JPS6232648U - - Google Patents
Info
- Publication number
- JPS6232648U JPS6232648U JP12483485U JP12483485U JPS6232648U JP S6232648 U JPS6232648 U JP S6232648U JP 12483485 U JP12483485 U JP 12483485U JP 12483485 U JP12483485 U JP 12483485U JP S6232648 U JPS6232648 U JP S6232648U
- Authority
- JP
- Japan
- Prior art keywords
- controlled oscillator
- voltage controlled
- antenna
- microphone
- selectively supplying
- 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
- 238000010586 diagram Methods 0.000 description 3
- 230000010355 oscillation Effects 0.000 description 1
Landscapes
- Transceivers (AREA)
Description
第１図は本考案の一実施例を示す構成図、第２
図は第１図におけるＶＣＯの一例の回路図、第３
図はＦＭチユーナの受信帯域とＶＣＯの局発帯域
との関係を示す図である。
主要部分の符号の説明、２……切換スイツチ、
４……ミキサ、５……ＰＬＬ回路、６……コント
ローラ、９……マイク端子、１０……マロクロホ
ン、５０……ＶＣＯ、５２……プログラマブル分
周器、Ｐ１……制御端子、Ｐ２……変調入力端子
。
Fig. 1 is a configuration diagram showing one embodiment of the present invention;
The figure is a circuit diagram of an example of the VCO in Figure 1, and
The figure is a diagram showing the relationship between the reception band of the FM tuner and the local oscillation band of the VCO. Explanation of symbols of main parts, 2...changeover switch,
4...Mixer, 5...PLL circuit, 6...Controller, 9...Microphone terminal, 10...Marochron, 50...VCO, 52...Programmable frequency divider, P1...Control terminal, P2...Modulation Input terminal.
Claims (1)
Ｌシンセサイザ方式ＦＭチユーナであつて、マイ
クロホンが選択的に接続されるマイク端子と、ア
ンテナからの受信入力の混合器への供給と前記電
圧制御発振器の出力の前記アンテナへの供給とを
選択的に切り換える切換手段とを備え、前記電圧
制御発振器はＦＭ変調回路構成のものであつて、
その変調入力端が前記マイク端子に接続されてい
ることを特徴とするＰＬＬシンセサイザ方式ＦＭ
チユーナ。 PL with PLL circuit including voltage controlled oscillator
The L-synthesizer type FM tuner includes a microphone terminal to which a microphone is selectively connected, selectively supplying a reception input from an antenna to a mixer, and selectively supplying an output of the voltage controlled oscillator to the antenna. and a switching means for switching, the voltage controlled oscillator having an FM modulation circuit configuration,
A PLL synthesizer type FM characterized in that its modulation input end is connected to the microphone terminal.
Chiyuna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12483485U JPS6232648U (en) | 1985-08-13 | 1985-08-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12483485U JPS6232648U (en) | 1985-08-13 | 1985-08-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6232648U true JPS6232648U (en) | 1987-02-26 |
Family
ID=31017207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12483485U Pending JPS6232648U (en) | 1985-08-13 | 1985-08-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6232648U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5875332A (en) * | 1981-10-30 | 1983-05-07 | Clarion Co Ltd | Radio transmitter |
-
1985
- 1985-08-13 JP JP12483485U patent/JPS6232648U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5875332A (en) * | 1981-10-30 | 1983-05-07 | Clarion Co Ltd | Radio transmitter |