JPS6152847U - - Google Patents
Info
- Publication number
- JPS6152847U JPS6152847U JP13699284U JP13699284U JPS6152847U JP S6152847 U JPS6152847 U JP S6152847U JP 13699284 U JP13699284 U JP 13699284U JP 13699284 U JP13699284 U JP 13699284U JP S6152847 U JPS6152847 U JP S6152847U
- Authority
- JP
- Japan
- Prior art keywords
- radio receiver
- input level
- band radio
- utility
- variable
- 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
Links
- 230000003321 amplification Effects 0.000 claims 2
- 239000003990 capacitor Substances 0.000 claims 2
- 238000003199 nucleic acid amplification method Methods 0.000 claims 2
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
Landscapes
- Superheterodyne Receivers (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
Description
図は本考案の一実施例を示すものである。
４…ＦＭフロントエンド用ＩＣ、８…入力レベ
ル可変手段、９…フアインチユーニング用可変抵
抗器。
The figure shows an embodiment of the present invention. 4... IC for FM front end, 8... Input level variable means, 9... Variable resistor for fine tuning.
Claims (1)
ようにした多バンドラジオ受信機において、ＦＭ
の高周波増幅段と混合段との間に混合段の入力レ
ベルを可変する入力レベル可変手段を設けると共
に該入力レベル可変手段を中波及び短波放送受信
時のフアインチユーニング用可変抵抗器にて制御
するようにしたことを特徴とする多バンドラジオ
受信機。 (2) 入力レベル可変手段が、高周波増幅段と混
合段とを結合するカツプリングコンデンサと並列
に接続されたコンデンサと可変容量ダイオードと
より構成されている実用新案登録請求の範囲第(1
)項記載の多バンドラジオ受信機。 (3) フアインチユーニング用可変抵抗器にて可
変容量ダイオードへの印加電圧を制御するように
した実用新案登録請求の範囲第(2)項記載の多バ
ンドラジオ受信機。[Claims for Utility Model Registration] (1) In a multi-band radio receiver capable of selectively receiving FM, medium wave and short wave broadcasting,
An input level variable means for varying the input level of the mixing stage is provided between the high frequency amplification stage and the mixing stage, and the input level varying means is a variable resistor for fine tuning when receiving medium wave and short wave broadcasting. A multi-band radio receiver characterized by being controlled. (2) Utility model registration claim No. 1 in which the input level variable means is composed of a coupling capacitor that couples a high-frequency amplification stage and a mixing stage, a capacitor connected in parallel, and a variable capacitance diode.
) The multi-band radio receiver described in item ). (3) The multi-band radio receiver according to claim (2) of the utility model registration, wherein the voltage applied to the variable capacitance diode is controlled by a fine tuning variable resistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13699284U JPS6152847U (en) | 1984-09-10 | 1984-09-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13699284U JPS6152847U (en) | 1984-09-10 | 1984-09-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6152847U true JPS6152847U (en) | 1986-04-09 |
Family
ID=30695420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13699284U Pending JPS6152847U (en) | 1984-09-10 | 1984-09-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6152847U (en) |
-
1984
- 1984-09-10 JP JP13699284U patent/JPS6152847U/ja active Pending
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