JPS615031U - signal detection circuit - Google Patents
signal detection circuitInfo
- Publication number
- JPS615031U JPS615031U JP8866484U JP8866484U JPS615031U JP S615031 U JPS615031 U JP S615031U JP 8866484 U JP8866484 U JP 8866484U JP 8866484 U JP8866484 U JP 8866484U JP S615031 U JPS615031 U JP S615031U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- detection circuit
- signal detection
- amplitude comparator
- compares
- 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
- Picture Signal Circuits (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ブロック図、第２図
は第１図におけや−各部の波形を示す波形図、第３−は
この考案の一実施例を示すブロック図、第４図は第３図
における各部の波形を示す波形図である。
４・・・積分回路、８・・・第１の振幅比較器、５・・
・第２の振幅比較器。Fig. 1 is a block diagram showing a conventional signal detection circuit, Fig. 2 is a waveform diagram showing waveforms of various parts in Fig. 1, Fig. 3 is a block diagram showing an embodiment of this invention, and Fig. 4 The figure is a waveform diagram showing the waveforms of each part in FIG. 3. 4... Integrating circuit, 8... First amplitude comparator, 5...
- Second amplitude comparator.
Claims (1)
信号検出回路において、入力信号を第１の基準電圧と比
較し信号の有無を所定の信号対雑音比で検出する第１の
振幅比較器と、この第１の振幅比較器の出力を一定期間
積分する積分回路と、この積分回路の出力電圧を第２の
基準電圧と比較する第２の振幅比較器とを備えたことを
特徴とする信号検出回路。In a signal detection circuit that determines the presence or absence of a signal containing noise using a predetermined signal-to-noise ratio, a first amplitude comparison that compares an input signal with a first reference voltage and detects the presence or absence of a signal using a predetermined signal-to-noise ratio. the first amplitude comparator, an integrating circuit that integrates the output of the first amplitude comparator for a certain period of time, and a second amplitude comparator that compares the output voltage of the integrating circuit with a second reference voltage. signal detection circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8866484U JPS615031U (en) | 1984-06-12 | 1984-06-12 | signal detection circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8866484U JPS615031U (en) | 1984-06-12 | 1984-06-12 | signal detection circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS615031U true JPS615031U (en) | 1986-01-13 |
Family
ID=30642014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8866484U Pending JPS615031U (en) | 1984-06-12 | 1984-06-12 | signal detection circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS615031U (en) |
-
1984
- 1984-06-12 JP JP8866484U patent/JPS615031U/en active Pending
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