JPS58101523U - AGC device for pulse reception signals - Google Patents
AGC device for pulse reception signalsInfo
- Publication number
- JPS58101523U JPS58101523U JP19335181U JP19335181U JPS58101523U JP S58101523 U JPS58101523 U JP S58101523U JP 19335181 U JP19335181 U JP 19335181U JP 19335181 U JP19335181 U JP 19335181U JP S58101523 U JPS58101523 U JP S58101523U
- Authority
- JP
- Japan
- Prior art keywords
- output
- comparator
- reception signals
- time constant
- agc device
- 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
- 238000007599 discharging Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Control Of Amplification And Gain Control (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図は実施例のブロックダイヤグラム。第２図は作動
説明図。
１・・・・・・受信増巾器、２・・・・・・整流器、３
．４・・・・・・比較器、５・・・・・・エクスクル−
シブ・オア回路、６゜７・・・・・・アナログスイッチ
、８，９．１０・・・・・・ダイオード、１１・・・・
・・アナログスイッチ。FIG. 1 is a block diagram of an embodiment. FIG. 2 is an explanatory diagram of the operation. 1... Receiving amplifier, 2... Rectifier, 3
．． 4...Comparator, 5...Excl-
Sive-OR circuit, 6°7...analog switch, 8,9.10...diode, 11...
・Analog switch.
Claims (1)
号のレベルと、それぞれ高低に設定した２つのレベルと
を比較する２個の比較器３及び４と、該比較器３及び４
の出力が印加され、°両比較器のいづれかの出力が１で
、他の出力が０の関係にあるとき出力が得られる手段５
と、前記高いレベルの比較器３の出力だけを短い時定数
で充電せしめる手段と、前記低いレベルの比較器４の出
力だけを短い時定数で放電せしめる手段と、前記充放電
々圧を、長い時定数の充放電を行うように設定した電圧
と切換え、前記受信増巾器にＡＧＣ電圧として帰還せし
むる手段とを具備することを特徴とするパルス受信々号
用ＡＧＣ装置。Two comparators 3 and 4 that compare the level of the pulsed reception signal amplified and rectified by the reception amplifier with two levels set high and low, respectively, and the comparator 3 and 4
means 5 for obtaining an output when the output of one of the two comparators is 1 and the other output is 0;
means for charging only the high level output of the comparator 3 with a short time constant; means for discharging only the low level output of the comparator 4 with a short time constant; 1. An AGC device for pulse reception signals, comprising means for switching a voltage set to perform charging and discharging with a time constant and feeding it back to the reception amplifier as an AGC voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19335181U JPS58101523U (en) | 1981-12-28 | 1981-12-28 | AGC device for pulse reception signals |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19335181U JPS58101523U (en) | 1981-12-28 | 1981-12-28 | AGC device for pulse reception signals |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58101523U true JPS58101523U (en) | 1983-07-11 |
| JPS6344775Y2 JPS6344775Y2 (en) | 1988-11-21 |
Family
ID=30106715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19335181U Granted JPS58101523U (en) | 1981-12-28 | 1981-12-28 | AGC device for pulse reception signals |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58101523U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63204181A (en) * | 1987-02-18 | 1988-08-23 | Japan Radio Co Ltd | Automatic sensitivity adjustment method for fish finders |
-
1981
- 1981-12-28 JP JP19335181U patent/JPS58101523U/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63204181A (en) * | 1987-02-18 | 1988-08-23 | Japan Radio Co Ltd | Automatic sensitivity adjustment method for fish finders |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6344775Y2 (en) | 1988-11-21 |
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