JPS6320677U - - Google Patents
Info
- Publication number
- JPS6320677U JPS6320677U JP1986111592U JP11159286U JPS6320677U JP S6320677 U JPS6320677 U JP S6320677U JP 1986111592 U JP1986111592 U JP 1986111592U JP 11159286 U JP11159286 U JP 11159286U JP S6320677 U JPS6320677 U JP S6320677U
- Authority
- JP
- Japan
- Prior art keywords
- modulator
- antenna switch
- control signal
- controlling
- 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.)
- Granted
Links
- 230000005236 sound signal Effects 0.000 claims description 2
- 239000000758 substrate Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 230000010355 oscillation Effects 0.000 description 1
Description
第１図はこの考案の一実施例の接続図、第２図
はアンテナスイツチドライブ回路の一例の接続図
、第３図は従来のＲＦモジユレータユニツトの説
明に用いる接続図である。
図面における主要な符号の説明、１：ＲＦモジ
ユレータ用ＩＣ、２：電源電圧供給端子、３：ビ
デオ信号供給端子、４：オーデイオ信号供給端子
、５：コントロール信号供給端子、８：ミキサー
、９：局部発振回路、１０：ＲＦ信号の出力端子
、１４：アンテナスイツチドライブ回路、２１：
アンテナスイツチ。
FIG. 1 is a connection diagram of an embodiment of this invention, FIG. 2 is a connection diagram of an example of an antenna switch drive circuit, and FIG. 3 is a connection diagram used to explain a conventional RF modulator unit. Explanation of main symbols in the drawings: 1: RF modulator IC, 2: Power supply voltage supply terminal, 3: Video signal supply terminal, 4: Audio signal supply terminal, 5: Control signal supply terminal, 8: Mixer, 9: Local Oscillation circuit, 10: RF signal output terminal, 14: Antenna switch drive circuit, 21:
antenna switch.
Claims (1)
ネルのＲＦ信号に変換するためのＲＦモジユレー
タと、 上記ＲＦモジユレータの動作／不動作を外部か
らのコントロール信号により制御する手段と、 電源電圧が供給され、上記コントロール信号に
よりアンテナスイツチを制御するドライブ信号を
発生するアンテナスイツチドライブ回路と が共通の基板上に設けられたことを特徴とするＲ
Ｆモジユレータ用ＩＣ。[Claims for Utility Model Registration] An RF modulator for converting video signals and audio signals into RF signals of predetermined channels; means for controlling the operation/non-operation of the RF modulator by an external control signal; and a power source. R characterized in that an antenna switch drive circuit to which a voltage is supplied and which generates a drive signal for controlling the antenna switch using the control signal is provided on a common substrate.
IC for F modulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986111592U JPH0514618Y2 (en) | 1986-07-21 | 1986-07-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986111592U JPH0514618Y2 (en) | 1986-07-21 | 1986-07-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6320677U true JPS6320677U (en) | 1988-02-10 |
| JPH0514618Y2 JPH0514618Y2 (en) | 1993-04-19 |
Family
ID=30991657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986111592U Expired - Lifetime JPH0514618Y2 (en) | 1986-07-21 | 1986-07-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0514618Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5817695U (en) * | 1981-07-29 | 1983-02-03 | 日本電気ホームエレクトロニクス株式会社 | Television signal transmitter |
| JPS6184975A (en) * | 1984-10-03 | 1986-04-30 | Sony Corp | Modulator |
-
1986
- 1986-07-21 JP JP1986111592U patent/JPH0514618Y2/ja not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5817695U (en) * | 1981-07-29 | 1983-02-03 | 日本電気ホームエレクトロニクス株式会社 | Television signal transmitter |
| JPS6184975A (en) * | 1984-10-03 | 1986-04-30 | Sony Corp | Modulator |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0514618Y2 (en) | 1993-04-19 |
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