range integrator

In this paper, the circuit for getting rid of 90 °& 180 ° impulse from Spn Echo Spectrometer is designed, The circuit apply to detect weak Spin Echo Signal together with Boxcar Integrator and Spin Echo Spectrometer, and improved dynamic range greatly.

设计了除去自旋回波谱仪输出的90°脉冲信号电路，该电路的设计可实现利用Boxcar积分器和自旋回波谱仪测量微弱的自旋回波信号，较大地提高Boxcar积分器的输入动态范围。

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