JPS63114524U

JPS63114524U -

Info

Publication number: JPS63114524U
Application number: JP588687U
Authority: JP
Priority date: 1987-01-19
Filing date: 1987-01-19
Publication date: 1988-07-23

Description

[Brief explanation of the drawing]

第１図はこの考案のトランジスタスイツチング
回路図、第２図は従来のトランジスタスイツチン
グ回路図である。Ｑ……スイツチングトランジスタ、Ｑ_１，Ｑ_２，Ｑ_３，Ｑ_４……第１、第２、第３、第４のトラ
ンジスタ、Ｒ_１，Ｒ_２，Ｒ_３，Ｒ_４，Ｒ_５，Ｒ_６，Ｒ_７，Ｒ_８，Ｒ_９……第１、第２、第３、第４
、第５、第６、第７、第８、第９の抵抗、Ｃ……
コンデンサ、Ｌ……負荷回路、Ｖｃｃ……電源ラ
イン、ＧＮＤ……接地ライン、……充電ライン
、ＩＮ……制御信号入力端子。 FIG. 1 is a transistor switching circuit diagram of this invention, and FIG. 2 is a conventional transistor switching circuit diagram. Q...Switching transistor, Q ₁ , Q ₂ , Q ₃ , Q ₄ ...first, second _, third, fourth transistor, R ₁ , R 2 , R ₃ , R ₄ , R ₅ , R ₆ , R ₇ , R ₈ , R ₉ ...first, second, third, fourth
, fifth, sixth, seventh, eighth, ninth resistors, C...
Capacitor, L...Load circuit, Vcc...Power line, GND...Grounding line,...Charging line, IN...Control signal input terminal.

Claims

[Scope of utility model registration request]

a switching transistor whose emitter is connected to a power supply line and whose collector is connected to a ground line via a load on which switching is performed; a first transistor connected between the base of the switching transistor and the power supply line; A second transistor connected between the base of the first transistor and the power supply line, a third transistor connected between the power supply line and the charging line, and a third transistor connected between the charging line and the ground line. a series circuit of a first resistor and a capacitor connected; a fourth transistor connected between the other end of the second resistor, one end of which is connected to the base of the second transistor, and a ground line; a third resistor connected between the base of the fourth transistor and a connection point between the first resistor and the capacitor;
a fourth resistor connected between the connection point between the resistor and the capacitor and the ground line, and the other end of the second resistor, one end of which is connected to the base of the second transistor, and the power supply line. a fifth resistor connected to the base of the switching transistor and to the base of the first transistor;
A sixth resistor, a seventh resistor, an eighth resistor, and a ninth resistor each having one end connected to the base of the third transistor and the power supply line, and a common resistor to the other end of these resistors. A transistor switching circuit consisting of a control signal input terminal connected to the