JPS60111149U - antenna switching circuit - Google Patents

antenna switching circuit

Info

Publication number
JPS60111149U
JPS60111149U JP20146983U JP20146983U JPS60111149U JP S60111149 U JPS60111149 U JP S60111149U JP 20146983 U JP20146983 U JP 20146983U JP 20146983 U JP20146983 U JP 20146983U JP S60111149 U JPS60111149 U JP S60111149U
Authority
JP
Japan
Prior art keywords
antenna
circuit
pass filter
low
switching circuit
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
JP20146983U
Other languages
Japanese (ja)
Inventor
高尾　信孝
土屋　俊明
智 横矢
原口　裕二
Original Assignee
ソニー株式会社
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 ソニー株式会社 filed Critical ソニー株式会社
Priority to JP20146983U priority Critical patent/JPS60111149U/en
Publication of JPS60111149U publication Critical patent/JPS60111149U/en
Pending legal-status Critical Current

Links

Landscapes

  • Electronic Switches (AREA)
  • Transceivers (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図、第３図はこの考案を説明するための図、第２図
はこの考案の一例の接続図である。 ２は送信回路、４は受信回路である。1 and 3 are diagrams for explaining this invention, and FIG. 2 is a connection diagram of an example of this invention. 2 is a transmitting circuit, and 4 is a receiving circuit.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 送信回路の出力端とアンテナとの間に、スイッチング用
のダイオードとスプリアス除去用のローパスフィルタと
が直列接続され、上記アンテナと受信回路の入力端との
間に、１波長回路が直列液続されると共に、この４波長
回路の出力端にシャント用のダイオードが接続され、上
記スイッチング用のダイオードと上記ローパスフィルタ
との接続点に、上記アンテナから上記ローパスフィルタ
側を見たときのインピーダンスを十分に大きくするよう
に値が選定されたりアクタンス素子が接続されたアンテ
ナ切り換え回路。A switching diode and a low-pass filter for spurious removal are connected in series between the output end of the transmitter circuit and the antenna, and a one-wavelength circuit is connected in series between the antenna and the input end of the receiver circuit. At the same time, a shunt diode is connected to the output end of this four-wavelength circuit, and a shunt diode is connected to the connection point between the switching diode and the low-pass filter, so that the impedance when looking at the low-pass filter side from the antenna is sufficiently high. Antenna switching circuit with a value selected or an actance element connected to increase the value.
JP20146983U 1983-12-28 1983-12-28 antenna switching circuit Pending JPS60111149U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP20146983U JPS60111149U (en) 1983-12-28 1983-12-28 antenna switching circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20146983U JPS60111149U (en) 1983-12-28 1983-12-28 antenna switching circuit

Publications (1)

Publication Number Publication Date
JPS60111149U true JPS60111149U (en) 1985-07-27

Family

ID=30763288

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20146983U Pending JPS60111149U (en) 1983-12-28 1983-12-28 antenna switching circuit

Country Status (1)

Country Link
JP (1) JPS60111149U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60124146U (en) * 1984-01-27 1985-08-21 日本電気株式会社 antenna switching circuit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60124146U (en) * 1984-01-27 1985-08-21 日本電気株式会社 antenna switching circuit

Similar Documents

Publication Publication Date Title
JPS60124146U (en) antenna switching circuit
JPS60111149U (en) antenna switching circuit
JPS59169151U (en) Transmitter/receiver antenna switching circuit
JPS588215U (en) high frequency attenuator
JPS60189144U (en) Receiving antenna device
JPS5893044U (en) high frequency switch circuit
JPS60163850U (en) Transmitting/receiving device
JPS609338U (en) High frequency switching device
JPS5952712U (en) frequency converter
JPS59147347U (en) Transmitter/receiver antenna switching circuit
JPS58139703U (en) Sending/receiving shared device
JPS591244U (en) transmitter
JPS58173924U (en) filter device
JPS5920744U (en) Receiver input circuit
JPS6014544U (en) antenna switching circuit
JPS5840955U (en) Tuner device
JPS596785U (en) Low frequency vibration noise reduction circuit for transducer
JPS5988935U (en) Frequency discrimination device using piezoelectric tuning fork vibrator
JPS58141637U (en) RF switch circuit
JPS5986752U (en) Transmitting/receiving device
JPS5914435U (en) Radio receiver intermediate frequency bandwidth switching circuit
JPS5984941U (en) directional coupling circuit
JPS5891180U (en) sensor device
JPS5973823U (en) Loudness control circuit
JPS6077151U (en) Pulse output disconnection detection circuit