JPS5857147U - PLL stereo demodulator - Google Patents
PLL stereo demodulatorInfo
- Publication number
- JPS5857147U JPS5857147U JP15208981U JP15208981U JPS5857147U JP S5857147 U JPS5857147 U JP S5857147U JP 15208981 U JP15208981 U JP 15208981U JP 15208981 U JP15208981 U JP 15208981U JP S5857147 U JPS5857147 U JP S5857147U
- Authority
- JP
- Japan
- Prior art keywords
- pll
- stereo
- stereo demodulator
- demodulator
- signal
- 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
- Stereo-Broadcasting Methods (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
図面は本考案の一実施例を示すブロック図である。
図中、２はステレオ復調器、ＰＬＬはフェイズロックル
ープ、３は位相比較器、６は電圧制御発振器、１０はス
テレオ復調コントローラ、１１はＦＭ検波器、１２はフ
ィルタである。The drawing is a block diagram showing an embodiment of the present invention. In the figure, 2 is a stereo demodulator, PLL is a phase-locked loop, 3 is a phase comparator, 6 is a voltage controlled oscillator, 10 is a stereo demodulation controller, 11 is an FM detector, and 12 is a filter.
Claims (1)
（と共に、同時に得られるステレオ再生用のパイロット
信号をＰＬＬの位相比較器へ導びき、そして該ＰＬＬで
得られる該パイロット信号の２倍の周波数の信号を用い
て該ステレオ復調器からＬ信号およびＲ信号を交互に出
力させるＰＬＬステレオ復調器において、 該ＰＬＬの電圧制御発振器の出力を直接もしくは分周し
てＦＭ検波するＦＭ検波器と、該検波器の出力を平均化
するフィルタとを設け、そして該フィルタの出力を該ス
テレオ復調器のステレオセパレーションもしくはハイカ
ット量を制御するコントローラの制御入力としてなるこ
とを特徴とするＰＬＬステレオ復調器。[Claims for Utility Model Registration] An FM demodulated audio signal is guided to a stereo demodulator (and a pilot signal for stereo reproduction obtained at the same time is guided to a phase comparator of a PLL, and the signal obtained by the PLL is In a PLL stereo demodulator that alternately outputs L and R signals from the stereo demodulator using a signal with twice the frequency of the pilot signal, FM detection is performed on the output of the voltage controlled oscillator of the PLL directly or by frequency division. and a filter that averages the output of the detector, and the output of the filter is used as a control input of a controller that controls the stereo separation or high cut amount of the stereo demodulator. PLL stereo demodulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15208981U JPS5857147U (en) | 1981-10-13 | 1981-10-13 | PLL stereo demodulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15208981U JPS5857147U (en) | 1981-10-13 | 1981-10-13 | PLL stereo demodulator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5857147U true JPS5857147U (en) | 1983-04-18 |
| JPS6223161Y2 JPS6223161Y2 (en) | 1987-06-12 |
Family
ID=29944755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15208981U Granted JPS5857147U (en) | 1981-10-13 | 1981-10-13 | PLL stereo demodulator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5857147U (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007086174A1 (en) * | 2006-01-25 | 2007-08-02 | Mitsubishi Electric Corporation | Receiving apparatus |
-
1981
- 1981-10-13 JP JP15208981U patent/JPS5857147U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6223161Y2 (en) | 1987-06-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS5857147U (en) | PLL stereo demodulator | |
| JPS5859249U (en) | PLL stereo demodulator | |
| JPS5929812U (en) | FM modulation circuit | |
| JPS6085413U (en) | PLL synchronous detection circuit | |
| JPS6244604Y2 (en) | ||
| JPS60103949U (en) | frequency synthesizer | |
| JPS60149229U (en) | FM demodulation circuit | |
| JPS609311U (en) | PLL-PLL type demodulation circuit | |
| JPS6030645U (en) | phase synchronized receiver | |
| JPH03120146U (en) | ||
| JPS6137618U (en) | FM demodulator | |
| JPS5873651U (en) | FM stereo multiplex demodulation circuit | |
| JPS6118658U (en) | Synchronous detection circuit | |
| JPS615083U (en) | Time base correction circuit | |
| JPS58165732U (en) | Dropout detection circuit | |
| JPS6137646U (en) | AM stereo demodulation circuit | |
| JPS633644U (en) | ||
| JPS6032838U (en) | PLL circuit | |
| JPS604085U (en) | Time base correction circuit for information signal reproducing device | |
| JPS6115816U (en) | Digital automatic frequency control device | |
| JPS6022043U (en) | Intermediate frequency band switching circuit | |
| JPS60169958U (en) | AM stereo receiver pilot signal detection circuit | |
| JPS62177129U (en) | ||
| JPS60127018U (en) | FM demodulation circuit | |
| JPS59169169U (en) | Audio multiplex broadcast discrimination circuit |