JPS5948146U - AM receiver noise removal circuit - Google Patents
AM receiver noise removal circuitInfo
- Publication number
- JPS5948146U JPS5948146U JP14322882U JP14322882U JPS5948146U JP S5948146 U JPS5948146 U JP S5948146U JP 14322882 U JP14322882 U JP 14322882U JP 14322882 U JP14322882 U JP 14322882U JP S5948146 U JPS5948146 U JP S5948146U
- Authority
- JP
- Japan
- Prior art keywords
- intermediate frequency
- frequency signal
- noise removal
- circuit
- removal 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.)
- Granted
Links
Landscapes
- Noise Elimination (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
図面は本考案に断るＡＭ受信機の雑音除去回路を示す図
である。
２・・・アンテナ同調回路、４・・・検波回路、８・・
・中間周波信号検出回路、９・・・第１のスイッチング
回路、１０・・・第２のスイッチング回路。The drawing is a diagram showing a noise removal circuit of an AM receiver according to the present invention. 2...Antenna tuning circuit, 4...Detection circuit, 8...
- Intermediate frequency signal detection circuit, 9... first switching circuit, 10... second switching circuit.
Claims (1)
号を発生する中間周波信号検出回路と、該中間周波信号
検出回路からの直流制御信号にて制御され前記中間周波
数信号が存在しないとき、検波出力信号を側路する第１
のスイッチング回路と、前記中間周波信号検出回路から
の直流制御信号にて制御され前記中間周波信号が存在す
るときアンテナ同調回路をＱダンプするための第２のス
イッチング回路とを備えたＡＭ受信機の雑音除去回路。An intermediate frequency signal detection circuit that generates a DC control signal of a different level depending on the presence or absence of an intermediate frequency signal, and a detection output signal controlled by the DC control signal from the intermediate frequency signal detection circuit when the intermediate frequency signal is not present. 1st to bypass
and a second switching circuit that is controlled by a DC control signal from the intermediate frequency signal detection circuit and Q-dumps the antenna tuning circuit when the intermediate frequency signal is present. Noise removal circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14322882U JPS5948146U (en) | 1982-09-20 | 1982-09-20 | AM receiver noise removal circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14322882U JPS5948146U (en) | 1982-09-20 | 1982-09-20 | AM receiver noise removal circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5948146U true JPS5948146U (en) | 1984-03-30 |
| JPS6324668Y2 JPS6324668Y2 (en) | 1988-07-06 |
Family
ID=30319771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14322882U Granted JPS5948146U (en) | 1982-09-20 | 1982-09-20 | AM receiver noise removal circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5948146U (en) |
-
1982
- 1982-09-20 JP JP14322882U patent/JPS5948146U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6324668Y2 (en) | 1988-07-06 |
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