Fig. 9From: Development of chopper-stabilized ASIC preamplifier for improving noise equivalent magnetic induction of search coil magnetometer probing space plasma wavesNEMI curves of the 5-cm SC connected to the chopper ASIC preamplifier (red line) and ASIC preamplifier (black line), calculation results (blue dashed line) for the chopper ASIC preamplifier, and typical spectral densities of plasma waves (gray areas)Back to article page