FR2444375A1 - Logic circuit for converting signals - has multiple emitter transistor with output coupled to true output of logic circuit via series connected resistor and emitter follower - Google Patents

Logic circuit for converting signals - has multiple emitter transistor with output coupled to true output of logic circuit via series connected resistor and emitter follower

Info

Publication number
FR2444375A1
FR2444375A1 FR7834869A FR7834869A FR2444375A1 FR 2444375 A1 FR2444375 A1 FR 2444375A1 FR 7834869 A FR7834869 A FR 7834869A FR 7834869 A FR7834869 A FR 7834869A FR 2444375 A1 FR2444375 A1 FR 2444375A1
Authority
FR
France
Prior art keywords
logic circuit
output
coupled
true
logic
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
FR7834869A
Other languages
French (fr)
Other versions
FR2444375B1 (en
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.)
KUSHNER JURY
Original Assignee
KUSHNER JURY
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 KUSHNER JURY filed Critical KUSHNER JURY
Priority to FR7834869A priority Critical patent/FR2444375A1/en
Publication of FR2444375A1 publication Critical patent/FR2444375A1/en
Application granted granted Critical
Publication of FR2444375B1 publication Critical patent/FR2444375B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K19/00—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
    • H03K19/02—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components
    • H03K19/08—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components using semiconductor devices
    • H03K19/082—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components using semiconductor devices using bipolar transistors
    • H03K19/086—Emitter coupled logic
    • H03K19/0863—Emitter function logic [EFL]; Base coupled logic [BCL]
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K19/00—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
    • H03K19/01—Modifications for accelerating switching
    • H03K19/013—Modifications for accelerating switching in bipolar transistor circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Power Engineering (AREA)
  • Logic Circuits (AREA)

Abstract

The logic circuit comprises a logic arrangement and an amplifier which has input coupled to an output of the logic arrangement, and has one of its outputs coupled to at least one true output of the logic circuit. The logic arrangement has its output coupled to the true output of the logic circuit via a resistor and an emitter follower, connected in series, the true output of the amplifier being coupled to the true output of the logic circuit via the emitter follower, and a complement output of the amplifier is coupled to the logic arrangement output. Pref. the logic arrangement comprises a multiple emitter transistor performing logical conversion and forward amplification of the signal. The collector of the multiple emitter transistor is coupled to an input of a current switch which provides for reverse amplification of the signal, and the base of the multiple emitter transistor is coupled toa complement output of the current switch.
FR7834869A 1978-12-12 1978-12-12 Logic circuit for converting signals - has multiple emitter transistor with output coupled to true output of logic circuit via series connected resistor and emitter follower Granted FR2444375A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7834869A FR2444375A1 (en) 1978-12-12 1978-12-12 Logic circuit for converting signals - has multiple emitter transistor with output coupled to true output of logic circuit via series connected resistor and emitter follower

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7834869A FR2444375A1 (en) 1978-12-12 1978-12-12 Logic circuit for converting signals - has multiple emitter transistor with output coupled to true output of logic circuit via series connected resistor and emitter follower

Publications (2)

Publication Number Publication Date
FR2444375A1 true FR2444375A1 (en) 1980-07-11
FR2444375B1 FR2444375B1 (en) 1981-07-17

Family

ID=9215956

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7834869A Granted FR2444375A1 (en) 1978-12-12 1978-12-12 Logic circuit for converting signals - has multiple emitter transistor with output coupled to true output of logic circuit via series connected resistor and emitter follower

Country Status (1)

Country Link
FR (1) FR2444375A1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3469202A (en) * 1967-10-23 1969-09-23 Honeywell Inc Low deadband amplifier apparatus
US3600696A (en) * 1969-08-08 1971-08-17 Singer General Precision Complementary paired transistor circuit arrangements
US3846643A (en) * 1973-06-29 1974-11-05 Ibm Delayless transistor latch circuit

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3469202A (en) * 1967-10-23 1969-09-23 Honeywell Inc Low deadband amplifier apparatus
US3600696A (en) * 1969-08-08 1971-08-17 Singer General Precision Complementary paired transistor circuit arrangements
US3846643A (en) * 1973-06-29 1974-11-05 Ibm Delayless transistor latch circuit

Also Published As

Publication number Publication date
FR2444375B1 (en) 1981-07-17

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Legal Events

Date Code Title Description
ST Notification of lapse