Portable Mic Pre-amp 2 transistor using BC549C, BC547B
Posts tagged Simple Microphone Preamp with AGC
Op-Amp Microphone Pream
Op-Amp Microphone Pream using NE5534 IC
NOISE REDUCTION PROCESSOR
NOISE REDUCTION PROCESSOR DOLBY NOISE REDUCTION PROCESSOR circuit using KA22712 DOLBY B-TYPE NOISE REDUCTION PROCESSOR The KA22712 is a monolithic integrated circuit designed for in Dolby* B-type noise reduction systems. FEATURES Few external components. Low quiescent circuit current (Typ Iccq=4.5mA) High crosstalk rejection ratio. Built in NR-switch, REC/PB-switch. Recommended supply voltage: Vcc=6.5V~16V. DOLBY NOISE REDUCTION […]
op amp circuit
op amp circuit using IC TL074, TL084, LM324 Stereo Gigabass circuit using IC TL074, TL084, LM324 Stereo Gigabass circuit using IC TL074, TL084, LM324
RF Detector circuit using 2n5484
RF Detector circuit using 2n5484
Bass power amp
Bass power amp using MJL4281, BD139, BC559
