R1, R2, R3,
R4 & R8: Low excess noise metal Film
C1, C2
& C3: Input and output coupling
C4 : Noise
filter, C5: bypass
NOTE: Input
Cable to microphone must be shielded
To provide continuous current sensing and limiting, this hot-swap circuit uses a PNP transistor and a current sense resistor of 0.333R. Wh...