JPS5847174U - Electric field strength detection circuit - Google Patents
Electric field strength detection circuitInfo
- Publication number
- JPS5847174U JPS5847174U JP1981140716U JP14071681U JPS5847174U JP S5847174 U JPS5847174 U JP S5847174U JP 1981140716 U JP1981140716 U JP 1981140716U JP 14071681 U JP14071681 U JP 14071681U JP S5847174 U JPS5847174 U JP S5847174U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- intermediate frequency
- electric field
- field strength
- detection 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
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
図は本考案の電界強度検出回路の一実施例を示す回路系
統図である。
２・・・・・・混合回路、３・・・・・・狭帯域中間周
波数回路、４・・・・・・広帯域中間周波数回路、８・
・・・・・検波回路、１０・・・・・・レベル検知器、
１１・・・・・・Ａ／Ｄ変換器、１２・・・・・・デイ
ジタルユーニングシステムコントローラ（ＤＴＳコント
ローラ）、１５．１６・・・・・・ゲー）回路、１９．
２０・・・・・・フリップフロップ。The figure is a circuit system diagram showing one embodiment of the electric field strength detection circuit of the present invention. 2...Mixing circuit, 3...Narrowband intermediate frequency circuit, 4...Broadband intermediate frequency circuit, 8...
...Detection circuit, 10...Level detector,
11...A/D converter, 12...Digital Uniting System Controller (DTS controller), 15.16...Game) circuit, 19.
20...Flip-flop.
Claims (1)
、該雨中間周波数回路のいずれか一方に選択的に中間周
波数信号を供給する切換回路を設けてなる無線受信機に
おいて、該広帯域中間周波数回路又は狭帯域中間周波数
回路を通過した信号のレベルを検出して電界強度を検出
する回路と、電界強度検出時に該雨中間周波数回路のう
ち所定の−の中間周波数回路に該中間周波数信号を供給
する様該切換回路を制御する回路とを設けてなる電界強
度検出回路。A radio receiver comprising a wideband intermediate frequency circuit and a narrowband intermediate frequency circuit, and a switching circuit that selectively supplies an intermediate frequency signal to either one of the intermediate frequency circuits. A circuit for detecting the electric field strength by detecting the level of the signal passing through the band intermediate frequency circuit, and a circuit for supplying the intermediate frequency signal to a predetermined negative intermediate frequency circuit of the rain intermediate frequency circuits when detecting the electric field strength. An electric field strength detection circuit comprising a circuit for controlling a switching circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1981140716U JPS5847174U (en) | 1981-09-22 | 1981-09-22 | Electric field strength detection circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1981140716U JPS5847174U (en) | 1981-09-22 | 1981-09-22 | Electric field strength detection circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5847174U true JPS5847174U (en) | 1983-03-30 |
| JPS6238354Y2 JPS6238354Y2 (en) | 1987-09-30 |
Family
ID=29933862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1981140716U Granted JPS5847174U (en) | 1981-09-22 | 1981-09-22 | Electric field strength detection circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5847174U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59175182U (en) * | 1983-05-09 | 1984-11-22 | デイエツクスアンテナ株式会社 | Electric field strength measuring device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5437618A (en) * | 1977-08-31 | 1979-03-20 | Sony Corp | Receiver |
| JPS55118235A (en) * | 1979-03-07 | 1980-09-11 | Trio Kenwood Corp | Automatic selection method of intermediate frequency band width |
-
1981
- 1981-09-22 JP JP1981140716U patent/JPS5847174U/en active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5437618A (en) * | 1977-08-31 | 1979-03-20 | Sony Corp | Receiver |
| JPS55118235A (en) * | 1979-03-07 | 1980-09-11 | Trio Kenwood Corp | Automatic selection method of intermediate frequency band width |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59175182U (en) * | 1983-05-09 | 1984-11-22 | デイエツクスアンテナ株式会社 | Electric field strength measuring device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6238354Y2 (en) | 1987-09-30 |
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