Portable Mic Pre-amp 2 transistor using BC549C, BC547B
Posts tagged Low noise transistors for electret mic
Op-Amp Microphone Pream
Op-Amp Microphone Pream using NE5534 IC
Low Power Quad Operational Amplifier
Low Power Quad Operational Amplifier using LM124, LM224, LM324, LM2902 Low Power Quad Operational Amplifier using LM124, LM224, LM324, LM2902 Description The LM124 series consist of four independent, high gain, internally frequency compensated operational amplifiers Features supply to 32V or dual supplies 15V to 16V
stk Audio Amplifier scheme
stk Audio Amplifier scheme 30W Audio Amplifier Circuit using STK1030
Inverter circuit using CD4047
Inverter circuit using CD4047 12V DC to 220V 100W Inverter
Audio Selector Circuit
Audio Selector Circuit