JPS5981111U - Frequency modulation demodulator - Google Patents
Frequency modulation demodulatorInfo
- Publication number
- JPS5981111U JPS5981111U JP17722282U JP17722282U JPS5981111U JP S5981111 U JPS5981111 U JP S5981111U JP 17722282 U JP17722282 U JP 17722282U JP 17722282 U JP17722282 U JP 17722282U JP S5981111 U JPS5981111 U JP S5981111U
- Authority
- JP
- Japan
- Prior art keywords
- frequency
- frequency modulation
- demodulator
- signal
- modulation demodulator
- 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)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (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図は一般の周波数変調型復調器の回路系統を示す系
統図、第２図は第１図の回路に介装する同期発振器の回
路系統を示す系統図、第３図はカーソン則帯域を説明す
るための説明図、第４図は本考案に係る周波数変調型復
調装置の回路系統を示す系統図、第５図は第４図を具体
化した回路を示す回路図である。
４・・・復調器、１２・・・同期発振器、１８．１９・
・・減衰器、２０・・・トランジスタ、Ｃ・・・コンデ
ンサ、Ｌ・・・コイル、２２・・・可変容量ダイオード
、２３・・・信号導線。Fig. 1 is a system diagram showing the circuit system of a general frequency modulation type demodulator, Fig. 2 is a system diagram showing the circuit system of a synchronous oscillator inserted in the circuit of Fig. 1, and Fig. 3 is a system diagram showing the circuit system of a synchronous oscillator inserted in the circuit of Fig. FIG. 4 is a system diagram showing a circuit system of a frequency modulation demodulator according to the present invention, and FIG. 5 is a circuit diagram showing a circuit embodying FIG. 4. 4... Demodulator, 12... Synchronous oscillator, 18.19.
...attenuator, 20...transistor, C...capacitor, L...coil, 22...variable capacitance diode, 23...signal conductor.
Claims (1)
振するようにして前記信号の瞬時占有帯域成分を通過さ
せる同期発振器を、周波数変調信号を復調器に伝達する
信号経路に介装した周波数変調型復調器において、 前記同期発振器の発振周波数を前記復調器の出力にて制
御するようにしたことを特徴とする周波数変調型復調装
置。[Claims for Utility Model Registration] A signal that transmits a frequency-modulated signal to a demodulator by a synchronous oscillator that oscillates in synchronization with a frequency substantially equal to the frequency of an input signal and passes an instantaneous occupied band component of the signal. A frequency modulation type demodulation device, characterized in that the oscillation frequency of the synchronous oscillator is controlled by the output of the demodulator, in a frequency modulation type demodulator interposed in a path.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17722282U JPS5981111U (en) | 1982-11-25 | 1982-11-25 | Frequency modulation demodulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17722282U JPS5981111U (en) | 1982-11-25 | 1982-11-25 | Frequency modulation demodulator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5981111U true JPS5981111U (en) | 1984-06-01 |
| JPS6322736Y2 JPS6322736Y2 (en) | 1988-06-22 |
Family
ID=30385079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17722282U Granted JPS5981111U (en) | 1982-11-25 | 1982-11-25 | Frequency modulation demodulator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5981111U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62502832A (en) * | 1985-05-11 | 1987-11-12 | プレッシー セミコンダクターズ リミテッド | Improvements regarding FM demodulator |
-
1982
- 1982-11-25 JP JP17722282U patent/JPS5981111U/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62502832A (en) * | 1985-05-11 | 1987-11-12 | プレッシー セミコンダクターズ リミテッド | Improvements regarding FM demodulator |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6322736Y2 (en) | 1988-06-22 |
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