JPS6387921U - - Google Patents
Info
- Publication number
- JPS6387921U JPS6387921U JP18200286U JP18200286U JPS6387921U JP S6387921 U JPS6387921 U JP S6387921U JP 18200286 U JP18200286 U JP 18200286U JP 18200286 U JP18200286 U JP 18200286U JP S6387921 U JPS6387921 U JP S6387921U
- Authority
- JP
- Japan
- Prior art keywords
- frequency
- circuit
- drift
- oscillator
- correction circuit
- 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
- 230000010355 oscillation Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
Landscapes
- Superheterodyne Receivers (AREA)
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
Description
第１図は本考案の一実施例を示すブロツク図。
第２図は従来例の構成を示すブロツク図。 ４Ａ…局部発振器、６１…混合回路、６３…Ｆ
Ｍ検波回路、１１…発振器。
第２図は従来例の構成を示すブロツク図。 ４Ａ…局部発振器、６１…混合回路、６３…Ｆ
Ｍ検波回路、１１…発振器。
Claims (1)
- ＦＭ通信機の受信機における周波数ドリフト補
正回路であつて、選局用の局部発振器以外に自動
周波数制御信号にともなつて発振周波数が制御さ
れる発振器を設けると共に、中間周波段の途中に
周波数混合回路を設けて、前記発振器の発振出力
を前記周波数混合回路に供給して、前記周波数混
合回路に供給された中間周波信号を周波数変換し
、受信周波数のドリフトを補正することを特徴と
する周波数ドリフト補正回路。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18200286U JPS6387921U (ja) | 1986-11-28 | 1986-11-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18200286U JPS6387921U (ja) | 1986-11-28 | 1986-11-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6387921U true JPS6387921U (ja) | 1988-06-08 |
Family
ID=31127400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18200286U Pending JPS6387921U (ja) | 1986-11-28 | 1986-11-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6387921U (ja) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5119430A (en) * | 1974-08-09 | 1976-02-16 | Hitachi Electronics | Jushinkino shuhasuanteikahoshiki |
| JPS55121742A (en) * | 1979-03-14 | 1980-09-19 | Pioneer Electronic Corp | Pll frequency synthesizer tuner |
-
1986
- 1986-11-28 JP JP18200286U patent/JPS6387921U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5119430A (en) * | 1974-08-09 | 1976-02-16 | Hitachi Electronics | Jushinkino shuhasuanteikahoshiki |
| JPS55121742A (en) * | 1979-03-14 | 1980-09-19 | Pioneer Electronic Corp | Pll frequency synthesizer tuner |