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JPS5479551A - Full-wave rectifying detection circuit - Google Patents

Full-wave rectifying detection circuit

Info

Publication number
JPS5479551A
JPS5479551A JP14763777A JP14763777A JPS5479551A JP S5479551 A JPS5479551 A JP S5479551A JP 14763777 A JP14763777 A JP 14763777A JP 14763777 A JP14763777 A JP 14763777A JP S5479551 A JPS5479551 A JP S5479551A
Authority
JP
Japan
Prior art keywords
emitter
signal
full
potential
2xvbe
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
JP14763777A
Other languages
Japanese (ja)
Inventor
Eizo Mori
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP14763777A priority Critical patent/JPS5479551A/en
Publication of JPS5479551A publication Critical patent/JPS5479551A/en
Pending legal-status Critical Current

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  • Rectifiers (AREA)

Abstract

PURPOSE: To simplity IC-implementation by providing two emitter-follower circuits with emitters connected to a common load.
CONSTITUTION: Transistors TR1 and TR2 constitute emitter follower circuits with common emitter load resistance R1 respectively. Although applying an AC signal to the premary side of transformer T1 applies a DC bias and the AC signal superposed each other to bases of TR1 and TR2, the DC bias component of them allows 2xVBE to be supplied to the emitter since the base potential is 3xVBE, and the signal component allows the emitter potential not to fall below 2xVBE but to rise. As a result, the emitter varies with only a half the positive signal component, so that a rectified waveform will appear at the emitter. In addition, since out-of-phase signal waveforms are applied to TR1 and TR2, the emitter potential is made to rise alternately when the signal has positive amplitude, so that its full- wave rectified waveform will appear at the emitter.
COPYRIGHT: (C)1979,JPO&Japio
JP14763777A 1977-12-07 1977-12-07 Full-wave rectifying detection circuit Pending JPS5479551A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14763777A JPS5479551A (en) 1977-12-07 1977-12-07 Full-wave rectifying detection circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14763777A JPS5479551A (en) 1977-12-07 1977-12-07 Full-wave rectifying detection circuit

Publications (1)

Publication Number Publication Date
JPS5479551A true JPS5479551A (en) 1979-06-25

Family

ID=15434828

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14763777A Pending JPS5479551A (en) 1977-12-07 1977-12-07 Full-wave rectifying detection circuit

Country Status (1)

Country Link
JP (1) JPS5479551A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55155105U (en) * 1979-04-20 1980-11-08
JPS5762779A (en) * 1980-09-29 1982-04-15 Toshiba Corp Alwave rectifying circuit
WO2001093416A1 (en) * 2000-05-31 2001-12-06 Sony Corporation Power detecting circuit and demodulator comprising the same
WO2002031965A1 (en) * 2000-10-12 2002-04-18 Sony Corporation Demodulator and receiver

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55155105U (en) * 1979-04-20 1980-11-08
JPS5762779A (en) * 1980-09-29 1982-04-15 Toshiba Corp Alwave rectifying circuit
JPS631833B2 (en) * 1980-09-29 1988-01-14 Tokyo Shibaura Electric Co
WO2001093416A1 (en) * 2000-05-31 2001-12-06 Sony Corporation Power detecting circuit and demodulator comprising the same
US6710716B1 (en) 2000-05-31 2004-03-23 Sony Corporation Power detecting circuit and demodulator comprising the same
WO2002031965A1 (en) * 2000-10-12 2002-04-18 Sony Corporation Demodulator and receiver
US6714602B1 (en) 2000-10-12 2004-03-30 Sony Corporation Demodulator and receiver

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