JPS6037947U - AM receiver - Google Patents

AM receiver

Info

Publication number
JPS6037947U
JPS6037947U JP12987283U JP12987283U JPS6037947U JP S6037947 U JPS6037947 U JP S6037947U JP 12987283 U JP12987283 U JP 12987283U JP 12987283 U JP12987283 U JP 12987283U JP S6037947 U JPS6037947 U JP S6037947U
Authority
JP
Japan
Prior art keywords
attenuator
comparator
receiver
input signal
demodulated signal
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
JP12987283U
Other languages
Japanese (ja)
Inventor
知之 小島
Original Assignee
パイオニア株式会社
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 パイオニア株式会社 filed Critical パイオニア株式会社
Priority to JP12987283U priority Critical patent/JPS6037947U/en
Publication of JPS6037947U publication Critical patent/JPS6037947U/en
Pending legal-status Critical Current

Links

Landscapes

  • Circuits Of Receivers In General (AREA)
  • Control Of Amplification And Gain Control (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図は従来のＡＭ受信機を示す図、第２図は本考案に
よるＡＭ受信機の実施例を示す図、第３図は本考案によ
るＡＭ受信機がもつ電界強度に対するＳメータ出力及び
歪率特性の実施例を示す特性図である。 Ｒ・・・・・・抵抗、Ｑ・・・・・・ＦＥＴ、　６・・
・・・・比較器。Fig. 1 is a diagram showing a conventional AM receiver, Fig. 2 is a diagram showing an embodiment of an AM receiver according to the present invention, and Fig. 3 is a diagram showing S meter output and distortion with respect to electric field strength of the AM receiver according to the present invention. FIG. 3 is a characteristic diagram showing an example of rate characteristics. R...Resistance, Q...FET, 6...
... Comparator.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 復調信号出力と基準電圧を比較する比較器と、アンテナ
と高周波増幅部との間に接続された減衰器と、減衰器に
並列接続され前記比較器出力によってオン・オフが制御
されるスイッチング素子とを含み、復調信号が急激に歪
む入力信号レベルを前記比較器が検出して前記スイッチ
素子をオフさせ、減衰器によって入力信号を減衰させる
ようにしたことを特徴とするＡＭ受信機。a comparator that compares a demodulated signal output with a reference voltage; an attenuator connected between the antenna and the high-frequency amplification section; and a switching element connected in parallel to the attenuator and whose on/off is controlled by the comparator output. An AM receiver comprising: the comparator detecting an input signal level at which a demodulated signal is rapidly distorted, turning off the switch element, and attenuating the input signal by an attenuator.
JP12987283U 1983-08-23 1983-08-23 AM receiver Pending JPS6037947U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12987283U JPS6037947U (en) 1983-08-23 1983-08-23 AM receiver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12987283U JPS6037947U (en) 1983-08-23 1983-08-23 AM receiver

Publications (1)

Publication Number Publication Date
JPS6037947U true JPS6037947U (en) 1985-03-15

Family

ID=30294126

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12987283U Pending JPS6037947U (en) 1983-08-23 1983-08-23 AM receiver

Country Status (1)

Country Link
JP (1) JPS6037947U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62126407U (en) * 1986-01-31 1987-08-11
JPS62126406U (en) * 1986-01-31 1987-08-11

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62126407U (en) * 1986-01-31 1987-08-11
JPS62126406U (en) * 1986-01-31 1987-08-11

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