JPS58141681U - signal detection circuit - Google Patents
signal detection circuitInfo
- Publication number
- JPS58141681U JPS58141681U JP3720382U JP3720382U JPS58141681U JP S58141681 U JPS58141681 U JP S58141681U JP 3720382 U JP3720382 U JP 3720382U JP 3720382 U JP3720382 U JP 3720382U JP S58141681 U JPS58141681 U JP S58141681U
- Authority
- JP
- Japan
- Prior art keywords
- capacitor
- detection circuit
- circuit
- signal detection
- clamp
- 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
- Processing Of Color Television Signals (AREA)
- Manipulation Of Pulses (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図は従来の信号検出回路を示す接続図、第２図は本
考案に依る信号検出回路の原理構成を示す接続図、第３
図は本考案に依る信号検出回路の一実施例を示す接続図
、第４図は本考案の他の実施例を示す接続図である。
１・・・・・・電流信号源、２・・・・・・電流−電圧
変換回路、３・・・・・・電圧比較回路、１１・・・・
・・電流信号入力源、１２・・・・・・定電流源、１４
・・・・・・電圧比較回路、１５゜１６・・・・・・第
１、第２のクランプ回路、２１・・・・・・掛算回路、
２２．２３・・・・・・正相、逆相出力トランジスタ、
２５・・・・・・定電圧ダイオード、３３・・・・・・
基準□電圧源、４１・・・・・・位相反転検出回路、Ｃ
１ｌ・・・・・・電流−電圧変換用コンデンサ。FIG. 1 is a connection diagram showing a conventional signal detection circuit, FIG. 2 is a connection diagram showing the principle configuration of a signal detection circuit according to the present invention, and FIG.
The figure is a connection diagram showing one embodiment of the signal detection circuit according to the present invention, and FIG. 4 is a connection diagram showing another embodiment of the present invention. 1...Current signal source, 2...Current-voltage conversion circuit, 3...Voltage comparison circuit, 11...
...Current signal input source, 12... Constant current source, 14
...... Voltage comparison circuit, 15°16... First and second clamp circuits, 21... Multiplier circuit,
22.23... Positive phase, negative phase output transistor,
25... Constant voltage diode, 33...
Reference □Voltage source, 41... Phase reversal detection circuit, C
1l...Capacitor for current-voltage conversion.
Claims (1)
、このコンデンサに並列に接続された定電流源と、上記
コンデンサに接続されその端子電圧が上昇して行くとき
第１のクランプレベルにクランプする第１のクランプ回
路と、上記コンデンサに接続されその端子電圧が下降し
て行くとき第２のクランプレベルにクランプする第２の
クランプ回路と、上記端子電圧のレベルが所定値を越え
たとき検出出力を送出する電圧比較回路とを具えること
を特徴とする信号検出回路。A capacitor that charges the detected current signal of the current signal input source, a constant current source connected in parallel to this capacitor, and a constant current source that is connected to the capacitor and clamps to a first clamp level as the terminal voltage rises. a second clamp circuit that is connected to the capacitor and clamps it to a second clamp level when the terminal voltage falls; and a second clamp circuit that outputs a detection output when the level of the terminal voltage exceeds a predetermined value. A signal detection circuit comprising: a voltage comparison circuit for transmitting a signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3720382U JPS58141681U (en) | 1982-03-18 | 1982-03-18 | signal detection circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3720382U JPS58141681U (en) | 1982-03-18 | 1982-03-18 | signal detection circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58141681U true JPS58141681U (en) | 1983-09-24 |
| JPH0336152Y2 JPH0336152Y2 (en) | 1991-07-31 |
Family
ID=30048601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3720382U Granted JPS58141681U (en) | 1982-03-18 | 1982-03-18 | signal detection circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58141681U (en) |
-
1982
- 1982-03-18 JP JP3720382U patent/JPS58141681U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0336152Y2 (en) | 1991-07-31 |
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