JPH0277934U - - Google Patents

Info

Publication number
JPH0277934U
JPH0277934U JP1988154977U JP15497788U JPH0277934U JP H0277934 U JPH0277934 U JP H0277934U JP 1988154977 U JP1988154977 U JP 1988154977U JP 15497788 U JP15497788 U JP 15497788U JP H0277934 U JPH0277934 U JP H0277934U
Authority
JP
Japan
Prior art keywords
circuit
resistor
dummy load
circulator
frequency voltage
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
JP1988154977U
Other languages
Japanese (ja)
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 filed Critical
Priority to JP1988154977U priority Critical patent/JPH0277934U/ja
Publication of JPH0277934U publication Critical patent/JPH0277934U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Measurement Of Resistance Or Impedance (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Transmitters (AREA)

Description

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

第１図は本考案による反射電力検出回路の一実
施例を示す回路図、第２図は第１図の反射電力検
出回路の外観を示す斜視図、第３図は第１図の反
射電力検出回路を送信機に接続した状態を示す系
統図、第４図は従来の反射電力検出回路の一例を
示す回路図、第５図は第４図の反射電力検出回路
を送信機に接続した状態を示す系統図である。 １……入力端子、２……サーキユレータ回路、
３……ダミーロード、４，５……抵抗、６……ダ
イオード、７……コンデンサ、８……可変抵抗、
９，１０……出力端子、１１……反射電力検出回
路、１２……放熱器、２１……検波部、２２……
送信機、１００……ケース。 Fig. 1 is a circuit diagram showing an embodiment of the reflected power detection circuit according to the present invention, Fig. 2 is a perspective view showing the external appearance of the reflected power detection circuit shown in Fig. 1, and Fig. 3 is a reflected power detection circuit shown in Fig. 1. Fig. 4 is a circuit diagram showing an example of a conventional reflected power detection circuit, and Fig. 5 shows a state in which the reflected power detection circuit of Fig. 4 is connected to a transmitter. FIG. 1...Input terminal, 2...Circulator circuit,
3...Dummy load, 4, 5...Resistor, 6...Diode, 7...Capacitor, 8...Variable resistor,
9, 10...Output terminal, 11...Reflected power detection circuit, 12...Radiator, 21...Detection section, 22...
Transmitter, 100...case.

Claims (1)

【実用新案登録請求の範囲】 サーキユレータ回路と、このサーキユレータ回
路に接続されたダミーロードと、高周波電圧を分
圧する抵抗、この抵抗により分圧された高周波電
圧を検波するダイオード、このダイオードの検波
出力を平滑化するコンデンサ、このコンデンサに
より平滑化された検波出力を所望の電圧に調整す
るための可変抵抗、ならびにこの可変抵抗により
調整された電圧を出力する出力端子によつて構成
された検波部とを備えた反射電力検出回路におい
て、 前記高周波電圧を分圧する抵抗は前記サーキユ
レータ回路と前記ダミーロードとの接続点に接続
され、 前記サーキユレータ回路と、前記ダミーロード
と、前記検波部とは同一の回路基盤上に設けられ
ていることを特徴とする反射電力検出回路。[Claims for Utility Model Registration] A circulator circuit, a dummy load connected to the circulator circuit, a resistor that divides a high-frequency voltage, a diode that detects the high-frequency voltage divided by this resistor, and a detection output of this diode. A detection section is configured by a smoothing capacitor, a variable resistor for adjusting the detected output smoothed by the capacitor to a desired voltage, and an output terminal that outputs the voltage adjusted by the variable resistor. In the reflected power detection circuit, a resistor that divides the high-frequency voltage is connected to a connection point between the circulator circuit and the dummy load, and the circulator circuit, the dummy load, and the detection section are on the same circuit board. A reflected power detection circuit characterized by being provided on the top.
JP1988154977U 1988-11-30 1988-11-30 Pending JPH0277934U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988154977U JPH0277934U (en) 1988-11-30 1988-11-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988154977U JPH0277934U (en) 1988-11-30 1988-11-30

Publications (1)

Publication Number Publication Date
JPH0277934U true JPH0277934U (en) 1990-06-14

Family

ID=31432187

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988154977U Pending JPH0277934U (en) 1988-11-30 1988-11-30

Country Status (1)

Country Link
JP (1) JPH0277934U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008539637A (en) * 2005-04-29 2008-11-13 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ Method and circuit arrangement for operating a multi-channel transmit / receive antenna apparatus.

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6269730A (en) * 1985-09-20 1987-03-31 Mitsubishi Electric Corp Radio transmitter

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6269730A (en) * 1985-09-20 1987-03-31 Mitsubishi Electric Corp Radio transmitter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008539637A (en) * 2005-04-29 2008-11-13 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ Method and circuit arrangement for operating a multi-channel transmit / receive antenna apparatus.

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