JPS6441512A - Clip circuit - Google Patents

Clip circuit

Info

Publication number
JPS6441512A
JPS6441512A JP62198671A JP19867187A JPS6441512A JP S6441512 A JPS6441512 A JP S6441512A JP 62198671 A JP62198671 A JP 62198671A JP 19867187 A JP19867187 A JP 19867187A JP S6441512 A JPS6441512 A JP S6441512A
Authority
JP
Japan
Prior art keywords
output
vcl
reference voltage
connects
clip
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
JP62198671A
Other languages
Japanese (ja)
Inventor
Yasunori Sakaguchi
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric 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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP62198671A priority Critical patent/JPS6441512A/en
Publication of JPS6441512A publication Critical patent/JPS6441512A/en
Pending legal-status Critical Current

Links

Landscapes

  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)

Abstract

PURPOSE:To decide a clip voltage with high accuracy and to obtain a sharp clip characteristic by providing a differential amplifier whose noninverting input terminal connects to a reference voltage source generating a clip reference voltage, whose inverting input terminal connects to an input terminal and whose output terminal connects to a base of a clip transistor(TR). CONSTITUTION:A base of a TR Q3 being a means whose emitter clips an output of an amplifier stage 10 is connected not to a reference voltage source VCL but to an output of a differential amplifier 20 comprising differential pair TRs Q4, Q5, a bias current source IEO and a load resistor RLO, its inverting input of the differential amplifier connects to an output of the amplifier stage 10 via an emitter follower circuit 21 comprising a TR Q6 and a current source IEEI, and the noninverting output connects to the reference voltage source VCL via an emitter follower circuit 22 comprising a TR Q7 and a current source IEEZ. The TR Q3 is cut off by a minute change of DELTAVO with respect to the reference voltage source VCL, at an output terminal VOUT and the output terminal VOUT is not clamped. On the other hand. the TR Q3 is conductive with respect to a change such as -DELTAv from the VCL and the output terminal VOUT is clamped to the voltage VCL.
JP62198671A 1987-08-07 1987-08-07 Clip circuit Pending JPS6441512A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62198671A JPS6441512A (en) 1987-08-07 1987-08-07 Clip circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62198671A JPS6441512A (en) 1987-08-07 1987-08-07 Clip circuit

Publications (1)

Publication Number Publication Date
JPS6441512A true JPS6441512A (en) 1989-02-13

Family

ID=16395110

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62198671A Pending JPS6441512A (en) 1987-08-07 1987-08-07 Clip circuit

Country Status (1)

Country Link
JP (1) JPS6441512A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0236607A (en) * 1988-07-27 1990-02-06 Hitachi Ltd Limiter circuit

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58120311A (en) * 1982-01-13 1983-07-18 Toshiba Corp Limiter
JPS61177808A (en) * 1985-02-01 1986-08-09 Mitsubishi Electric Corp Voltage limitting circuit

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58120311A (en) * 1982-01-13 1983-07-18 Toshiba Corp Limiter
JPS61177808A (en) * 1985-02-01 1986-08-09 Mitsubishi Electric Corp Voltage limitting circuit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0236607A (en) * 1988-07-27 1990-02-06 Hitachi Ltd Limiter circuit

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