R1, R2, R3,
R4 & R8 : Low excess noise metal Film
C1, C2
& C3 : Input and output coupling
C4 : Noise
filter, C5: by pass
NOTE: Input
Cable to microphone must be shielded
This ultra-precise current sense amplifier that can measure voltage drops across shunt resistor, R1 over a wide common mode range from 2....
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