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发明公开
CN104506153A 一种3He管中子探头信号快速成形处理电路 无效 - 撤回

一种3He管中子探头信号快速成形处理电路
摘要：
本发明公开了一种3He管中子探头信号快速成形处理电路，包括依次连接的三级放大电路，第一级放大电路包括一级放大器，其输入正端接电容，输入负端接一电阻后与一级放大器输出端间并联电容和电阻；一级放大器输出端分别接电容、电阻连接至第二级放大电路；第二级放大电路包括二级放大器，其输入正端接一电阻后经电容接地，二级放大器输入负端与二级放大器输出端间并联有电容和电阻；二级放大器输出端分别接电容、电阻连接至第三级放大电路；第三级放大电路包括三级放大器，其输入正端接一电阻后一端经电容接地，另一端接电阻后接电源；三级放大器输入负端与三级放大器输出端间并联二极管和电阻。其提高了信号采集与处理精度，减小了信号堆积及畸变。
摘要（英）：

The invention discloses a rapid forming processing circuit for a neutron probe of a 3He tube. The rapid forming processing circuit comprises three stages of amplifier circuits which are connected in sequence, wherein a first-stage amplifier circuit comprises a one-stage amplifier, the input positive terminal of the one-stage amplifier is connected to a capacitor, and after the input negative terminal of the one-stage amplifier is connected to a resistor, a capacitor and a resistor are connected between the input negative terminal of the one-stage amplifier and the output end of the one-stage amplifier in parallel; the output end of the one-stage amplifier is respectively connected to a capacitor and a resistor to a second-stage amplifier circuit; the second-stage amplifier circuit comprises a two-stage amplifier, the input positive terminal of the two-stage amplifier is connected to the ground through a capacitor after connected to a resistor, and a capacitor and a resistor are connected between the input negative terminal of the two-stage amplifier and the output end of the two-stage amplifier in parallel; the output end of the two-stage amplifier is respectively connected to a capacitor and a resistor to a third-stage amplifier circuit; a third-stage amplifier circuit comprises a three-stage amplifier, the input positive end of the three-stage amplifier is connected to the ground through a capacitor after connected to a resistor, and the other end of the three-stage amplifier is connected to a power supply after connected to a resistor; a diode and a resistor are connected between the input negative terminal of the three-stage amplifier and the output end of the three-stage amplifier in parallel. According to the rapid forming processing circuit, signal acquisition and processing precision is improved, and signal accumulation and distortion are reduced.

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