介绍一种由电荷灵敏前置放大器、主放大器、甄别器、成形电路所组成的一体化电路。该仪器主要用于高计数测量中,最高计数率可达106/s,它主要适应于高灵敏度的3He中子探测器,同时也可以用于其他重离子探测器,该仪器的输出脉冲可直接与CMOS或TTL逻辑电平兼容。它有功耗低,体积小,灵敏度高,便于野外使用等特点。 Describes a charge-sensitive preamplifier, main amplifier, discriminator, forming the circuit formed by the integrated circuit. The instrument is mainly used for high count measurement, the maximum count rate of up to 106 / s, it is mainly suitable for high sensitivity 3He neutron detector, but also can be used for other heavy ion detectors, the instrument output pulse can be directly Compatible with CMOS or TTL logic levels. It has low power consumption, small size, high sensitivity, easy to use outdoor features.