JPH0619217Y2 - 可変インピ−ダンス回路 - Google Patents

可変インピ−ダンス回路

Info

Publication number
JPH0619217Y2
JPH0619217Y2 JP1987058832U JP5883287U JPH0619217Y2 JP H0619217 Y2 JPH0619217 Y2 JP H0619217Y2 JP 1987058832 U JP1987058832 U JP 1987058832U JP 5883287 U JP5883287 U JP 5883287U JP H0619217 Y2 JPH0619217 Y2 JP H0619217Y2
Authority
JP
Japan
Prior art keywords
current
diodes
circuit
variable impedance
current source
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.)
Expired - Lifetime
Application number
JP1987058832U
Other languages
English (en)
Japanese (ja)
Other versions
JPS63165918U (enrdf_load_stackoverflow
Inventor
政美 加藤
勝 堀越
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.)
Sanyo Electric Co Ltd
Original Assignee
Sanyo Electric 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 Sanyo Electric Co Ltd filed Critical Sanyo Electric Co Ltd
Priority to JP1987058832U priority Critical patent/JPH0619217Y2/ja
Priority to US07/180,483 priority patent/US4982435A/en
Priority to DE3850289T priority patent/DE3850289T2/de
Priority to EP88105872A priority patent/EP0287057B1/en
Priority to CA000564288A priority patent/CA1305432C/en
Priority to KR88004342A priority patent/KR970004616B1/ko
Publication of JPS63165918U publication Critical patent/JPS63165918U/ja
Application granted granted Critical
Publication of JPH0619217Y2 publication Critical patent/JPH0619217Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Networks Using Active Elements (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Attenuators (AREA)
JP1987058832U 1987-04-17 1987-04-17 可変インピ−ダンス回路 Expired - Lifetime JPH0619217Y2 (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP1987058832U JPH0619217Y2 (ja) 1987-04-17 1987-04-17 可変インピ−ダンス回路
US07/180,483 US4982435A (en) 1987-04-17 1988-04-12 Automatic loudness control circuit
DE3850289T DE3850289T2 (de) 1987-04-17 1988-04-13 Automatische Lautstärkeregelungsschaltung.
EP88105872A EP0287057B1 (en) 1987-04-17 1988-04-13 Automatic loudness control circuit
CA000564288A CA1305432C (en) 1987-04-17 1988-04-15 Automatic loudness control circuit
KR88004342A KR970004616B1 (en) 1987-04-17 1988-04-16 Automatic loudness control circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987058832U JPH0619217Y2 (ja) 1987-04-17 1987-04-17 可変インピ−ダンス回路

Publications (2)

Publication Number Publication Date
JPS63165918U JPS63165918U (enrdf_load_stackoverflow) 1988-10-28
JPH0619217Y2 true JPH0619217Y2 (ja) 1994-05-18

Family

ID=30889760

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987058832U Expired - Lifetime JPH0619217Y2 (ja) 1987-04-17 1987-04-17 可変インピ−ダンス回路

Country Status (1)

Country Link
JP (1) JPH0619217Y2 (enrdf_load_stackoverflow)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4363004A (en) * 1980-10-20 1982-12-07 General Electric Company Combining and filter circuit for a phase locked loop
JPS58149811U (ja) * 1982-03-31 1983-10-07 東光株式会社 非線型積分回路
JPS5997215A (ja) * 1982-11-25 1984-06-05 Sanyo Electric Co Ltd 可変抵抗回路

Also Published As

Publication number Publication date
JPS63165918U (enrdf_load_stackoverflow) 1988-10-28

Similar Documents

Publication Publication Date Title
JPS5810008B2 (ja) ブツシユブルゾウフクキ
KR860000115B1 (ko) 출력 증폭 회로
JP3162732B2 (ja) 増幅回路
US6292057B1 (en) Output stage of an operational amplifier and method having a latchup-free sourcing current booster for driving low impedance loads
JPH0619217Y2 (ja) 可変インピ−ダンス回路
US4283683A (en) Audio bridge circuit
JP3359770B2 (ja) トランジスタ高周波電力増幅器
JP2000022451A (ja) 信号処理回路装置
JPS631768B2 (enrdf_load_stackoverflow)
JP2509462Y2 (ja) 増幅器
US3675142A (en) Transistor power amplifier with dc output voltage stabilization
JPS622722B2 (enrdf_load_stackoverflow)
JPS5846706A (ja) 電気−音響変換器用可聴周波増幅器のブリツジ出力段
JPH09331221A (ja) 利得可変増幅器
JP2661138B2 (ja) 電流増幅回路
JP3443266B2 (ja) 定電圧回路
JPH0317512Y2 (enrdf_load_stackoverflow)
SU970635A1 (ru) Двухтактный усилитель
JPS59140704A (ja) 増幅回路
JPH071871Y2 (ja) 半導体集積回路
JPS6119545Y2 (enrdf_load_stackoverflow)
JPS6223136Y2 (enrdf_load_stackoverflow)
JP3051600B2 (ja) 電流発生回路
JPH0458202B2 (enrdf_load_stackoverflow)
JPS6223133Y2 (enrdf_load_stackoverflow)