JPS6356875U - - Google Patents
Info
- Publication number
- JPS6356875U JPS6356875U JP15115886U JP15115886U JPS6356875U JP S6356875 U JPS6356875 U JP S6356875U JP 15115886 U JP15115886 U JP 15115886U JP 15115886 U JP15115886 U JP 15115886U JP S6356875 U JPS6356875 U JP S6356875U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- signal
- intermediate frequency
- front ends
- extracting
- 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
- 230000003321 amplification Effects 0.000 claims description 3
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 3
- 238000000605 extraction Methods 0.000 claims description 2
Landscapes
- Television Receiver Circuits (AREA)
Description
図は本考案の一実施例を示すものである。
２……第１フロントエンド、６……第２フロン
トエンド、１０……中間周波増幅回路、１３……
可変利得回路、１６……フイルタ（信号抽出回路
）、２０……信号作成回路。
The figure shows one embodiment of the present invention. 2...First front end, 6...Second front end, 10...Intermediate frequency amplification circuit, 13...
Variable gain circuit, 16... Filter (signal extraction circuit), 20 ... Signal creation circuit.
Claims (1)
第２フロントエンドからの中間周波信号を増幅す
る中間周波増幅回路と、この中間周波増幅回路に
て増幅された中間周波信号を復調する復調回路と
、この復調回路からの復調出力が供給される可変
利得回路と、前記第１及び第２フロントエンドの
出力信号からＴＶ放送信号の映像搬送波に関連す
る信号成分を抽出する信号抽出回路と、この信号
抽出回路にて抽出された信号に基づき前記可変利
得回路の利得を制御するための制御信号を作成す
る信号作成回路とを具備したことを特徴とするＴ
Ｖ及びＦＭ放送受信機。 first and second front ends, an intermediate frequency amplification circuit that amplifies the intermediate frequency signals from the first and second front ends, and a demodulation circuit that demodulates the intermediate frequency signal amplified by the intermediate frequency amplification circuit. , a variable gain circuit to which the demodulated output from the demodulation circuit is supplied; a signal extraction circuit for extracting a signal component related to the video carrier wave of the TV broadcast signal from the output signals of the first and second front ends; A signal generating circuit that generates a control signal for controlling the gain of the variable gain circuit based on the signal extracted by the extracting circuit.
V and FM broadcast receiver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15115886U JPS6356875U (en) | 1986-10-01 | 1986-10-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15115886U JPS6356875U (en) | 1986-10-01 | 1986-10-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6356875U true JPS6356875U (en) | 1988-04-15 |
Family
ID=31067973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15115886U Pending JPS6356875U (en) | 1986-10-01 | 1986-10-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6356875U (en) |
-
1986
- 1986-10-01 JP JP15115886U patent/JPS6356875U/ja active Pending