目前,贴片场效应管由于具有输入阻抗大、噪声低、功耗低、热稳定性能好和抗辐射能力强等显著特点,在放大、有源网络等领域得到了广泛应用。3.贴片场效应管应用实例在工程技术中,由于贴片场效应管具有输入阻抗大(108～1012Ω)、噪声低、功耗低、热稳定性能好、抗辐射能力强等显著特点,因此在电子产品中得到了广泛的应用。本文结合贴片场效应管的实际应用介绍其 At present, the SMD FET has been widely used in the fields of amplification, active network and so on due to its remarkable characteristics of high input impedance, low noise, low power consumption, good thermal stability and strong radiation resistance. 3. Application examples of SMD FET In engineering technology, the SMD FET has significant features such as high input impedance (108 ~ 1012Ω), low noise, low power consumption, good thermal stability and strong radiation resistance. So in electronic products has been widely used. This article introduces the practical application of SMD FET