JPS5813749U - AM receiver - Google Patents
AM receiverInfo
- Publication number
- JPS5813749U JPS5813749U JP10699481U JP10699481U JPS5813749U JP S5813749 U JPS5813749 U JP S5813749U JP 10699481 U JP10699481 U JP 10699481U JP 10699481 U JP10699481 U JP 10699481U JP S5813749 U JPS5813749 U JP S5813749U
- Authority
- JP
- Japan
- Prior art keywords
- receiver
- phase
- locked loop
- predetermined voltage
- loop 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.)
- Granted
Links
Landscapes
- Circuits Of Receivers In General (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図は各種の電波型式のＡＭ波の説明に供するための
線図、第２図及び第３図は従来のＡＭ受信機の一例を示
す構成図、第４図は本考案の一実施例を示す構成図であ
る。
２０は位相ロックループ（ＰＬＬ）回路、２４はスイッ
チ回路、２５は基準電源である。Figure 1 is a diagram for explaining AM waves of various radio wave types, Figures 2 and 3 are block diagrams showing an example of a conventional AM receiver, and Figure 4 is an example of an embodiment of the present invention. FIG. 20 is a phase locked loop (PLL) circuit, 24 is a switch circuit, and 25 is a reference power source.
Claims (1)
て検波を行うＡＭ受信機において、上記位相ロックルー
プ回路の制御信号を切換えるスイッチ回路と、上記制御
信号として所定電圧を発生する基準電源とを備え、上記
ＡＭ波に搬送波が無い時は上記基準電源からの所定電圧
を上記位相ロックループ回路の発振器に供給し、該所定
電圧に対応した一定の周波数を発振させるようにしたこ
とを特徴とするＡＭ受信機。An AM receiver that has a phase-locked loop circuit and performs detection in synchronization with a carrier wave of an AM wave, a switch circuit that switches a control signal of the phase-locked loop circuit, a reference power source that generates a predetermined voltage as the control signal; characterized in that when the AM wave has no carrier wave, a predetermined voltage from the reference power source is supplied to the oscillator of the phase-locked loop circuit to oscillate at a constant frequency corresponding to the predetermined voltage. AM receiver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10699481U JPS5813749U (en) | 1981-07-17 | 1981-07-17 | AM receiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10699481U JPS5813749U (en) | 1981-07-17 | 1981-07-17 | AM receiver |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5813749U true JPS5813749U (en) | 1983-01-28 |
| JPS6236368Y2 JPS6236368Y2 (en) | 1987-09-16 |
Family
ID=29901443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10699481U Granted JPS5813749U (en) | 1981-07-17 | 1981-07-17 | AM receiver |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5813749U (en) |
-
1981
- 1981-07-17 JP JP10699481U patent/JPS5813749U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6236368Y2 (en) | 1987-09-16 |
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