用于低场NMR的低噪声前置放大器研制

李科言, 程鑫, 陈俊飞, 曹丽, 黄臻, 刘朝阳

Development of Low-noise Preamplifier for Low-field NMR

LI Keyan, CHENG Xin, CHEN Junfei, CAO Li, HUANG Zhen, LIU Chaoyang

图3 三种芯片的噪声度曲线. (a)东芝2SC3324；(b)安森美NSVF3007SG3；(c)安森美2SC5226A

Fig. 3 Noise characteristic curves of three chips. (a) Toshiba 2SC3324; (b) ON Semiconductor NSVF3007SG3; (c) ON Semiconductor 2SC5226A