Monday, May 30, 2016

Microphone Pre-amp

Low Noise Microphone Preamplifier Circuit


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

Low power Pushbutton ON/OFF Controller solution from Linear Technology

  All of the flexible timing circuitry required to debounce the on/off pushbutton is integrated within the LTC2950. For applications that ne...