JPS5823422U - FM demodulation circuit - Google Patents
FM demodulation circuitInfo
- Publication number
- JPS5823422U JPS5823422U JP11688881U JP11688881U JPS5823422U JP S5823422 U JPS5823422 U JP S5823422U JP 11688881 U JP11688881 U JP 11688881U JP 11688881 U JP11688881 U JP 11688881U JP S5823422 U JPS5823422 U JP S5823422U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- demodulation circuit
- outputs
- positive
- negative phase
- 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
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
第１図は、従来のＦＭ復調回路を示す回路ブロック図、
第２図は、第１図の回路における検波特性を示す図、第
３図は、第１図の回路の出力の波形図、第４図は、本考
案の一実施例を示す回路ブロック図、第５図は、第４図
の回路におけるＮＡＭ回路６の概念図、第６図は、第４
図の回路における低域フィルタ４．５の各々の動作を示
す波形図、第７図は、第４図の回路におけるＮＡＭ回路
６の動作を示す波形図である。
主要部分の符号の説明、１・・・・・・乗算器、２・・
・・・・リミッタ、３・・・・・・移相器、４，５・・
・・・・低域フィルタ、６・・・・・・ＮＡＭ回路。
Ａ） −０□Ｊ’FIG. 1 is a circuit block diagram showing a conventional FM demodulation circuit;
2 is a diagram showing the detection characteristics of the circuit of FIG. 1, FIG. 3 is a waveform diagram of the output of the circuit of FIG. 1, and FIG. 4 is a circuit block diagram showing an embodiment of the present invention. 5 is a conceptual diagram of the NAM circuit 6 in the circuit of FIG. 4, and FIG. 6 is a conceptual diagram of the NAM circuit 6 in the circuit of FIG.
FIG. 7 is a waveform diagram showing the operation of each of the low-pass filters 4.5 in the circuit shown in the figure, and FIG. 7 is a waveform diagram showing the operation of the NAM circuit 6 in the circuit shown in FIG. Explanation of the signs of the main parts, 1... Multiplier, 2...
...Limiter, 3...Phase shifter, 4,5...
...Low pass filter, 6...NAM circuit. A) −0□J'
Claims (1)
路と、前記正逆相出力の各々の出力のう・ちのレベルの
高い一方を選択的に出力する信号切換回路とを含むこと
を特徴とするＦＭ復調回路。It is characterized by including a demodulation output circuit that outputs each of the positive and negative phase outputs of the FM demodulated signal, and a signal switching circuit that selectively outputs one of the positive and negative phase outputs having a higher level. FM demodulation circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11688881U JPS5823422U (en) | 1981-08-06 | 1981-08-06 | FM demodulation circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11688881U JPS5823422U (en) | 1981-08-06 | 1981-08-06 | FM demodulation circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5823422U true JPS5823422U (en) | 1983-02-14 |
Family
ID=29911095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11688881U Pending JPS5823422U (en) | 1981-08-06 | 1981-08-06 | FM demodulation circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5823422U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60190251A (en) * | 1984-03-12 | 1985-09-27 | Nordson Kk | Reversible half turn type electrostatic painting apparatus |
-
1981
- 1981-08-06 JP JP11688881U patent/JPS5823422U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60190251A (en) * | 1984-03-12 | 1985-09-27 | Nordson Kk | Reversible half turn type electrostatic painting apparatus |
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