JPS5920768U - Television receiver audio demodulation circuit - Google Patents
Television receiver audio demodulation circuitInfo
- Publication number
- JPS5920768U JPS5920768U JP11515182U JP11515182U JPS5920768U JP S5920768 U JPS5920768 U JP S5920768U JP 11515182 U JP11515182 U JP 11515182U JP 11515182 U JP11515182 U JP 11515182U JP S5920768 U JPS5920768 U JP S5920768U
- Authority
- JP
- Japan
- Prior art keywords
- television receiver
- demodulation circuit
- audio demodulation
- receiver audio
- broadcast signals
- 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図は本考案による音声復調回路の一実施例を示す回
路図、第２図はその周波数対出力電圧特性を示す図であ
る。
２、ＦＭ検波段、Ｄ□ニスイツチングダイオード、ＴＲ
７：スイッチングトランジスタ。FIG. 1 is a circuit diagram showing an embodiment of the audio demodulation circuit according to the present invention, and FIG. 2 is a diagram showing its frequency versus output voltage characteristics. 2. FM detection stage, D□ni switching diode, TR
7: Switching transistor.
Claims (1)
るようにしたテレビジ、ヨン受像機に於いて、上記各放
送信号から得た音声中間周波数信号を入力とする単一の
ＦＭ検波段に検波利得切換用のスイッチング素子を設け
、このスイッチング素子により上記検波段の検波利得が
テレビジョン族・送受信時とＦＭラジオ放送受信時とで
略同−になるようにしたことを特徴とするテレビジョン
受像機の音声復調回路。In a television receiver configured to receive television broadcast signals and FM radio broadcast signals, a single FM detection stage that receives audio intermediate frequency signals obtained from each of the above broadcast signals is used for detection gain switching. An audio television receiver characterized in that a switching element is provided, and the switching element makes the detection gain of the detection stage substantially the same during television transmission/reception and during FM radio broadcast reception. Demodulation circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11515182U JPS5920768U (en) | 1982-07-28 | 1982-07-28 | Television receiver audio demodulation circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11515182U JPS5920768U (en) | 1982-07-28 | 1982-07-28 | Television receiver audio demodulation circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5920768U true JPS5920768U (en) | 1984-02-08 |
Family
ID=30265915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11515182U Pending JPS5920768U (en) | 1982-07-28 | 1982-07-28 | Television receiver audio demodulation circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5920768U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01133835U (en) * | 1988-03-07 | 1989-09-12 |
-
1982
- 1982-07-28 JP JP11515182U patent/JPS5920768U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01133835U (en) * | 1988-03-07 | 1989-09-12 |
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