JPS604334A - 周波数変換形無線受信機 - Google Patents

周波数変換形無線受信機

Info

Publication number
JPS604334A
JPS604334A JP11320983A JP11320983A JPS604334A JP S604334 A JPS604334 A JP S604334A JP 11320983 A JP11320983 A JP 11320983A JP 11320983 A JP11320983 A JP 11320983A JP S604334 A JPS604334 A JP S604334A
Authority
JP
Japan
Prior art keywords
level
attenuator
switch
frequency amplifier
radio
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
JP11320983A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0242253B2 (enrdf_load_stackoverflow
Inventor
Susumu Sasaki
進 佐々木
Hiroyuki Homitsu
穂満　弘幸
Kazuo Yano
一雄 矢野
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 Ltd
Original Assignee
Fujitsu 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 Ltd filed Critical Fujitsu Ltd
Priority to JP11320983A priority Critical patent/JPS604334A/ja
Publication of JPS604334A publication Critical patent/JPS604334A/ja
Publication of JPH0242253B2 publication Critical patent/JPH0242253B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3052—Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver
    • H03G3/3068—Circuits generating control signals for both R.F. and I.F. stages

Landscapes

  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Noise Elimination (AREA)
  • Circuits Of Receivers In General (AREA)
JP11320983A 1983-06-23 1983-06-23 周波数変換形無線受信機 Granted JPS604334A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11320983A JPS604334A (ja) 1983-06-23 1983-06-23 周波数変換形無線受信機

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11320983A JPS604334A (ja) 1983-06-23 1983-06-23 周波数変換形無線受信機

Publications (2)

Publication Number Publication Date
JPS604334A true JPS604334A (ja) 1985-01-10
JPH0242253B2 JPH0242253B2 (enrdf_load_stackoverflow) 1990-09-21

Family

ID=14606321

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11320983A Granted JPS604334A (ja) 1983-06-23 1983-06-23 周波数変換形無線受信機

Country Status (1)

Country Link
JP (1) JPS604334A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0457928U (enrdf_load_stackoverflow) * 1990-09-26 1992-05-19
US5797090A (en) * 1995-12-07 1998-08-18 Nec Corporation Radio receiving apparatus having current consumption reducing function

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5850744U (ja) * 1981-09-22 1983-04-06 日本ビクター株式会社 無線受信機

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5850744U (ja) * 1981-09-22 1983-04-06 日本ビクター株式会社 無線受信機

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0457928U (enrdf_load_stackoverflow) * 1990-09-26 1992-05-19
US5797090A (en) * 1995-12-07 1998-08-18 Nec Corporation Radio receiving apparatus having current consumption reducing function

Also Published As

Publication number Publication date
JPH0242253B2 (enrdf_load_stackoverflow) 1990-09-21

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