JPH0392849U - - Google Patents
Info
- Publication number
- JPH0392849U JPH0392849U JP1989152601U JP15260189U JPH0392849U JP H0392849 U JPH0392849 U JP H0392849U JP 1989152601 U JP1989152601 U JP 1989152601U JP 15260189 U JP15260189 U JP 15260189U JP H0392849 U JPH0392849 U JP H0392849U
- Authority
- JP
- Japan
- Prior art keywords
- external trigger
- capacitor
- input
- differential amplifier
- 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
- 238000001514 detection method Methods 0.000 claims description 4
- 239000003990 capacitor Substances 0.000 claims description 3
- 230000003321 amplification Effects 0.000 claims 1
- 238000003199 nucleic acid amplification method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Mobile Radio Communication Systems (AREA)
Description
第１図はこの考案の１つの実施例に係る外部ト
リガ検出回路の回路図、第２図乃至第５図は各々
第１図の外部トリガ検出回路に種類の異なる外部
トリガ信号が入力されたときの動作を示す波形図
である。
主な符号の説明、１４……差動増幅回路、２０
……整流回路、Ｃ１，Ｃ２……コンデンサ。
Fig. 1 is a circuit diagram of an external trigger detection circuit according to one embodiment of this invention, and Figs. 2 to 5 show respective cases when different types of external trigger signals are input to the external trigger detection circuit of Fig. 1. FIG. 2 is a waveform chart showing the operation of FIG. Explanation of main symbols, 14...Differential amplifier circuit, 20
... Rectifier circuit, C1, C2 ... Capacitor.
Claims (1)
リガ入力端子と、 外部トリガ入力端子に入力された第１入力信号
と第２入力信号を各々コンデンサを介して入力し
、差動増幅する差動増幅回路と、 差動増幅回路の出力を整流して直流成分に変換
する整流回路と、 を備えたことを特徴とする外部トリガ検出回路。 (2) コンデンサをＢＰＦに替えたことを特徴と
する請求項１記載の外部トリガ検出回路。[Scope of Claim for Utility Model Registration] (1) An external trigger input terminal for inputting an external trigger signal in a balanced manner, and a first input signal and a second input signal input to the external trigger input terminal each inputted through a capacitor, An external trigger detection circuit comprising: a differential amplifier circuit that performs differential amplification; and a rectifier circuit that rectifies the output of the differential amplifier circuit and converts it into a DC component. (2) The external trigger detection circuit according to claim 1, characterized in that the capacitor is replaced with a BPF.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989152601U JPH073707Y2 (en) | 1989-12-31 | 1989-12-31 | External trigger detection circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989152601U JPH073707Y2 (en) | 1989-12-31 | 1989-12-31 | External trigger detection circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0392849U true JPH0392849U (en) | 1991-09-20 |
| JPH073707Y2 JPH073707Y2 (en) | 1995-01-30 |
Family
ID=31698854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989152601U Expired - Lifetime JPH073707Y2 (en) | 1989-12-31 | 1989-12-31 | External trigger detection circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH073707Y2 (en) |
-
1989
- 1989-12-31 JP JP1989152601U patent/JPH073707Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH073707Y2 (en) | 1995-01-30 |
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