JPS58121181U

JPS58121181U - Isolated transistor drive circuit

Info

Publication number: JPS58121181U
Application number: JP1864182U
Authority: JP
Inventors: 一雄岸本
Original assignee: 三菱電機株式会社
Priority date: 1982-02-10
Filing date: 1982-02-10
Publication date: 1983-08-18

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 the drawing]

第１図は従来装置の結線図であり、第２図は本考案の一
実施例の結線図である。ＩＡ・・・絶縁形トランジスタ駆動回路、２Ａ・・・入
力バッファ回路、ＢａとＢｂ・・・バッファ、３ａと・
３ｂ・・・絶縁形スイッチ回路、４・・・出力トランジ
スタ。補正　昭５７．　８．２５実用新案登録請求の範囲を次のように補正する。 ■実用新案登録請求の範囲（１）　　入力信号に応答する入力バッファ回路と、こ
の人力バッファ回路の出力信号に応答して相補出力を発
生しかつこの相補出力を出力トランジスタのそれぞれコ
レクタとベースの間、ベースとエミッタの間に印加する
絶縁形スイッチ回路とを備えた絶縁形トランジスタ駆動
回路。（２）入力バッファ回路は入力信号に応答して非反転出
力信号を発生するバッファおよび前記入力信号に応答し
て前記非反転出力信号を反転させた信号に等しい反転出
力信号を発生する他のバッファから成り、絶縁形スイッ
チ回路をを２個□設け、一方の絶縁形スイッチ回路が前
記非反転出力信号に応答して出力トランジスタのコレク
タとベースの間をオン／オフし、他方の絶縁形スイッチ
回路が前記反転出力信号に応答して前記トランジスタの
ベースとエミッタの間をオフ／オンする実用新案登録請
求の範囲第１項記載の絶縁形トランジスタ駆動回路。FIG. 1 is a wiring diagram of a conventional device, and FIG. 2 is a wiring diagram of an embodiment of the present invention. IA...Insulated transistor drive circuit, 2A...Input buffer circuit, Ba and Bb...Buffer, 3a...
3b...Insulated switch circuit, 4...Output transistor. Correction 1984. 8.25 The scope of claims for utility model registration shall be amended as follows. ■Claims for Utility Model Registration (1) An input buffer circuit that responds to an input signal, and generates a complementary output in response to the output signal of this manual buffer circuit, and outputs this complementary output between the collector and base of each transistor. , and an isolated switch circuit that applies voltage between the base and the emitter. (2) The input buffer circuit includes a buffer that generates a non-inverted output signal in response to an input signal, and another buffer that generates an inverted output signal equal to an inverted signal of the non-inverted output signal in response to the input signal. Two insulated switch circuits are provided, one insulated switch circuit turns on/off between the collector and base of the output transistor in response to the non-inverted output signal, and the other insulated switch circuit turns on/off between the collector and base of the output transistor. 2. The isolated transistor drive circuit according to claim 1, wherein the insulated transistor drive circuit turns on/off between the base and emitter of the transistor in response to the inverted output signal.

Claims

[Scope of utility model registration request]

(1) An input buffer circuit that responds to an input signal, generates a complementary output in response to an output signal of this input buffer circuit, and outputs this complementary output between the collector and base and between the base and emitter of the output transistor, respectively. An isolated transistor drive circuit comprising: an isolated switch circuit that applies voltage to the transistor;

(2) The input buffer circuit includes a buffer that generates a non-inverted output signal in response to an input signal, and a buffer that generates an inverted output signal equal to an inverted signal of the non-inverted output signal in response to the input signal. The buffer includes two isolated switch circuits, one of which turns on/off between the collector and base of the output transistor in response to the non-inverted output signal, and the other isolated switch circuit turns on and off between the collector and base of the output transistor. 2. The isolated transistor drive circuit according to claim 1, wherein the insulated transistor drive circuit turns off/on between the base and emitter of the output transistor in response to the inverted output signal.