JPS5636207A - Amplifier - Google Patents

Amplifier

Info

Publication number
JPS5636207A
JPS5636207A JP11186479A JP11186479A JPS5636207A JP S5636207 A JPS5636207 A JP S5636207A JP 11186479 A JP11186479 A JP 11186479A JP 11186479 A JP11186479 A JP 11186479A JP S5636207 A JPS5636207 A JP S5636207A
Authority
JP
Japan
Prior art keywords
ground
transistors
excess current
flow
switching circuit
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
JP11186479A
Other languages
Japanese (ja)
Inventor
Keishi Saito
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.)
Pioneer Corp
Original Assignee
Pioneer Electronic Corp
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 Pioneer Electronic Corp filed Critical Pioneer Electronic Corp
Priority to JP11186479A priority Critical patent/JPS5636207A/en
Publication of JPS5636207A publication Critical patent/JPS5636207A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/52—Circuit arrangements for protecting such amplifiers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)

Abstract

PURPOSE:To eliminate an unstable operation, by flowing the excess current for large output to the ground which has no influence upon the circuit operation. CONSTITUTION:Switching circuit S which becomes conductive with a prescribed voltage is connected between ground G and the collector side of input-side transistor Q1 of complementary connected transistors Q2 and Q3. Since constant voltages are always given to bases of transistors Q4 and Q5 in switching circuit S by Zener diodes D7 and D8, transistors Q4 and Q5 become conductive by the excess current below and flow it to ground G if diodes D5 and D6 flow the excess current clipped by the prescribed voltage. Therefore, the clip current is not flowed to the line of power source + or -B2.
JP11186479A 1979-08-31 1979-08-31 Amplifier Pending JPS5636207A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11186479A JPS5636207A (en) 1979-08-31 1979-08-31 Amplifier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11186479A JPS5636207A (en) 1979-08-31 1979-08-31 Amplifier

Publications (1)

Publication Number Publication Date
JPS5636207A true JPS5636207A (en) 1981-04-09

Family

ID=14572073

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11186479A Pending JPS5636207A (en) 1979-08-31 1979-08-31 Amplifier

Country Status (1)

Country Link
JP (1) JPS5636207A (en)

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