JPS5929840U - FM/AM receiver - Google Patents
FM/AM receiverInfo
- Publication number
- JPS5929840U JPS5929840U JP12496082U JP12496082U JPS5929840U JP S5929840 U JPS5929840 U JP S5929840U JP 12496082 U JP12496082 U JP 12496082U JP 12496082 U JP12496082 U JP 12496082U JP S5929840 U JPS5929840 U JP S5929840U
- Authority
- JP
- Japan
- Prior art keywords
- receiver
- local oscillator
- minimum step
- microcomputer
- synthesizer
- 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
Landscapes
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
- Superheterodyne Receivers (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案に使用するシンセサイザーチューナの構
成を示すブ町ツク図、第２図及び第３図は第１図の局発
４の周波数アップを行う際の動作説明図である。
１・・・・・・受信アンテナ、２・・・・・・ＲＦ受信
部、３・・・・・・混合部、４・・・・・・局発、５・
・・・・・マイコンに制御されているＰＬＬ部、６・・
・・・・ＩＦ部、７・・・・・・検波部、８・・・・・
・アップスイッチ、９・・・・・・ダウンスイッチ、１
０・・・・・・早送りスイッチ。FIG. 1 is a block diagram showing the configuration of a synthesizer tuner used in the present invention, and FIGS. 2 and 3 are explanatory diagrams of the operation when increasing the frequency of the local oscillator 4 shown in FIG. 1. DESCRIPTION OF SYMBOLS 1... Receiving antenna, 2... RF receiving section, 3... Mixing section, 4... Local oscillator, 5...
... PLL section controlled by a microcomputer, 6...
...IF section, 7...Detection section, 8...
・Up switch, 9... Down switch, 1
0...Fast forward switch.
Claims (1)
マイコンに制御されるＰＬＬ部と局発とを有し、局発の
変化ステップをその最小ステップの数倍（例えは１０倍
）の速さで粗調を行う手段と、粗調を行った後に上記最
小ステップで微調を行う手段とを有することを特徴とす
るＦＭ−ＡＭ受信機。In an FM-AM receiver using one type of synthesizer,
It has a PLL section and a local oscillator controlled by a microcomputer, and means for coarsely adjusting the change step of the local oscillator at a speed several times (for example, 10 times) the minimum step, and An FM-AM receiver comprising means for performing fine adjustment in the minimum step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12496082U JPS5929840U (en) | 1982-08-20 | 1982-08-20 | FM/AM receiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12496082U JPS5929840U (en) | 1982-08-20 | 1982-08-20 | FM/AM receiver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5929840U true JPS5929840U (en) | 1984-02-24 |
Family
ID=30284684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12496082U Pending JPS5929840U (en) | 1982-08-20 | 1982-08-20 | FM/AM receiver |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5929840U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63311813A (en) * | 1987-06-15 | 1988-12-20 | Sony Corp | Synthesizer receiver |
-
1982
- 1982-08-20 JP JP12496082U patent/JPS5929840U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63311813A (en) * | 1987-06-15 | 1988-12-20 | Sony Corp | Synthesizer receiver |
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