JPS6022047U - fm radio receiver - Google Patents
fm radio receiverInfo
- Publication number
- JPS6022047U JPS6022047U JP11312583U JP11312583U JPS6022047U JP S6022047 U JPS6022047 U JP S6022047U JP 11312583 U JP11312583 U JP 11312583U JP 11312583 U JP11312583 U JP 11312583U JP S6022047 U JPS6022047 U JP S6022047U
- Authority
- JP
- Japan
- Prior art keywords
- high frequency
- radio receiver
- variable attenuator
- frequency variable
- section
- 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
Landscapes
- Control Of Amplification And Gain Control (AREA)
- Noise Elimination (AREA)
- Circuits Of Receivers In General (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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来のＦＭ受信装置のブロックダイヤ、第２図
は本考案のＦＭ受信装置のブロックダイヤである。
１：信号入力端子、２：高周波増幅部、３：第１周波数
変換部、４：第１局部発振部、５：第１中間周波数増幅
部、６：第２周波数変換部、７：第２局部発振部、８：
第２中間周波数増幅部、９：復調回路部、１０：微分回
路、１１：低周波増幅部、１２：ノイズスケルチ回路、
１３：検波回路部、１４：電圧制御部、１５：高周波可
変減衰器である。FIG. 1 is a block diagram of a conventional FM receiver, and FIG. 2 is a block diagram of an FM receiver according to the present invention. 1: Signal input terminal, 2: High frequency amplification section, 3: First frequency conversion section, 4: First local oscillation section, 5: First intermediate frequency amplification section, 6: Second frequency conversion section, 7: Second local section Oscillation section, 8:
2nd intermediate frequency amplification section, 9: demodulation circuit section, 10: differentiation circuit, 11: low frequency amplification section, 12: noise squelch circuit,
13: detection circuit section, 14: voltage control section, 15: high frequency variable attenuator.
Claims (1)
変減衰器を付加し、本高周波可変減衰器の入力端に当該
受信機の中間周波増幅段からとり出した信号出力を入力
し、当該信号のレベルにより本高周波可変減衰器を動作
させることを特徴とした高周波可変減衰器付ＦＭ無線受
信機。In an FM radio receiver, a high frequency variable attenuator is added to the front stage of the high frequency amplification section, and the signal output taken out from the intermediate frequency amplification stage of the receiver is input to the input terminal of this high frequency variable attenuator, and the level of the signal is An FM radio receiver with a high frequency variable attenuator, characterized in that the present high frequency variable attenuator is operated by.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11312583U JPS6022047U (en) | 1983-07-22 | 1983-07-22 | fm radio receiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11312583U JPS6022047U (en) | 1983-07-22 | 1983-07-22 | fm radio receiver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6022047U true JPS6022047U (en) | 1985-02-15 |
Family
ID=30261989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11312583U Pending JPS6022047U (en) | 1983-07-22 | 1983-07-22 | fm radio receiver |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6022047U (en) |
-
1983
- 1983-07-22 JP JP11312583U patent/JPS6022047U/en active Pending
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