JPS6416019A - Decoder driver circuit - Google Patents

Decoder driver circuit

Info

Publication number
JPS6416019A
JPS6416019A JP17215787A JP17215787A JPS6416019A JP S6416019 A JPS6416019 A JP S6416019A JP 17215787 A JP17215787 A JP 17215787A JP 17215787 A JP17215787 A JP 17215787A JP S6416019 A JPS6416019 A JP S6416019A
Authority
JP
Japan
Prior art keywords
output
voltage
bias resistor
emitter
base
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
Application number
JP17215787A
Other languages
Japanese (ja)
Other versions
JP2534713B2 (en
Inventor
Kenichi Sagara
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC IC Microcomputer Systems Co Ltd
Original Assignee
NEC IC Microcomputer Systems Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by NEC IC Microcomputer Systems Co Ltd filed Critical NEC IC Microcomputer Systems Co Ltd
Priority to JP62172157A priority Critical patent/JP2534713B2/en
Publication of JPS6416019A publication Critical patent/JPS6416019A/en
Application granted granted Critical
Publication of JP2534713B2 publication Critical patent/JP2534713B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Electronic Switches (AREA)

Abstract

PURPOSE:To apply a stable output voltage while suppressing the fluctuation of saturation voltage of an output transistor (TR) by operating independently each driver circuit to drive the output TR at a stable current at all times. CONSTITUTION:A base (base of a TR 6) is connected to an equivalent PNP TR (pseudo Darlington) comprising PNP TRs 6, 7 is connected to a bias circuit 29 formed by connecting a bias resistor 1 and the anode of a diode 5 and the other terminal of a bias resistor 1 is connected to the emitter of the equivalent PNP TR (connecting point of the emitter of the TR 6 and the collector of the TR 7) through a bias resistor 2. Thus, the base-emitter voltage of the TR 6 is subtracted from the potential of the bias circuit 29, and divided by the bias resistor 2 and supplied as nearly constant current as the driving current of the TR 8. Thus, the fluctuation of the saturation voltage of the output TR 8 is suppressed and the output voltage is made stable.
JP62172157A 1987-07-09 1987-07-09 Decoder driver circuit Expired - Lifetime JP2534713B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62172157A JP2534713B2 (en) 1987-07-09 1987-07-09 Decoder driver circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62172157A JP2534713B2 (en) 1987-07-09 1987-07-09 Decoder driver circuit

Publications (2)

Publication Number Publication Date
JPS6416019A true JPS6416019A (en) 1989-01-19
JP2534713B2 JP2534713B2 (en) 1996-09-18

Family

ID=15936625

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62172157A Expired - Lifetime JP2534713B2 (en) 1987-07-09 1987-07-09 Decoder driver circuit

Country Status (1)

Country Link
JP (1) JP2534713B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012074801A (en) * 2010-09-28 2012-04-12 Yazaki Corp Analog-digital converter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012074801A (en) * 2010-09-28 2012-04-12 Yazaki Corp Analog-digital converter

Also Published As

Publication number Publication date
JP2534713B2 (en) 1996-09-18

Similar Documents

Publication Publication Date Title
ES453449A1 (en) Video amplifier
JPS57167671A (en) Semiconductor integrated circuit
JPS6416019A (en) Decoder driver circuit
EP0101643A3 (en) Constant current sources for field contact inputs
JPS6421616A (en) Current mirror circuit
EP0313746A3 (en) Ecl input circuit for cmos devices
JPS6467613A (en) Protecting circuit
FR2345759A1 (en) Temp. compensated constant voltage circuit - has negative feedback driven by constant current circuit with positive temp. coefficient
JPS5738012A (en) Variable resistor circuit using current miller circuit
JPS57106185A (en) Drive circuit for light emitting diode
JPS54157459A (en) Amplifier circuit
JPS5665512A (en) Electronic circuit
JPS6478506A (en) Trans-impedance circuit
EP0180337A3 (en) Buffer circuit
JPS5783912A (en) Current amplifying circuit
JPS5626482A (en) Pulse modulation circuit for laser diode
JPS57162521A (en) Gate circuit
JPS6410727A (en) Semiconductor differential circuit
JPS6420710A (en) Differential amplifier circuit
JPS5390847A (en) Power amplifier
JPS5753152A (en) Inverter circuit
JPS6465922A (en) Semiconductor integrated circuit
JPS567117A (en) Constant electric current circuit
JPS627175A (en) Light emitting diode driving circuit
JPS56107642A (en) Logical circuit