JPS61202940U - - Google Patents
Info
- Publication number
- JPS61202940U JPS61202940U JP8713485U JP8713485U JPS61202940U JP S61202940 U JPS61202940 U JP S61202940U JP 8713485 U JP8713485 U JP 8713485U JP 8713485 U JP8713485 U JP 8713485U JP S61202940 U JPS61202940 U JP S61202940U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- output
- circuit
- detects
- detection
- 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
- 238000001514 detection method Methods 0.000 claims description 10
- 239000011159 matrix material Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Noise Elimination (AREA)
Description
第１図は、本考案の一実施例を示す回路図、及
び第２図は本考案の別の実施例を示す回路図であ
る。
主な図番の説明、２……第１検波回路、３……
第２検波回路、４……ＰＬＬ回路、７……マトリ
クス回路、９……第３検波回路、１１……第４検
波回路、１２……比較回路、１４……スイツチ。
FIG. 1 is a circuit diagram showing one embodiment of the present invention, and FIG. 2 is a circuit diagram showing another embodiment of the present invention. Explanation of main drawing numbers, 2...1st detection circuit, 3...
2nd detection circuit, 4... PLL circuit, 7... Matrix circuit, 9... Third detection circuit, 11... Fourth detection circuit, 12... Comparison circuit, 14 ... Switch.
Claims (1)
記ＡＭ ＩＦ信号の直交成分を検波する第２検波
回路と、前記第１及び第２検波回路の出力信号を
マトリクスし、第１出力端子に上側帯波信号を、
第２出力端子に下側帯波信号を発生させるマトリ
クス回路と、前記第１出力端子に得られた信号中
のビート成分を検波する第３検波回路と、前記第
２出力端子に得られる信号中のビート成分を検波
する第４検波回路と、前記第３及び第４検波回路
の出力信号を比較し出力信号を発生する比較回路
と、前記マトリクス回路の第１及び第２出力端子
に接続され、前記比較回路の出力信号によつて制
御されるスイツチとを備えることを特徴とするＡ
Ｍラジオ受信機。 A first detection circuit that detects the AM IF signal, a second detection circuit that detects the orthogonal component of the AM IF signal, and output signals of the first and second detection circuits are matrixed, and the upper side band is output to the first output terminal. wave signal,
a matrix circuit that generates a lower sideband signal at a second output terminal; a third detection circuit that detects a beat component in the signal obtained at the first output terminal; a fourth detection circuit that detects a beat component; a comparison circuit that compares output signals of the third and fourth detection circuits and generates an output signal; and a comparison circuit that is connected to the first and second output terminals of the matrix circuit, and and a switch controlled by the output signal of the comparison circuit.
M radio receiver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8713485U JPH0336120Y2 (en) | 1985-06-10 | 1985-06-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8713485U JPH0336120Y2 (en) | 1985-06-10 | 1985-06-10 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61202940U true JPS61202940U (en) | 1986-12-20 |
| JPH0336120Y2 JPH0336120Y2 (en) | 1991-07-31 |
Family
ID=30639075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8713485U Expired JPH0336120Y2 (en) | 1985-06-10 | 1985-06-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0336120Y2 (en) |
-
1985
- 1985-06-10 JP JP8713485U patent/JPH0336120Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0336120Y2 (en) | 1991-07-31 |
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