This paper introduces the preamplifier of ventricular late potentials,and give out testing instance and performance parameters,experiment results show that this preamplifier is viable and reliable.

• 本文主要介绍了一种心室晚电位前置放大电路,给出了测试情况和达到的技术性能指标,实验结果表明了该放大电路的可行性和可靠性。