JPS619915U - Mass spectrometer detection amplifier - Google Patents
Mass spectrometer detection amplifierInfo
- Publication number
- JPS619915U JPS619915U JP9309584U JP9309584U JPS619915U JP S619915 U JPS619915 U JP S619915U JP 9309584 U JP9309584 U JP 9309584U JP 9309584 U JP9309584 U JP 9309584U JP S619915 U JPS619915 U JP S619915U
- Authority
- JP
- Japan
- Prior art keywords
- output
- voltage
- mass spectrometer
- detection amplifier
- current
- 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
- 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図は本考案の一実施例を示す電気的構成図、第2図
は従来回路例を示す図、第3図は本考案の各部の動作波
形を示す図、第4図は本考案の他の実施例を示す電気的
構成図である。
1・・・電流電圧変換器、2・・・レベル変換回路、3
・・・増幅回路、U= U1− U2,U3・・・演算
増幅器、R1〜R3t Rs, R11〜R16,R2
、〜R23・・・抵抗、SW,SW′・・・アナログス
イッチ、C1,C2・・・比較器、M1,M2・・・単
安定マルチバイブレータ、F・・・フリツプフロツプ、
T1・・・入力端子、T2・・・出力端子。Fig. 1 is an electrical configuration diagram showing an embodiment of the present invention, Fig. 2 is a diagram showing an example of a conventional circuit, Fig. 3 is a diagram showing operating waveforms of each part of the present invention, and Fig. 4 is a diagram showing an example of a conventional circuit. FIG. 7 is an electrical configuration diagram showing another embodiment. 1... Current voltage converter, 2... Level conversion circuit, 3
... Amplification circuit, U = U1- U2, U3 ... Operational amplifier, R1 to R3t Rs, R11 to R16, R2
, ~R23... Resistor, SW, SW'... Analog switch, C1, C2... Comparator, M1, M2... Monostable multivibrator, F... Flip-flop,
T1...input terminal, T2...output terminal.
Claims (1)
電流電圧変換器と、該電流電圧変換器の出力電圧を切換
手段により複数段階の電圧レベルに変換するレベル変換
回路と、前記電流電圧変換器の出力を第1及び第2の基
準電圧と比較してそれぞれ第1出力及び第2出力を得る
比較回路と、該比較回路の第1出力でセツ外され第2出
力でリセットされるフリツプフロツプとて構成され、該
フリツプフロツプ出力で前記レベル変換回路の電圧変換
比を切り換えると共に、該レベル変換回路の出力をその
出力とするように構成したことを特徴とする質量分析装
置の検出用増幅器。a current-voltage converter that receives an output current of a secondary electron multiplier and converts it into a voltage signal; a level conversion circuit that converts the output voltage of the current-voltage converter into a plurality of voltage levels by a switching means; a comparator circuit that compares the output of the voltage converter with first and second reference voltages to obtain a first output and a second output, respectively; and a comparator circuit that is set by the first output and reset by the second output. 1. A detection amplifier for a mass spectrometer, characterized in that it is configured as a flip-flop, and is configured to switch the voltage conversion ratio of the level conversion circuit using the output of the flip-flop, and to use the output of the level conversion circuit as its output.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9309584U JPS619915U (en) | 1984-06-21 | 1984-06-21 | Mass spectrometer detection amplifier |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9309584U JPS619915U (en) | 1984-06-21 | 1984-06-21 | Mass spectrometer detection amplifier |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS619915U true JPS619915U (en) | 1986-01-21 |
Family
ID=30650464
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9309584U Pending JPS619915U (en) | 1984-06-21 | 1984-06-21 | Mass spectrometer detection amplifier |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS619915U (en) |
-
1984
- 1984-06-21 JP JP9309584U patent/JPS619915U/en active Pending
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS619915U (en) | Mass spectrometer detection amplifier | |
JPS60114443U (en) | Analog-digital converter | |
JPS628726U (en) | ||
JPS5859236U (en) | Analog to digital converter | |
JPS6340034U (en) | ||
JPH0225878U (en) | ||
JPS60101836U (en) | Analog-digital conversion circuit | |
JPS59155559U (en) | Waveform data acquisition device | |
JPS5873648U (en) | analog digital converter | |
JPS58105100U (en) | Sampling hold circuit | |
JPS61107236U (en) | ||
JPH01151625U (en) | ||
JPS60169800U (en) | Sample/hold circuit | |
JPS60127040U (en) | Unadjusted A/D converter | |
JPS6087041U (en) | digitizing integrator | |
JPS5859238U (en) | Analog to digital converter | |
JPS6189897U (en) | ||
JPS63193366U (en) | ||
JPS58119241U (en) | A/D conversion circuit | |
JPS61147460U (en) | ||
JPS5899933U (en) | Analog to digital converter | |
JPS6429926U (en) | ||
JPS5823431U (en) | Integrator with non-contact reset circuit | |
JPH0358034U (en) | ||
JPH01151627U (en) |