JPS6157665U - - Google Patents
Info
- Publication number
- JPS6157665U JPS6157665U JP14051684U JP14051684U JPS6157665U JP S6157665 U JPS6157665 U JP S6157665U JP 14051684 U JP14051684 U JP 14051684U JP 14051684 U JP14051684 U JP 14051684U JP S6157665 U JPS6157665 U JP S6157665U
- Authority
- JP
- Japan
- Prior art keywords
- television receiver
- tuner
- filter
- amplifier circuit
- buffer amplifier
- 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
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Television Receiver Circuits (AREA)
Description
第１図は本考案に使用するバツフア増幅回路の
一実施例を示す図、第２図はその増幅特性を示す
図、第３図はＳＡＷフイルタを使用した一般的な
テレビジヨン受像機の概略構成を示す図、第４図
は受信バンド間のＩＦ利得差を示す図である。
Ｔｒ…バツフア増幅用トランジスタ、Ｄ…スイ
ツチング用ダイオード、Ｔｃ…制御端子。
Fig. 1 is a diagram showing one embodiment of the buffer amplifier circuit used in the present invention, Fig. 2 is a diagram showing its amplification characteristics, and Fig. 3 is a schematic configuration of a general television receiver using a SAW filter. FIG. 4 is a diagram showing the IF gain difference between reception bands. Tr...Buffer amplification transistor, D...Switching diode, Tc...Control terminal.
Claims (1)
Ｆ回路に導くようにしたテレビジヨン受像機に於
いて、前記ＳＡＷフイルタの前段に配置されたバ
ツフア増幅回路の増幅度を前記チユーナの受信バ
ンド又は受信チヤンネルに応じて切換えるように
したことを特徴とするテレビジヨン受像機。 The output of the tuner section is passed through the SAM filter.
The television receiver is characterized in that the amplification degree of the buffer amplifier circuit disposed before the SAW filter is switched according to the reception band or reception channel of the tuner. television receiver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14051684U JPS6157665U (en) | 1984-09-17 | 1984-09-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14051684U JPS6157665U (en) | 1984-09-17 | 1984-09-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6157665U true JPS6157665U (en) | 1986-04-18 |
Family
ID=30698871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14051684U Pending JPS6157665U (en) | 1984-09-17 | 1984-09-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6157665U (en) |
-
1984
- 1984-09-17 JP JP14051684U patent/JPS6157665U/ja active Pending