JPS5656036A - Pulse driving circuit - Google Patents

Pulse driving circuit

Info

Publication number
JPS5656036A
JPS5656036A JP13152379A JP13152379A JPS5656036A JP S5656036 A JPS5656036 A JP S5656036A JP 13152379 A JP13152379 A JP 13152379A JP 13152379 A JP13152379 A JP 13152379A JP S5656036 A JPS5656036 A JP S5656036A
Authority
JP
Japan
Prior art keywords
voltage
csw
source
current
inputted
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.)
Pending
Application number
JP13152379A
Other languages
Japanese (ja)
Inventor
Ryozo Yoshino
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP13152379A priority Critical patent/JPS5656036A/en
Publication of JPS5656036A publication Critical patent/JPS5656036A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K5/01—Shaping pulses
    • H03K5/02—Shaping pulses by amplifying

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Manipulation Of Pulses (AREA)
  • Electronic Switches (AREA)
  • Logic Circuits (AREA)

Abstract

PURPOSE:To shorten the raise and fall times of a pulse output by using npn transistors for a couple of pulse driving transistors constituting a current switch and by leading outputs from their collectors for control over the amount of electric current. CONSTITUTION:Current switch CSW is composed of driving npn transistors TR11 and TR12, the voltage source for CSW and the constant current source consist of Darlington-connected TRs 14 and 15, and TR13 respectively, and the feedback loop is formed from the connection point of the electric power source and resistance 16 to the current source. A feedback output is inputted to operational amplifier 9 and the base voltage of TR13 is controlled in the same way as amplitude reference voltage Vref. Further, the voltage at the connection point of CSW and the voltage source is inputted to operational amplifier 8 and the base voltage of TR14, is controlled in the same way as level reference voltage VL. Then CSW is driven by buffer gate 10 differentially and emitters of TRs 11 and 12 are driven by the collector of TR13 with constant current to obtain a pulse output with accurate amplitude and an accurate level, so that its rise and fall times will be shortened.
JP13152379A 1979-10-12 1979-10-12 Pulse driving circuit Pending JPS5656036A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13152379A JPS5656036A (en) 1979-10-12 1979-10-12 Pulse driving circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13152379A JPS5656036A (en) 1979-10-12 1979-10-12 Pulse driving circuit

Publications (1)

Publication Number Publication Date
JPS5656036A true JPS5656036A (en) 1981-05-16

Family

ID=15060041

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13152379A Pending JPS5656036A (en) 1979-10-12 1979-10-12 Pulse driving circuit

Country Status (1)

Country Link
JP (1) JPS5656036A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03252217A (en) * 1990-02-20 1991-11-11 Precision Monolithics Inc High-accuracy switching current source
JP2013098599A (en) * 2011-10-28 2013-05-20 Advantest Corp Driver circuit and testing apparatus

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5286756A (en) * 1975-12-11 1977-07-19 Diesel Kiki Co Square wave amplitude limiting circuit
JPS5233231B2 (en) * 1975-07-17 1977-08-26

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5233231B2 (en) * 1975-07-17 1977-08-26
JPS5286756A (en) * 1975-12-11 1977-07-19 Diesel Kiki Co Square wave amplitude limiting circuit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03252217A (en) * 1990-02-20 1991-11-11 Precision Monolithics Inc High-accuracy switching current source
JP2013098599A (en) * 2011-10-28 2013-05-20 Advantest Corp Driver circuit and testing apparatus

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