JPS614308A - 高周波回路切換装置 - Google Patents

高周波回路切換装置

Info

Publication number
JPS614308A
JPS614308A JP59125962A JP12596284A JPS614308A JP S614308 A JPS614308 A JP S614308A JP 59125962 A JP59125962 A JP 59125962A JP 12596284 A JP12596284 A JP 12596284A JP S614308 A JPS614308 A JP S614308A
Authority
JP
Japan
Prior art keywords
transistor
switching device
coil
circuit
diode
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
JP59125962A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0250645B2 (enExample
Inventor
Kazuhiko Kubo
一彦 久保
Akira Usui
晶 臼井
Tadashi Yamada
忠 山田
Hiroyuki Nagai
裕之 永井
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 JP59125962A priority Critical patent/JPS614308A/ja
Publication of JPS614308A publication Critical patent/JPS614308A/ja
Publication of JPH0250645B2 publication Critical patent/JPH0250645B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/189—High-frequency amplifiers, e.g. radio frequency amplifiers
    • H03F3/19—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only
    • H03F3/193—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only with field-effect devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
JP59125962A 1984-06-19 1984-06-19 高周波回路切換装置 Granted JPS614308A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59125962A JPS614308A (ja) 1984-06-19 1984-06-19 高周波回路切換装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59125962A JPS614308A (ja) 1984-06-19 1984-06-19 高周波回路切換装置

Publications (2)

Publication Number Publication Date
JPS614308A true JPS614308A (ja) 1986-01-10
JPH0250645B2 JPH0250645B2 (enExample) 1990-11-05

Family

ID=14923284

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59125962A Granted JPS614308A (ja) 1984-06-19 1984-06-19 高周波回路切換装置

Country Status (1)

Country Link
JP (1) JPS614308A (enExample)

Also Published As

Publication number Publication date
JPH0250645B2 (enExample) 1990-11-05

Similar Documents

Publication Publication Date Title
US5805023A (en) High frequency amplifier, receiver, and transmitter system
JPH0376609B2 (enExample)
US5933057A (en) Low noise amplifier
JPH04326206A (ja) 電力増幅器
JPH11220337A (ja) 電力増幅器
US6900850B2 (en) Television tuner having simplified wiring for interconnection and having miniaturized integrated circuit
JPH01173908A (ja) 発振装置
JPS614308A (ja) 高周波回路切換装置
JP3806617B2 (ja) テレビジョンチューナ
US5705953A (en) Device bias based supplemental amplification
US7412219B2 (en) High-frequency amplifier having simple circuit structure and television tuner using high-frequency amplifier
JP3332657B2 (ja) ミキサ回路
JPS6187406A (ja) 高周波増幅装置
JPH0537245A (ja) 電子回路
JP3922950B2 (ja) 周波数変換回路
JPH06276038A (ja) 高周波低雑音増幅器
JPS60224308A (ja) 局部発振器
JP2943333B2 (ja) 自己発振周波数変換器
KR0134964B1 (ko) 증폭기 트랜지스터를 갖는 증폭기회로
JP2956098B2 (ja) テレビジョンチューナ
US7366487B2 (en) Receiving band switching circuit with reduced signal loss upon switching receiving band
JP2633368B2 (ja) マイクロ波集積回路
JPH0628841Y2 (ja) 多バンド受信機
JPH05291840A (ja) 能動負荷回路
JPH1146123A (ja) 高周波増幅器