JPS60149228U - FM demodulator - Google Patents
FM demodulatorInfo
- Publication number
- JPS60149228U JPS60149228U JP3485284U JP3485284U JPS60149228U JP S60149228 U JPS60149228 U JP S60149228U JP 3485284 U JP3485284 U JP 3485284U JP 3485284 U JP3485284 U JP 3485284U JP S60149228 U JPS60149228 U JP S60149228U
- Authority
- JP
- Japan
- Prior art keywords
- demodulator
- output
- residual carrier
- level
- detecting 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.)
- Pending
Links
Landscapes
- Television Signal Processing For Recording (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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来のＦＭ復調装置を示すブロック図、第２図
は本考案の一実施例の構成を示すブロック図、第一３図
は本考案の他の実施例の構成を示すブロック図である。
１・・・・・・バンドパスフィルり、２・・−・・・リ
ミ゛ンタ、３・・・・・・復調器１．５・・・・・・残
留キャリヤ成分検出回路、６・・・・・・時定数回路、
７・・・・・・電圧制御増幅器、訃・・・・・ローパス
フィルタ。FIG. 1 is a block diagram showing a conventional FM demodulator, FIG. 2 is a block diagram showing the configuration of one embodiment of the present invention, and FIG. 13 is a block diagram showing the configuration of another embodiment of the present invention. be. 1... Bandpass filter, 2... Limiter, 3... Demodulator 1.5... Residual carrier component detection circuit, 6... ...Time constant circuit,
7...Voltage control amplifier, 7...Low pass filter.
Claims (1)
を復調する復調器と、該復調器の出力レベルを外部信号
により制御するレベル制御手段と、該レベル制御手段の
出′力中の残留キャリヤレベルを検出する残留キャリヤ
レベル検出回路とを−備え、前記残留キャリヤレベル検
出回路の出力に対応した出力を前記外部信号として印加
することを特徴とするＦＭ復調装置。a limiter that limits the amplitude of an FM signal, a demodulator that demodulates the output of the limiter, a level control means that controls the output level of the demodulator using an external signal, and a residual carrier level in the output of the level control means. an FM demodulator comprising: a residual carrier level detecting circuit for detecting a residual carrier level detecting circuit, and applying an output corresponding to an output of the residual carrier level detecting circuit as the external signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3485284U JPS60149228U (en) | 1984-03-13 | 1984-03-13 | FM demodulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3485284U JPS60149228U (en) | 1984-03-13 | 1984-03-13 | FM demodulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60149228U true JPS60149228U (en) | 1985-10-03 |
Family
ID=30538607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3485284U Pending JPS60149228U (en) | 1984-03-13 | 1984-03-13 | FM demodulator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60149228U (en) |
-
1984
- 1984-03-13 JP JP3485284U patent/JPS60149228U/en active Pending
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