Portable Mic Pre-amp 2 transistor using BC549C, BC547B
Posts tagged Simple Microphone Preamp with AGC
Power compo audio circuit
Power compo audio circuit using LM1875
Creating 125KHZ oscillator
Creating 125KHZ oscillator This circuit is similar to CMOS INVERTERS FORM 125KHZ oscillator but adds more invertors in parallel to provide greater power.
HD Receiver Block Diagram
HD Receiver Block Diagram of Didital Typical av Receiver
Led circuit – Power Supply
Led circuit – Power Supply Led circuit for the Power Supply using BD139 Power Supply circuit – 16VAC x 2 (ct) to 39v using ZD30v Led circuit for the Power Supply The size of the LED and resistor to supply some tips on supply, and of course will provide many details about the LED driver […]
