1982046344U
Authority: JP
Inventors: 寛辻
Original assignee: ミツミ電機株式会社
Priority date: 1982-03-30
Filing date: 1982-03-30
Publication date: 1983-10-07

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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

第１図は一般的なブースタの回路ブロック図、第２図は
本考案の一実施例になる増巾回路及び和回路の具体的回
路図、第３図は第２図の増巾回路。のアイソレーションの特性を説明する為の特性図を夫々
示す。１・・・・・・ブースタ、２・・・用フィルタ回路、３
．　５゜６・・・・・・増巾回路、４・・・・・・分配
器、７・・・・・・和回路、Ｃ□〜Ｃ９・・・・・・コ
ンデンサ、Ｌ□〜Ｌ、・・・・・・コイル、Ｑ・・・・
・・トランジスタ、ｃｄ・・・・・・分布容量。FIG. 1 is a circuit block diagram of a general booster, FIG. 2 is a specific circuit diagram of an amplification circuit and a summation circuit according to an embodiment of the present invention, and FIG. 3 is an amplification circuit of FIG. 2. Characteristic diagrams are shown to explain the isolation characteristics of each. 1... booster, 2... filter circuit, 3
．． 5゜6... Amplifier circuit, 4... Distributor, 7... Sum circuit, C□~C9... Capacitor, L□~L,・・・・・・Coil, Q・・・・・・
...Transistor, CD...Distributed capacitance.

Claims

[Scope of utility model registration request]

A directional coupler in which first and second inputs are connected to one end and the other end of an input side coil, respectively, characterized in that a resistor is connected between one end of the input side coil and the second input. directional coupler.