JPS62193416A - 中間周波増幅回路のフイルタ切換回路 - Google Patents

中間周波増幅回路のフイルタ切換回路

Info

Publication number
JPS62193416A
JPS62193416A JP3579286A JP3579286A JPS62193416A JP S62193416 A JPS62193416 A JP S62193416A JP 3579286 A JP3579286 A JP 3579286A JP 3579286 A JP3579286 A JP 3579286A JP S62193416 A JPS62193416 A JP S62193416A
Authority
JP
Japan
Prior art keywords
circuit
average level
filter
intermediate frequency
transistor
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.)
Granted
Application number
JP3579286A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0253977B2 (OSRAM
Inventor
Ryoji Shimizu
良二 清水
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.)
Fujitsu General Ltd
Original Assignee
Fujitsu General 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 Fujitsu General Ltd filed Critical Fujitsu General Ltd
Priority to JP3579286A priority Critical patent/JPS62193416A/ja
Publication of JPS62193416A publication Critical patent/JPS62193416A/ja
Publication of JPH0253977B2 publication Critical patent/JPH0253977B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Filters And Equalizers (AREA)
  • Superheterodyne Receivers (AREA)
JP3579286A 1986-02-20 1986-02-20 中間周波増幅回路のフイルタ切換回路 Granted JPS62193416A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3579286A JPS62193416A (ja) 1986-02-20 1986-02-20 中間周波増幅回路のフイルタ切換回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3579286A JPS62193416A (ja) 1986-02-20 1986-02-20 中間周波増幅回路のフイルタ切換回路

Publications (2)

Publication Number Publication Date
JPS62193416A true JPS62193416A (ja) 1987-08-25
JPH0253977B2 JPH0253977B2 (OSRAM) 1990-11-20

Family

ID=12451768

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3579286A Granted JPS62193416A (ja) 1986-02-20 1986-02-20 中間周波増幅回路のフイルタ切換回路

Country Status (1)

Country Link
JP (1) JPS62193416A (OSRAM)

Also Published As

Publication number Publication date
JPH0253977B2 (OSRAM) 1990-11-20

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